| Patent |
Priority |
Assignee |
Title |
| 1086975, |
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| 1166312, |
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| 1564490, |
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| 1574123, |
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| 1596165, |
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| 1693852, |
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| 1751272, |
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| 1776999, |
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| 1982730, |
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| 2038205, |
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| 2313363, |
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| 2457368, |
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| 2517432, |
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| 2570384, |
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| 2682093, |
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| 2882689, |
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| 3013321, |
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| 3204316, |
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| 3425105, |
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| 3530553, |
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| 3669402, |
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| 3694128, |
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| 3731899, |
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| 3795721, |
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| 3809049, |
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| 3918877, |
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| 3940229, |
Feb 22 1974 |
Columbia Machine, Inc. |
Apparatus for manufacturing rough faced bricks |
| 3981953, |
Jul 04 1973 |
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Method for casting blocks having fractured face |
| 4050864, |
Sep 03 1975 |
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Apparatus for manufacturing concrete panels with surface pattern decorations |
| 4063866, |
May 03 1976 |
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Concrete block forming and facing machine |
| 415773, |
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| 4178340, |
Jun 26 1978 |
A B C Concrete Products |
Method and apparatus for making concrete brick having antique appearance |
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Sep 05 1975 |
Solai Vignola di Faviani Orlando ec Societa |
Slip form for building components |
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Jun 30 1986 |
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Method for manufacturing a building block imitating a pile of dry stones |
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Jul 13 1987 |
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Compaction device for concrete block molding machine |
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Jun 05 1987 |
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Apparatus for fabrication of concrete brick |
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Jan 24 1983 |
SVANHOLM LICENSING AG |
Process and plant for manufacture of aerated concrete |
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Feb 04 1985 |
National Concrete Masonry Association |
Biaxial concrete masonry casting apparatus |
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Jul 08 1987 |
Koninklijke Mosa B.V. |
Apparatus for producing a set of mutually distinguishable flooring tiles |
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May 31 1990 |
SOFTSPLIT TECHNOLOGY, INC |
Method for forming an irregular surface block |
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Nov 07 1989 |
HEDRICK CONCRETE PRODUCTS CORP |
Method for making antiqued concrete cored bricks and capping bricks |
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Apr 30 1991 |
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Molding process for forming a concrete paving block |
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Dec 17 1991 |
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Method and apparatus for manufacturing concrete panels by continuous pressing |
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May 15 1991 |
THE EUCLID CHEMICAL COMPANY |
Method for producing replicated paving stone |
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Aug 20 1993 |
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Artificial scenic rock and its manufacturing method |
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Oct 25 1993 |
Allan Block Corporation |
Method of forming concrete retaining wall block |
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Mar 24 1992 |
Toyoko Giken Co., Ltd.; Nikko Chemical Institute Inc. |
Process for coloring concrete |
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Dec 20 1994 |
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Cast concrete block and method of making same |
| 5651912, |
Sep 20 1994 |
JSP Corporation |
Decorative mold for forming concrete surface with uneven pattern |
| 5735094, |
Jan 03 1994 |
EUCLID CHEMICAL COMPANY, THE |
Method for producing an ornamental concrete surface |
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Dec 07 1992 |
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Continuous building materials moulding device |
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Sep 19 1996 |
WILMINGTON TRUST, NATIONAL ASSOCIATION |
Modular block retaining wall system |
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Sep 27 1989 |
Anchor Wall Systems, Inc. |
Composite masonry block |
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Jun 11 1999 |
ANCHOR WALL SYSTEMS, INC |
Block splitter assembly |
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Jun 14 2006 |
OLDCASTLE BUILDING PRODUCTS CANADA, INC |
Concrete block system |
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Jan 30 2009 |
ANCHOR WALL SYSTEMS, INC |
Wall blocks, wall block kits, walls resulting therefrom, and methods |
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| 838278, |
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| 20287, |
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| 21522, |
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| D317048, |
May 14 1986 |
KEYSTONE RETAINING WALL SYSTEMS, INC , 7600 FRANCE AVE , SOUTH, EDINA, MN 55435, A CORP OF MN |
Wall block |
| D317209, |
May 14 1986 |
KEYSTONE RETAINING WALL SYSTEMS, INC , 7600 FRANCE AVE , SOUTH, EDINA, MN 55435, A CORP OF MN |
Corner wall block |
| D319885, |
Sep 02 1988 |
Kiltie Corporation |
Retaining wall block |
| D321060, |
Nov 07 1988 |
Kiltie Corporation |
Retaining wall block |
| D341215, |
Dec 06 1991 |
Kiltie Corporation; KILTIE CORPORATION A CORP OF MN |
Retaining wall block |
| D387431, |
Feb 22 1996 |
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Hollow construction block |
| D429004, |
Aug 04 1994 |
Handy-Stone Corporation |
Retaining wall block |
| D431656, |
Oct 08 1998 |
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Facade for a building block |
| D435304, |
Mar 19 1998 |
ANCHOR WALL SYSTEMS, INC |
Retaining wall block design |
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Aug 17 1999 |
ANCHOR WALL SYSTEMS, INC |
Face of a retaining wall block |
| D438640, |
Aug 17 1999 |
ANCHOR WALL SYSTEMS, INC |
Face of a retaining wall block |
| D445512, |
Oct 27 1997 |
ANCHOR WALL SYSTEMS, INC |
Retaining wall block |
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Oct 15 1999 |
Kiltie Corporation |
Modular retaining wall block |
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Nov 08 1996 |
ANCHOR WALL SYSTEMS, INC |
Retaining wall block |
| D464145, |
Jun 19 2001 |
Anchor Wall Systems |
Side wall portion of a retaining wall block |
| D464147, |
May 21 2001 |
HENGESTONE HOLDINGS INC |
Paving stone |
| D466619, |
Apr 28 2000 |
Aggregate Industries UK Limited |
Mountain block |
| D468449, |
Apr 28 2000 |
Aggregate Industries UK Limited |
Mountain block |
| D477091, |
Nov 18 2002 |
Redi-Rock International, LLC |
Face for a concrete wall block |
| D479002, |
Nov 22 2002 |
Anchor Wall Systems, Inc. |
Front portion of a concrete block |
| D479003, |
Nov 22 2002 |
Anchor Wall Systems, Inc. |
Front portion of a concrete block |
| D482133, |
Jun 19 2001 |
Anchor Wall Systems |
Front portion of a retaining wall block |
| D492796, |
Oct 01 2002 |
PF Industries Inc. |
Front face of a masonry block |
| D500864, |
Jul 17 2003 |
Marshall Concrete Products, Inc. |
Ornamental face for retaining wall block |
| D506837, |
Jun 19 2001 |
Anchor Wall Systems |
Front portion of a retaining wall block |
| D511578, |
Nov 21 2003 |
ANCHOR WALL SYSTEMS, INC |
Molded surface of a concrete product |
| D513805, |
Jun 19 2001 |
Anchor Wall Systems |
Front portion of a retaining wall block |
| D518578, |
Nov 21 2003 |
ANCHOR WALL SYSTEMS, INC |
Molded surface of a concrete product |
| D529195, |
Jul 01 2005 |
ANCHOR WALL SYSTEMS, INC |
Retaining wall block |
| D529628, |
Nov 21 2003 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
| D530831, |
Jul 13 2005 |
ANCHOR WALL SYSTEMS, INC |
Retaining wall block |
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Nov 21 2003 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Nov 21 2003 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Apr 11 2006 |
Softsplit Technology, Inc. |
Wall face |
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Nov 21 2003 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Jul 13 2005 |
Anchor Wall Systems, Inc. |
Retaining wall block |
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Dec 14 2006 |
Anchor Wall Systems, Inc.; ANCHOR WALL SYSTEMS, INC |
Molded surface of a concrete product |
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Jun 18 2007 |
Oldcastle Building Products Canada, Inc. |
Artificial stone wall |
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May 14 2007 |
ANCHOR WALL SYSTEMS, INC |
Molded surface of a concrete product |
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Jan 19 2007 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Mar 14 2007 |
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Molded surface of a concrete product |
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Molded surface of a concrete product |
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Molded surface of a concrete product |
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Molded surface of a concrete product |
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Molded surface of a concrete product |
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Molded surface of a concrete product |
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Molded surface of a concrete product |
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Molded surface of a concrete product |
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May 14 2007 |
Anchor Wall Systems, Inc. |
Mold surface of a concrete block |
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Oct 21 2008 |
ANCHOR WALL SYSTEMS, INC |
Molded surface of a concrete product |
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Oct 21 2008 |
ANCHOR WALL SYSTEMS, INC |
Molded surface of a concrete product |
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Nov 18 2008 |
ANCHOR WALL SYSTEMS, INC |
Molded surface of a concrete product |
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Nov 18 2008 |
ANCHOR WALL SYSTEMS, INC |
Molded surfaces of a concrete product |
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Dec 19 2008 |
ANCHOR WALL SYSTEMS, INC |
Molded surface of a concrete product |
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Jan 19 2007 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Feb 25 2009 |
ANCHOR WALL SYSTEMS, INC |
Molded surface of a concrete product |
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May 19 2009 |
ANCHOR WALL SYSTEMS, INC |
Molded surface of a concrete product |
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Mar 13 2008 |
ANCHOR WALL SYSTEMS, INC |
Molded surface of a concrete product |
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Apr 18 2008 |
ANCHOR WALL SYSTEMS, INC |
Sculpted cap block |
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Nov 21 2003 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Mar 14 2007 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Dec 14 2006 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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May 14 2007 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Aug 06 2007 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Jan 19 2007 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Oct 21 2008 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Nov 18 2008 |
Anchor Wall Systems, Inc. |
Molded surfaces of a concrete product |
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Oct 21 2008 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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May 19 2009 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Nov 18 2008 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Feb 25 2009 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Dec 19 2008 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Jun 30 2010 |
Anchor Wall Systems, Inc. |
Sculpted cap block |
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Dec 14 2006 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Mar 14 2007 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Aug 06 2007 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Mar 13 2008 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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May 14 2007 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Feb 25 2009 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Oct 21 2008 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Nov 18 2008 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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May 19 2009 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Dec 19 2008 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Dec 03 2010 |
ANCHOR WALL SYSTEMS, INC |
Molded surface of a concrete product |
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Apr 18 2008 |
Anchor Wall Systems, Inc. |
Sculpted cap block |
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Oct 21 2008 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Jan 19 2007 |
Anchor Wall Systems, Inc. |
Molded surface of a concrete product |
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Nov 18 2008 |
Anchor Wall Systems, Inc. |
Molded surfaces of a concrete product |
| DE10002390, |
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| DE19634499, |
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| GB2092493, |
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| GB2092499, |
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| GB2092500, |
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| GB2092501, |
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| GB2232114, |
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| GB944066, |
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| WO3060251, |
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