FIG. 1 is a side elevation view of a centralizer, showing our new design;
FIG. 2 is an axial end, elevation view of the centralizer.
FIG. 3 is a perspective view of the centralizer, with unclaimed environment not shown.
FIG. 4 is an axial end, elevation view of the centralizer, with unclaimed environment not shown; and,
FIG. 5 is a side elevation view of the centralizer.
The broken lines in the drawings depict unclaimed environmental subject matter only and form no part of the claimed design.
| Patent |
Priority |
Assignee |
Title |
| 10000978, |
Nov 29 2012 |
|
Tubular centralizer |
| 10156103, |
Mar 20 2014 |
Downhole Products Limited |
Centraliser |
| 10214973, |
Sep 08 2015 |
INNOVEX DOWNHOLE SOLUTIONS, LLC |
Deployable bow spring centralizer |
| 2727576, |
|
|
|
| 2812200, |
|
|
|
| 3072195, |
|
|
|
| 3235295, |
|
|
|
| 3292708, |
|
|
|
| 3343608, |
|
|
|
| 3566965, |
|
|
|
| 3575239, |
|
|
|
| 3614139, |
|
|
|
| 4077470, |
Jan 27 1977 |
Weatherford/Lamb, Inc. |
Well centralizer and method of making |
| 4219081, |
Nov 03 1978 |
Halliburton Services |
Knockdown centralizer |
| 4255847, |
Nov 03 1978 |
Halliburton Company |
Method of making a knockdown centralizer |
| 4261556, |
Nov 03 1978 |
Halliburton Company |
Jig for assembly of knockdown centralizer |
| 4520869, |
Sep 29 1983 |
TRICO INDUSTRIES, INC |
Centralizer for well casings |
| 4531582, |
Oct 31 1983 |
FIRST INTERSTATE BANK OF TEXAS, N A |
Well conduit centralizer |
| 4641776, |
Oct 31 1983 |
FIRST INTERSTATE BANK OF TEXAS, N A |
Segmented concentric centralizer |
| 4681161, |
Mar 17 1986 |
Halliburton Company |
Well screen centralizer and method for constructing centralizer and for joining of well screens |
| 4688636, |
Apr 11 1986 |
|
Non-weld casing centralizer |
| 4770336, |
Mar 17 1986 |
Halliburton Company |
Well screen centralizer and method for constructing centralizer and for joining of well screens |
| 4909322, |
Apr 26 1989 |
Davis-Lynch, Inc.; DAVIS-LYNCH, INC , A CORP OF TX |
Casing centralizer |
| 5238062, |
Apr 27 1991 |
Weatherford/Lamb, Inc. |
Centralizer for centring drilling and casing pipes and centralizing arrangement including said centralizer |
| 5908072, |
May 02 1997 |
ANTELOPE OIL TOOL & MFG CO , LLC |
Non-metallic centralizer for casing |
| 6102118, |
Dec 30 1998 |
|
Multi-purpose adjustable centralizer system with tool |
| 6367556, |
May 05 2000 |
|
Multiple configuration centralizer device and method for using same |
| 6484803, |
Sep 06 2000 |
TERCEL OILFIELD PRODUCTS USA L L C |
Dual diameter centralizer/sub and method |
| 7690437, |
Dec 05 2005 |
Schlumberger Technology Corporation |
Methods and apparatus for well construction |
| 7878241, |
May 16 2007 |
INNOVEX DOWNHOLE SOLUTIONS, LLC |
Expandable centralizer for expandable pipe string |
| 8701759, |
Mar 14 2013 |
BULK MOLDING COMPOUNDS, INC |
Casing centralizer |
| 8851168, |
Jul 26 2011 |
INNOVEX DOWNHOLE SOLUTIONS, LLC |
Performance centralizer for close tolerance applications |
| 9127519, |
Mar 20 2012 |
FRANK S INTERNATIONAL, LLC |
Well centralizer |
| 9328568, |
Nov 30 2012 |
TERCEL OILFIELD PRODUCTS USA L L C |
Casing centralizer and method of manufacturing same |
| 9341032, |
Jun 18 2014 |
PORTABLE COMPOSITE STRUCTURES, INC.; PORTABLE COMPOSITE STRUCTURES, INC |
Centralizer with collaborative spring force |
| 9470047, |
Jan 13 2011 |
Downhole Products Limited |
Centraliser |
| 9556687, |
Aug 17 2013 |
INNOVEX DOWNHOLE SOLUTIONS, LLC |
Multi-vane centralizer and method of forming |
| 9664001, |
Sep 24 2014 |
CENTEK LIMITED |
Centralizer and associated devices |
| 20090025929, |
|
|
|
| 20110290474, |
|
|
|
| D537315, |
Oct 20 2005 |
APEX BRANDS, INC |
Drill chuck sleeve |
| D662952, |
Feb 24 2011 |
Downhole Products Limited |
Centraliser |
| D663750, |
Oct 28 2011 |
TERCEL OILFIELD PRODUCTS USA L L C |
Casing centralizer |
| D671960, |
Feb 24 2011 |
Downhole Products Limited |
Centraliser |
| D674818, |
Oct 28 2011 |
TERCEL OILFIELD PRODUCTS USA L L C |
Casing centralizer |
| D676464, |
Apr 04 2012 |
SUMMIT CASING SERVICES, LLC |
Casing centralizer having straight blades |
| D717836, |
Mar 26 2014 |
INNOVEX DOWNHOLE SOLUTIONS, LLC |
One-piece centralizer with an axial seam and end-collar tabs |
| D717837, |
Mar 26 2014 |
INNOVEX DOWNHOLE SOLUTIONS, LLC |
One-piece centralizer with an axial seam |
| D718342, |
Mar 26 2014 |
INNOVEX DOWNHOLE SOLUTIONS, LLC |
One-piece centralizer with an axial seam and windows |
| D743447, |
Sep 30 2014 |
INNOVEX DOWNHOLE SOLUTIONS, LLC |
Centralizer |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 13 2018 | HATLA, CHRISTIAN | ANTELOPE OIL TOOL & MFG CO , LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 044922 | /0056 |
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| Feb 13 2018 | JOHNSTON, EVERETTE | ANTELOPE OIL TOOL & MFG CO , LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 044922 | /0056 |
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| Feb 13 2018 | NEEL, JESSE L | ANTELOPE OIL TOOL & MFG CO , LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 044922 | /0056 |
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| Feb 13 2018 | PENRY, CHRISTOPHER | ANTELOPE OIL TOOL & MFG CO , LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 044922 | /0056 |
pdf |
| Feb 14 2018 | | INNOVEX DOWNHOLE SOLUTIONS, INC. | (assignment on the face of the patent) | | / |
| Feb 16 2018 | ANTELOPE OIL TOOL & MFG CO , LLC | INNOVEX DOWNHOLE SOLUTIONS, INC | MERGER SEE DOCUMENT FOR DETAILS | 045523 | /0542 |
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| Jun 10 2019 | INNOVEX DOWNHOLE SOLUTIONS, INC | PNC BANK, NATIONAL ASSOCIATION, AS AGENT | AMENDED AND RESTATED TRADEMARK AND PATENT SECURITY AGREEMENT | 049454 | /0374 |
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| Jun 10 2019 | INNOVEX ENERSERVE ASSETCO, LLC | PNC BANK, NATIONAL ASSOCIATION, AS AGENT | AMENDED AND RESTATED TRADEMARK AND PATENT SECURITY AGREEMENT | 049454 | /0374 |
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| Jun 10 2019 | Quick Connectors, Inc | PNC BANK, NATIONAL ASSOCIATION, AS AGENT | AMENDED AND RESTATED TRADEMARK AND PATENT SECURITY AGREEMENT | 049454 | /0374 |
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| Jun 10 2022 | TOP-CO INC | PNC Bank, National Association | SECOND AMENDED AND RESTATED TRADEMARK AND PATENT SECURITY AGREEMENT | 060438 | /0932 |
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| Jun 10 2022 | TERCEL OILFIELD PRODUCTS USA L L C | PNC Bank, National Association | SECOND AMENDED AND RESTATED TRADEMARK AND PATENT SECURITY AGREEMENT | 060438 | /0932 |
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| Jun 10 2022 | INNOVEX DOWNHOLE SOLUTIONS, INC | PNC Bank, National Association | SECOND AMENDED AND RESTATED TRADEMARK AND PATENT SECURITY AGREEMENT | 060438 | /0932 |
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| Sep 06 2024 | INNOVEX DOWNHOLE SOLUTIONS, INC | INNOVEX DOWNHOLE SOLUTIONS, LLC | MERGER SEE DOCUMENT FOR DETAILS | 069173 | /0199 |
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