Patent
   D450550
Priority
Nov 16 2000
Filed
Nov 16 2000
Issued
Nov 20 2001
Expiry
Nov 20 2015
Assg.orig
Entity
unknown
11
51
n/a
The ornamental design for a flow channel for drip irrigation with biased cavity, as shown.

FIG. 1 is a top plan view of a "flow channel for drip irrigation with biased cavity" showing our new design, a typical hose being indicated in broken line and forms no part of the claimed design;

FIG. 2 is a side elevational view thereof; and,

FIG. 3 is a left hand end view thereof.

Roberts, John C., Butler, Jack

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Patent Priority Assignee Title
3870236,
3939875, Aug 06 1970 Boyle and Osborn Permeable flexible plastic tubing
3961112, Aug 02 1974 Luminous embossable tape
4009832, Aug 06 1974 Irrigation means for the uniform distribution of liquid
4047995, Feb 02 1976 Hoses for irrigation by dripping and the like and the process to manufacture the same
4173309, Dec 10 1976 Flow control devices particularly useful for drip irrigation
4177946, Apr 11 1977 Integral drip irrigation system
4247051, Apr 04 1977 ALLPORT, TROY, CO-TRUSTEE OF THE ALLPORT CHILDREN S TRUST UNDER THE DAVIES ALLPORT TRUST; ALLPORT, GERALDINE, CO-TRUSTEE OF THE ALLPORT CHILDREN S TRUST UNDER THE DAVIES ALLPORT TRUST Irrigation hose and method for its construction
4285472, Apr 12 1978 Toyo Soda Manufacturing Co., Ltd. Water dropping type irrigation pipe
4307841, Nov 24 1977 HYDRO-PLAN ENGINEERING, LTD ; NETAFIM MUTZAREI HASHKAYA BETIFTUF BEKIBBUTZ HATZERIM Drip irrigation system
4354639, Dec 16 1977 Multiple chamber drip irrigation hose
4413787, May 14 1980 U S FARM PRODUCTS LIMITED Apparatus for drip irrigation
4460129, Feb 13 1980 Turbulent flow emitter
4473191, Apr 01 1982 Drip irrigation system employing flow regulation
4473525, Oct 25 1978 Laboratoires Besins International SA Method of making fluid distribution devices particularly useful for drip irrigation
4534515, Apr 01 1982 Drip irrigation system employing adjacently arranged flow-restricting passages
4548360, Feb 08 1982 William W. C., Delmer Multichamber drip irrigation hose
4573640, Oct 26 1976 Hydro-Plan Engineering Ltd. Irrigation emitter unit
4655397, Jan 09 1984 Naan Irrigation Systems Vortex dripper
4722759, Mar 01 1985 ROBERTS IRRIGATION PRODUCTS, INC Apparatus for fabricating drip irrigation tape
4763842, Feb 04 1987 Bill D., McCarthy Water drip device for irrigation
4807668, Mar 01 1985 ROBERTS IRRIGATION PRODUCTS, INC Drip irrigation tape
4880167, Sep 23 1987 TORO COMPANY, THE Irrigation hose with linear turbulent flow emitter
4984739, Aug 04 1986 ALLPORT, TROY AND ALLPORT, GERALDINE CO -TRUSTEES OF THE ALLPORT CHILDREN S TRUST UNDER THE DAVIES ALLPORT TRUST DATED NOVERMBER 8, 1985, AS AMENDED AND RESTATED OCTOBER 14, 1991 Drip irrigation hose
5076498, Oct 09 1987 Townsend Controls Pty. Ltd. Irrigation tape and method of producing same
5111995, Dec 18 1990 Rain Bird Corporation Drip irrigation tube
5118042, Jun 26 1989 William A., Delmer; Robert J., Delmer; Daniel W. C., Delmer Multiple chamber drip irrigation hose
5123984, Aug 17 1990 T-SYSTEMS INTERNATIONAL, INC Method and apparatus for forming ports in drip irrigation hose
5133707, Jul 26 1990 Minnesota Mining and Manufacturing Company Transparent indicia embossed film
5246171, Jun 06 1991 ROBERTS IRRIGATION PRODUCTS, INC Drip irrigation tape including a series of alternately offset elongated chambers
5282578, Feb 08 1993 T-Systems International, Inc. Self-protecting irrigation hose and method
5318657, Feb 16 1988 ROBERTS IRRIGATION PRODUCTS, INC Drip irrigation tape and method of manufacture
5375770, Jun 06 1991 ROBERTS IRRIGATION PRODUCTS, INC Drip irrigation tape having a reduced thickness portion covering an indented flow groove
5387307, Feb 16 1988 ROBERTS IRRIGATION PRODUCTS, INC Drip irrigation tape and method of manufacture
5520339, Dec 13 1994 Multi-stage dripping tube for irrigation
5522551, May 26 1993 T-Systems International, Inc. Drip irrigation hose and method for its manufacture
5620143, Oct 24 1994 VALPLASTIC USA LLC Constant-flow irrigation tape and method of making
5634595, Jul 19 1994 T-Systems International, Inc. Drip irrigation hose and method for its manufacture
5673852, Apr 03 1989 ROBERTS IRRIGATION PRODUCTS, INC Drip irrigation tape and method of manufacture
5690769, Aug 21 1995 T-Systems International Method for splicing drip irrigation hoses using splicing means internal to the hoses
5732887, Feb 16 1988 JOHN DEERE WATER, INC Drip irrigation tape and method of manufacture
5785785, Oct 24 1994 VALPLASTIC USA LLC Method of making constant flow irrigation tape
5855324, May 26 1994 JOHN DEERE WATER, INC Drip irrigation hose and method of its manufacture
5944260, Jun 18 1997 Water-dropping tape for crops
6116523, May 06 1997 JOHN DEERE WATER, INC Pressure-compensating drip irrigation hose and method for its manufacture
DE2726358,
EP69487,
EP196763,
FR2484195,
WO8500003,
WO9221228,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 16 2000Roberts Group Holdings, LLC(assignment on the face of the patent)
Jan 31 2001ROBERTS, JOHN C Roberts Group Holdings, LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0115170305 pdf
Jan 31 2001BUTLER, JACKRoberts Group Holdings, LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0115170305 pdf
May 07 2009ROBERTS IRRIGATION PRODUCTS, INC T-SYSTEMS INTERNATIONAL, INC MERGER SEE DOCUMENT FOR DETAILS 0348870959 pdf
Jun 02 2009T-SYSTEMS INTERNATIONAL, INC JOHN DEERE WATER TECHNOLOGIES, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0348880015 pdf
Dec 14 2009JOHN DEERE WATER TECHNOLOGIES, INC JOHN DEERE WATER, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0348880030 pdf
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