James C. Roberts

Person

Escondido, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Channeled shaft check valve assemblies
- Patent number 7,971,804
- Issue date Jul 5, 2011
- James C. Roberts
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Check valve assembly for controlling the flow of pressurized fluids
- Patent number 7,686,235
- Issue date Mar 30, 2010
- James C Roberts
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Check valve assembly for sprinkler head
- Patent number 7,293,721
- Issue date Nov 13, 2007
- James C Roberts
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Drip irrigation tape with indicia
- Patent number 6,460,786
- Issue date Oct 8, 2002
- Roberts Group Holdings LLC
- James C. Roberts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Drip irrigation tape and method of manufacture
- Patent number 5,732,887
- Issue date Mar 31, 1998
- James C. Roberts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Drip irrigation tape and method of manufacture
- Patent number 5,673,852
- Issue date Oct 7, 1997
- James C. Roberts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Drip irrigation tape having a reduced thickness portion covering an...
- Patent number 5,375,770
- Issue date Dec 27, 1994
- James C. Roberts
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Drip irrigation tape including a series of alternately offset elong...
- Patent number 5,246,171
- Issue date Sep 21, 1993
- James C. Roberts
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Drip irrigation tape
- Patent number 4,807,668
- Issue date Feb 28, 1989
- James C. Roberts
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Apparatus for fabricating drip irrigation tape
- Patent number 4,722,759
- Issue date Feb 2, 1988
- Roberts; James C.
- James C. Roberts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Channeled Shaft Check Valve Assemblies
- Publication number 20090173904
- Publication date Jul 9, 2009
- James C. Roberts
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Channeled check valve assembly
- Publication number 20070246567
- Publication date Oct 25, 2007
- James C. Roberts
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Check valve assembly for sprinkler head
- Publication number 20060086833
- Publication date Apr 27, 2006
- James C. Roberts
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Check valve assembly for sprinkler head
- Publication number 20060086832
- Publication date Apr 27, 2006
- James C. Roberts
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

James C. Roberts

Person

Patents Grantslast 30 patents

Channeled shaft check valve assemblies

Check valve assembly for controlling the flow of pressurized fluids

Check valve assembly for sprinkler head

Drip irrigation tape with indicia

Drip irrigation tape and method of manufacture

Drip irrigation tape and method of manufacture

Drip irrigation tape having a reduced thickness portion covering an...

Drip irrigation tape including a series of alternately offset elong...

Drip irrigation tape

Apparatus for fabricating drip irrigation tape

Patents Applicationslast 30 patents

Channeled Shaft Check Valve Assemblies

Channeled check valve assembly

Check valve assembly for sprinkler head

Check valve assembly for sprinkler head