Inventor
ROBERTS JAMES C
US18 patents
⚠️ This page may combine multiple inventors who share the name “ROBERTS JAMES C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROBERTS JAMES C
7 patentsUS5318657AJun 7, 1994
Drip irrigation tape and method of manufacture
ROBERTS JAMES C55 citations95
US4807668AFeb 28, 1989
Drip irrigation tape
ROBERTS JAMES C55 citations95
US4722759AFeb 2, 1988
Apparatus for fabricating drip irrigation tape
ROBERTS JAMES C66 citations95
US7971804B2Jul 5, 2011
Channeled shaft check valve assemblies
ROBERTS JAMES C30 citations92
US7686235B2Mar 30, 2010
Check valve assembly for controlling the flow of pressurized fluids
ROBERTS JAMES C35 citations92
US7293721B2Nov 13, 2007
Check valve assembly for sprinkler head
ROBERTS JAMES C33 citations92
US5246171ASep 21, 1993
Drip irrigation tape including a series of alternately offset elongated chambers
ROBERTS JAMES C41 citations92
(unassigned)
5 patentsUS5732887AMar 31, 1998
Drip irrigation tape and method of manufacture
59 citations95
US5673852AOct 7, 1997
Drip irrigation tape and method of manufacture
49 citations92
US5387307AFeb 7, 1995
Drip irrigation tape and method of manufacture
20 citations92
US5375770ADec 27, 1994
Drip irrigation tape having a reduced thickness portion covering an indented flow groove
26 citations92
US6702074B2Mar 9, 2004
Brake heat reducing system
6 citations62