Assignee
RICHWAY IND LTD
US·4 granted patents·89 citations·filing 1979–2005
Top patents by PatentIndex Score
4 records- 0186US7118086B1Pinch valve with inlet and outlet portsRICHWAY IND LTD·Filed 2005·Granted Oct 10, 2006·23 cites·6 claims
- 0284US4296875AFoam dispensing apparatus for marking on a ground surface the working pattern of a surface working vehicleRICHWAY IND LTD·Filed 1979·Granted Oct 27, 1981·28 cites·3 claims
- 0376US6314996B1Foam marking systemRICHWAY IND LTD·Filed 2000·Granted Nov 13, 2001·29 cites·20 claims
- 0445US6651908B1Foam marking device for yardsRICHWAY IND LTD·Filed 2001·Granted Nov 25, 2003·9 cites·15 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →