Assignee
UNIVERSAL VALVE CO INC
US·23 granted patents·318 citations·filing 1976–2007
Top patents by PatentIndex Score
23 records- 0188US4706718AContainment manhole having spillage sealing meansUNIVERSAL VALVE CO INC·Filed 1986·Granted Nov 17, 1987·61 cites·3 claims
- 0279US7712259B1Sump cover system for underground liquid storage tanksUNIVERSAL VALVE CO INC·Filed 2007·Granted May 11, 2010·8 cites·9 claims
- 0378US4094346ATank manifoldUNIVERSAL VALVE CO INC·Filed 1976·Granted Jun 13, 1978·29 cites·2 claims
- 0471US6062274AVapor reduction in filling fuel storage tanksUNIVERSAL VALVE CO INC·Filed 1999·Granted May 16, 2000·38 cites·12 claims
- 0570USD306482SManhole coverUNIVERSAL VALVE CO INC·Filed 1987·Granted Mar 6, 1990·13 cites·1 claims
- 0659USD284887SOffset couplingUNIVERSAL VALVE CO INC·Filed 1983·Granted Jul 29, 1986·7 cites·1 claims
- 0758US5660214AOverfill prevention for liquid storage tanksUNIVERSAL VALVE CO INC·Filed 1995·Granted Aug 26, 1997·19 cites·10 claims
- 0851US6527476B1Non-sinking manhole assembly for below ground liquid storage tanksUNIVERSAL VALVE CO INC·Filed 1999·Granted Mar 4, 2003·20 cites·13 claims
- 0951US6435760B1Quick re-install bumper guard system and methodUNIVERSAL VALVE CO INC·Filed 1999·Granted Aug 20, 2002·19 cites·12 claims
- 1049US5674045AManhole cover moving apparatus and methodUNIVERSAL VALVE CO INC·Filed 1994·Granted Oct 7, 1997·12 cites·8 claims
- 1149US5564465AFill restricting drop tubeUNIVERSAL VALVE CO INC·Filed 1994·Granted Oct 15, 1996·20 cites·14 claims
- 1249USD320281SUnderground service vaultUNIVERSAL VALVE CO INC·Filed 1988·Granted Sep 24, 1991·5 cites·1 claims
- 1347US5687871ASpill container for above ground storage tanksUNIVERSAL VALVE CO INC·Filed 1996·Granted Nov 18, 1997·16 cites·20 claims
- 1439US5785452AManholeUNIVERSAL VALVE CO INC·Filed 1996·Granted Jul 28, 1998·9 cites·7 claims
- 1537USD401305SSpill container for above ground storage tanksUNIVERSAL VALVE CO INC·Filed 1997·Granted Nov 17, 1998·3 cites·1 claims
- 1637USD296512SAdaptor turning toolUNIVERSAL VALVE CO INC·Filed 1985·Granted Jul 5, 1988·6 cites·1 claims
- 1736USD498541SFuel dispenser guard assemblyUNIVERSAL VALVE CO INC·Filed 2003·Granted Nov 16, 2004·2 cites·1 claims
- 1836US4460013APressure-vacuum ventUNIVERSAL VALVE CO INC·Filed 1981·Granted Jul 17, 1984·5 cites·5 claims
- 1933US5593116AHose retractorUNIVERSAL VALVE CO INC·Filed 1994·Granted Jan 14, 1997·8 cites·20 claims
- 2032US4194530ARestrictive ventUNIVERSAL VALVE CO INC·Filed 1978·Granted Mar 25, 1980·3 cites·6 claims
- 2132US4163462ATest plugUNIVERSAL VALVE CO INC·Filed 1977·Granted Aug 7, 1979·5 cites·19 claims
- 2231US5511898AMoveable manhole coverUNIVERSAL VALVE CO INC·Filed 1994·Granted Apr 30, 1996·7 cites·13 claims
- 2330US5899629AManholeUNIVERSAL VALVE CO INC·Filed 1998·Granted May 4, 1999·3 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →