Assignee
NPC INC
US·15 granted patents·6 pending applications·782 citations·filing 1989–2009
Top patents by PatentIndex Score
21 records- 0198US5641256AAnchoring device for a threaded memberNPC INC·Filed 1995·Granted Jun 24, 1997·427 cites·23 claims
- 0290US5580068ALiquid filled sealNPC INC·Filed 1990·Granted Dec 3, 1996·68 cites·7 claims
- 0382US5360241AUniversal saddle tee for pipesNPC INC·Filed 1993·Granted Nov 1, 1994·56 cites·38 claims
- 0479US5431459ABand with slotted wedge camsNPC INC·Filed 1993·Granted Jul 11, 1995·48 cites·39 claims
- 0573US6866301B2Expandable band and locking mechanismNPC INC·Filed 2002·Granted Mar 15, 2005·19 cites·29 claims
- 0673US5029907ABand for effecting a sealNPC INC·Filed 1990·Granted Jul 9, 1991·40 cites·18 claims
- 0771US6152455AExpandable band and locking mechanismNPC INC·Filed 1998·Granted Nov 28, 2000·35 cites·18 claims
- 0870US8028735B2Laminating apparatusNPC INC·Filed 2007·Granted Oct 4, 2011·3 cites·6 claims
- 0969US8052036B2Tab lead soldering apparatus and tab lead soldering methodNPC INC·Filed 2007·Granted Nov 8, 2011·3 cites·2 claims
- 1066US7699085B2Laminating apparatusNPC INC·Filed 2007·Granted Apr 20, 2010·2 cites·4 claims
- 1166US6953194B2Expandable band and locking mechanismNPC INC·Filed 2003·Granted Oct 11, 2005·13 cites·27 claims
- 1264US4993722AApparatus and method for improved pipe to manhole sealingNPC INC·Filed 1989·Granted Feb 19, 1991·26 cites·27 claims
- 1360US5595524AGrinding apparatus and method which supports a workpiece on the surface being groundNPC INC·Filed 1995·Granted Jan 21, 1997·22 cites·31 claims
- 1458US7243956B2Expandable band and locking mechanismNPC INC·Filed 2004·Granted Jul 17, 2007·10 cites·12 claims
- 1558US6364373B1Corrugated pipe adapter and connection systemNPC INC·Filed 2000·Granted Apr 2, 2002·10 cites·18 claims
- 1654US2011068817A1Solar cell output characteristic evaluation apparatus and solar cell output characteristic evaluation methodNPC INC·Filed 2009·Application pending·0 cites
- 1748US2011069479A1Pseudo solar light generation apparatus and pseudo solar light generation method for solar cell characteristic measurementNPC INC·Filed 2009·Application pending·0 cites
- 1848US2010090616A1Solar simulatorNPC INC·Filed 2009·Application pending·0 cites
- 1945US2008041531A1Laminating apparatusNPC INC·Filed 2007·Application pending·0 cites
- 2043US2006012165A1Modular connection systemNPC INC·Filed 2005·Application pending·0 cites
- 2141US2008041528A1Laminating apparatusNPC INC·Filed 2007·Application pending·0 cites
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →