Assignee
ELK CORP
US·15 granted patents·6 pending applications·742 citations·filing 1983–2010
Top patents by PatentIndex Score
21 records- 0197US6526777B1LNG production in cryogenic natural gas processing plantsELK CORP·Filed 2001·Granted Mar 4, 2003·128 cites·21 claims
- 0296US6742358B2Natural gas liquefactionELK CORP·Filed 2002·Granted Jun 1, 2004·101 cites·18 claims
- 0395US6915662B2Hydrocarbon gas processingELK CORP·Filed 2001·Granted Jul 12, 2005·107 cites·13 claims
- 0494US6936329B2Fastener-free composite roofing productELK CORP·Filed 2003·Granted Aug 30, 2005·89 cites·29 claims
- 0592US7010937B2Natural gas liquefactionELK CORP·Filed 2004·Granted Mar 14, 2006·59 cites·12 claims
- 0690US6889523B2LNG production in cryogenic natural gas processing plantsELK CORP·Filed 2003·Granted May 10, 2005·61 cites·8 claims
- 0789US7411143B2Flexible EL dome sheet and flexible EL dome sheet keypad using the sameELK CORP·Filed 2005·Granted Aug 12, 2008·22 cites·6 claims
- 0885US8017531B2Composite materialELK CORP·Filed 2004·Granted Sep 13, 2011·23 cites·19 claims
- 0985US7563733B2Composite materialELK CORP·Filed 2004·Granted Jul 21, 2009·24 cites·17 claims
- 1083US7361617B2Fire resistant composite material and fabrics therefromELK CORP·Filed 2005·Granted Apr 22, 2008·22 cites·12 claims
- 1183US6945075B2Natural gas liquefactionELK CORP·Filed 2002·Granted Sep 20, 2005·39 cites·78 claims
- 1279US4559267AStick-down system for roofingELK CORP·Filed 1983·Granted Dec 17, 1985·50 cites·13 claims
- 1375US8030229B2Composite materialELK CORP·Filed 2004·Granted Oct 4, 2011·13 cites·21 claims
- 1469US8012415B2Sterilization method and plasma sterilization apparatusELK CORP·Filed 2007·Granted Sep 6, 2011·3 cites·3 claims
- 1559US7482747B2Flexible EL deviceELK CORP·Filed 2005·Granted Jan 27, 2009·1 cites·10 claims
- 1653US2005215150A1Fire resistant composite material and fabrics therefromELK CORP·Filed 2005·Application pending·0 cites
- 1753US2005215149A1Fire resistant composite material and fabrics therefromELK CORP·Filed 2005·Application pending·0 cites
- 1849US2004258883A1Laminated roofing shingleELK CORP·Filed 2003·Application pending·0 cites
- 1945US2011052901A1Composite materialsELK CORP·Filed 2010·Application pending·0 cites
- 2044US2005215152A1Fire resistant composite material and fabrics therefromELK CORP·Filed 2005·Application pending·0 cites
- 2143US2004229052A1Composite materialELK CORP·Filed 2004·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →