Assignee
EPI ENERGY LTD
US·9 granted patents·39 citations·filing 2004–2009
Top patents by PatentIndex Score
9 records- 0184US7867122B2Power transmission system with continuously variable speed controlEPI ENERGY LTD·Filed 2006·Granted Jan 11, 2011·9 cites·25 claims
- 0278US7540819B1Simultaneous multiple rotation interfaceEPI ENERGY LTD·Filed 2007·Granted Jun 2, 2009·5 cites·19 claims
- 0359US7192375B2Device for varying the torque about a central member and method of useEPI ENERGY LTD·Filed 2004·Granted Mar 20, 2007·7 cites·11 claims
- 0457US7258642B2Simultaneous multiple rotation interfaceEPI ENERGY LTD·Filed 2004·Granted Aug 21, 2007·4 cites·1 claims
- 0556US7810331B2Method for capturing energy from mechanical actions associated with recovery of underground fluidsEPI ENERGY LTD·Filed 2004·Granted Oct 12, 2010·6 cites·12 claims
- 0655US7448443B2Variably operable oil recovery systemEPI ENERGY LTD·Filed 2005·Granted Nov 11, 2008·1 cites·4 claims
- 0753US7837586B1Simultaneous multiple rotation interfaceEPI ENERGY LTD·Filed 2009·Granted Nov 23, 2010·0 cites·20 claims
- 0846US7258643B2Device for actuating a reciprocating recovery means for underground fluidEPI ENERGY LTD·Filed 2004·Granted Aug 21, 2007·7 cites·3 claims
- 0943US7651428B1Device for actuating a reciprocating recovery means for underground fluidEPI ENERGY LTD·Filed 2007·Granted Jan 26, 2010·0 cites·21 claims
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