Assignee
US ENVIRONMENTAL PROTECTION
US·8 granted patents·232 citations·filing 2003–2007
Top patents by PatentIndex Score
8 records- 0197US7681394B2Control methods for low emission internal combustion systemUS ENVIRONMENTAL PROTECTION·Filed 2006·Granted Mar 23, 2010·101 cites·19 claims
- 0294US7644585B2Multi-stage turbocharging system with efficient bypassUS ENVIRONMENTAL PROTECTION·Filed 2005·Granted Jan 12, 2010·29 cites·21 claims
- 0389US6998727B2Methods of operating a parallel hybrid vehicle having an internal combustion engine and a secondary power sourceUS ENVIRONMENTAL PROTECTION·Filed 2003·Granted Feb 14, 2006·61 cites·58 claims
- 0482US7677871B2High-efficiency, large angle, variable displacement hydraulic pump/motorUS ENVIRONMENTAL PROTECTION·Filed 2005·Granted Mar 16, 2010·8 cites·9 claims
- 0578US7527074B1Hydraulic pressure accumulatorUS ENVIRONMENTAL PROTECTION·Filed 2007·Granted May 5, 2009·8 cites·2 claims
- 0666US7500424B2Hydraulic machine having pressure equalizationUS ENVIRONMENTAL PROTECTION·Filed 2004·Granted Mar 10, 2009·9 cites·15 claims
- 0765US7594802B2Large angle sliding valve plate pump/motorUS ENVIRONMENTAL PROTECTION·Filed 2004·Granted Sep 29, 2009·8 cites·21 claims
- 0865US6996982B2Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motorUS ENVIRONMENTAL PROTECTION·Filed 2003·Granted Feb 14, 2006·8 cites·30 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →