James U. Lemke — 57 Patents at Achates Power

James U. Lemke has been granted 57 US patents while listed as an inventor at Achates Power. The first was granted in 1980 and the most recent in March 2021. James U. Lemke ranks #42,642 of 4,157,543 US inventors in our database (top 1.0%). Patent records list James U. Lemke in Village of La Jolla, CA, US.

Issued Patents All Time

Showing 1–25 of 57 patents

Patent #	Title	Co-Inventors	Date
10935134	Ported engine constructions with low-tension compression seals	Bryant A. Wagner	2021-03-02
10060345	Dual crankshaft, opposed-piston engine constructions	Christina Exner	2018-08-28
10036471	Ported engine constructions with low-tension compression seals	Bryant A. Wagner	2018-07-31
9810174	Constructions for piston thermal management	Michael H. Wahl, Ryan G. MacKenzie	2017-11-07
8807112	Rolling thrust bearing constructions	Patrick R. Lee, William B. McHargue, Bryant A. Wagner	2014-08-19
8746190	Two stroke opposed-piston engines with compression release for engine braking	Fabien G. Redon, Gerhard Regner	2014-06-10
8550041	Cylinder and piston assemblies for opposed piston engines	Gordon E. Rado, Michael H. Wahl, Patrick R. Lee, Clark A. Klyza, Eric P. Dion	2013-10-08
8539918	Multi-cylinder opposed piston engines	Gordon E. Rado, Michael H. Wahl, Patrick R. Lee, Eric P. Dion, Jin Dai +6 more	2013-09-24
8485161	Opposed piston, compression ignition engine with single-side mounted crankshafts and crossheads	—	2013-07-16
8474435	Opposed piston, compression ignition engine with single-side mounted crankshafts and crossheads	—	2013-07-02
8286596	Two-cycle, opposed-piston internal combustion engine	William B. McHargue, Michael H. Wahl, Patrick R. Lee	2012-10-16
8281755	Internal combustion engine with provision for lubricating pistons	William B. McHargue	2012-10-09
8276552	Opposed piston engine	Ronald J. Hoffman, Michael H. Wahl, Patrick R. Lee	2012-10-02
8087389	Two-cycle, opposed-piston internal combustion engine	William B. McHargue, Michael H. Wahl, Patrick R. Lee	2012-01-03
7931005	Generating electricity with a hypocyloidally driven, opposed piston, internal combustion engine	William B. McHargue	2011-04-26
7861679	Cylinder and piston assemblies for opposed piston engines	Ronald J. Hoffman, Michael H. Wahl, Patrick R. Lee	2011-01-04
7784436	Two-cycle, opposed-piston internal combustion engine	William B. McHargue	2010-08-31
7640910	Opposed piston internal-combustion engine with hypocycloidal drive and generator apparatus	William B. McHargue	2010-01-05
7591235	Opposed piston engine with piston compliance	Ronald J. Hoffman, Michael H. Wahl, Patrick R. Lee	2009-09-22
7549401	Two-cycle, opposed-piston internal combustion engine	William B. McHargue, Michael H. Wahl, Patrick R. Lee	2009-06-23
7546819	Two-stroke, opposed-piston internal combustion engine	William B. McHargue	2009-06-16
7360511	Opposed piston engine	Ronald J. Hoffman, Michael H. Wahl, Patrick R. Lee	2008-04-22
7270108	Opposed piston, homogeneous charge pilot ignition engine	—	2007-09-18
7156056	Two-cycle, opposed-piston internal combustion engine	William B. McHargue	2007-01-02
7142169	Apparatus and method for control of a precisely positionable high gain microwave antenna	—	2006-11-28

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James U. Lemke — 57 Patents

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