Lemke; James U.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lemke; James U..The latest application filed is for "ported engine constructions with low-tension compression seals".

Company Profile

1.50.31

Lemke; James U. - La Jolla CA
Lemke; James U. - San Diego CA
Lemke; James U. - San Diegeo CA
Lemke; James U. - Delmar CA
Lemke; James U. - Del Mar CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Ported engine constructions with low-tension compression seals Grant 10,935,134 - Lemke , et al. March 2, 2	2021-03-02
Ported Engine Constructions With Low-tension Compression Seals App 20180335141 - LEMKE; JAMES U. ; et al.	2018-11-22
Ported engine constructions with low-tension compression seals Grant 10,036,471 - Lemke , et al. July 31, 2	2018-07-31
Constructions for piston thermal management Grant 9,810,174 - Wahl , et al. November 7, 2	2017-11-07
Passive, Noninvasive Tomography App 20150282715 - Lemke; James U.	2015-10-08
Rolling thrust bearing constructions Grant 8,807,112 - Lemke , et al. August 19, 2	2014-08-19
Two stroke opposed-piston engines with compression release for engine braking Grant 8,746,190 - Lemke , et al. June 10, 2	2014-06-10
Cylinder and Piston Assemblies for Opposed Piston Engines App 20140026864 - Lemke; James U. ; et al.	2014-01-30
Cylinder and piston assemblies for opposed piston engines Grant 8,550,041 - Lemke , et al. October 8, 2	2013-10-08
Multi-cylinder opposed piston engines Grant 8,539,918 - Lemke , et al. September 24, 2	2013-09-24
Opposed piston, compression ignition engine with single-side mounted crankshafts and crossheads Grant 8,485,161 - Lemke July 16, 2	2013-07-16
Opposed piston, compression ignition engine with single-side mounted crankshafts and crossheads Grant 8,474,435 - Lemke July 2, 2	2013-07-02
Constructions for Piston Thermal Management App 20130112175 - Wahl; Michael H. ; et al.	2013-05-09
Passive, Noninvasive Tomography App 20130079629 - Lemke; James U.	2013-03-28
Dual crankshaft, opposed-opposed-piston engine constructions App 20120285422 - Exner; Christina ; et al.	2012-11-15
Two-cycle, opposed-piston internal combustion engine Grant 8,286,596 - Lemke , et al. October 16, 2	2012-10-16
Internal combustion engine with provision for lubricating pistons Grant 8,281,755 - Lemke , et al. October 9, 2	2012-10-09
Opposed piston engine Grant 8,276,552 - Lemke , et al. October 2, 2	2012-10-02
Two-cycle, opposed-piston internal combustion engine App 20120152185 - Lemke; James U. ; et al.	2012-06-21
Two stroke opposed-piston engines with compression release for engine braking App 20120125298 - Lemke; James U. ; et al.	2012-05-24
Two-cycle, opposed-piston internal combustion engine Grant 8,087,389 - Lemke , et al. January 3, 2	2012-01-03
Rolling thrust bearing constructions App 20110186005 - Lemke; James U. ; et al.	2011-08-04
Single-crankshaft, opposed-piston engine constructions App 20110186017 - Lemke; James U. ; et al.	2011-08-04
Ported engine constructions with low-tension compression seals App 20110114038 - Lemke; James U. ; et al.	2011-05-19
Auxiliary systems for opposed piston engines App 20110094223 - Lemke; James U. ; et al.	2011-04-28
Generating electricity with a hypocyloidally driven, opposed piston, internal combustion engine Grant 7,931,005 - Lemke , et al. April 26, 2	2011-04-26
Cylinder and piston assemblies for opposed piston engines Grant 7,861,679 - Lemke , et al. January 4, 2	2011-01-04
Two-cycle, opposed-piston internal combustion engine Grant 7,784,436 - Lemke , et al. August 31, 2	2010-08-31
Multi-Cylinder opposed piston engines App 20100212613 - Lemke; James U. ; et al.	2010-08-26
Cylinder and piston assemblies for opposed piston engines App 20100212637 - Lemke; James U. ; et al.	2010-08-26
Two-cycle, Opposed-piston Internal Combustion Engine App 20100186723 - Lemke; James U. ; et al.	2010-07-29
Generating electricity with a hypocyloidally driven, opposed piston, internal combustion engine App 20100109343 - Lemke; James U. ; et al.	2010-05-06
Opposed piston, compression ignition engine with single-side mounted crankshafts and crossheads App 20100071670 - Lemke; James U.	2010-03-25
Opposed piston, compression ignition engine with single-side mounted crankshafts and crossheads App 20100071671 - Lemke; James U.	2010-03-25
Cylinder and piston assemblies for opposed piston engines App 20100012055 - Lemke; James U. ; et al.	2010-01-21
Opposed piston internal-combustion engine with hypocycloidal drive and generator apparatus Grant 7,640,910 - Lemke , et al. January 5, 2	2010-01-05
Two-cycle, opposed-piston internal combustion engine App 20090293820 - Lemke; James U. ; et al.	2009-12-03
Opposed piston engine with piston compliance Grant 7,591,235 - Lemke , et al. September 22, 2	2009-09-22
Two-cycle, opposed-piston internal combustion engine Grant 7,549,401 - Lemke , et al. June 23, 2	2009-06-23
Two-stroke, opposed-piston internal combustion engine Grant 7,546,819 - Lemke , et al. June 16, 2	2009-06-16
Internal combustion engine with provision for lubricating pistons App 20080314688 - Lemke; James U. ; et al.	2008-12-25
Opposed piston engine with piston compliance App 20080163848 - Lemke; James U. ; et al.	2008-07-10
Opposed piston engine Grant 7,360,511 - Lemke , et al. April 22, 2	2008-04-22
Two-Cycle, Opposed-Piston Internal Combustion Engine App 20070245892 - Lemke; James U. ; et al.	2007-10-25
Opposed piston internal-combustion engine with hypocycloidal drive and generator apparatus App 20070215093 - Lemke; James U. ; et al.	2007-09-20
Opposed piston, homogeneous charge pilot ignition engine Grant 7,270,108 - Lemke September 18, 2	2007-09-18
Two-stroke, opposed-piston internal combustion engine App 20070039572 - Lemke; James U. ; et al.	2007-02-22
Two-cycle, opposed-piston internal combustion engine Grant 7,156,056 - Lemke , et al. January 2, 2	2007-01-02
Apparatus and method for control of a precisely positionable high gain microwave antenna Grant 7,142,169 - Lemke November 28, 2	2006-11-28
Opposed piston, homogeneous charge pilot ignition engine App 20060219213 - Lemke; James U.	2006-10-05
Opposed piston engine App 20060157003 - Lemke; James U. ; et al.	2006-07-20
Two-cycle, opposed-piston internal combustion engine App 20050274332 - Lemke, James U. ; et al.	2005-12-15
Multilevel signal equalization utilizing nonlinear maps Grant 6,381,083 - Abarbanel , et al. April 30, 2	2002-04-30
Wet rigid disk drive assembly with a conical spindle bearing Grant 6,122,143 - Lemke , et al. September 19, 2	2000-09-19
Low drag liquid bearing recording head Grant 5,526,204 - French , et al. June 11, 1	1996-06-11
Information recording apparatus with a non-newtonian liquid bearing Grant 5,488,521 - Lemke , et al. January 30, 1	1996-01-30
Information recording apparatus with a liquid bearing Grant 5,317,463 - Lemke , et al. May 31, 1	1994-05-31
Information recording apparatus with a non-Newtonian liquid bearing Grant 5,097,368 - Lemke , et al. March 17, 1	1992-03-17
Slider assembly with dynamically positionable transducer Grant 4,669,011 - Lemke May 26, 1	1987-05-26
Imaging apparatus Grant 4,524,390 - Lemke June 18, 1	1985-06-18
Multitrack magnetic head Grant 4,477,853 - Lemke October 16, 1	1984-10-16
Method of making a multitrack magnetic head employing double helix structure Grant 4,398,345 - French , et al. August 16, 1	1983-08-16
Tape recorder apparatus capable of playing back selected information while recording other information Grant 4,388,659 - Lemke June 14, 1	1983-06-14
Multitrack recording with minimal intermodulation Grant 4,388,656 - Lemke June 14, 1	1983-06-14
Fast frame rate augmentation Grant 4,339,775 - Lemke , et al. July 13, 1	1982-07-13
Apparatus useful for converting asynchronous video information to synchronous video information Grant 4,334,247 - Lemke June 8, 1	1982-06-08
Magnetic head having a controllable high-permeability tunnel within a low-permeability sleeve Grant 4,322,763 - Lemke March 30, 1	1982-03-30
Segmented video playback apparatus with ancillary recording medium Grant 4,193,098 - Bixby , et al. March 11, 1	1980-03-11
Magnetic-tape cartridge-loaded portable video camera using prerecorded timing signals to control the video time base Grant 3,962,725 - Lemke , et al. June 8, 1	1976-06-08
Apparatus for modifying the time base of signals Grant 3,931,638 - Lentz , et al. January 6, 1	1976-01-06
A Method Of Imaging Using Interdigitated Electrodes, A Photoconductive Layer And A Magnetic Imaging Layer Grant 3,717,460 - Duck , et al. February 20, 1	1973-02-20