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Thomas A. Spix — 29 Patents

General Motors: 29 patents #382 of 18,328Top 3%

Rochester Hills, MI: #52 of 1,754 inventorsTop 3%

Michigan: #2,299 of 86,293 inventorsTop 3%

Overall (All Time): #127,851 of 4,157,543Top 4%

29 Patents All Time

Thomas A. Spix has been granted 29 US patents while listed as an inventor at General Motors. The first was granted in 2001 and the most recent in February 2018. Thomas A. Spix ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list Thomas A. Spix in Rochester Hills, MI, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9896979	System and method for controlling a temperature of oil in a power-plant of a vehicle	Joseph J. Noonchester, Jonathan Pung	2018-02-20	$12,783,000
9739180	Variable tensioning for engine camshaft drive	—	2017-08-22	$11,667,000
9739348	Variable tensioner for cam drive	Roxann M. Bittner	2017-08-22	$11,667,000
9650989	Dimpled surface features for radiated noise attenuation in engine front covers	Eric D. Staley, Alan W. Hayman	2017-05-16	$11,115,000
9611769	System and method for controlling airflow through a ventilation system of an engine when cylinders of the engine are deactivated	Ronald J. Pierik	2017-04-04	$16,417,000
9347345	Internal combustion engines and oil containment systems thereof	Christopher Paul Nelander	2016-05-24	$6,955,000
9080522	Engine efficiency system for a vehicle and method of operating an engine efficiency system	Thomas M. Bishop	2015-07-14	$6,417,000
9057295	Positive crankcase ventilation system	—	2015-06-16	$11,757,000
8967110	Engine front cover with rotational support insert	Charles K. Buehler, David R. Staley	2015-03-03	$6,530,000
8955500	Positive crankcase ventilation system	Ronald J. Pierik	2015-02-17	$16,413,000
8905010	Positive crankcase ventilation system for a two-cylinder engine	Jason G. Kohler	2014-12-09	$11,528,000
8899190	Temperature dependent flow control for combustion engine piston squirters	—	2014-12-02	$11,608,000
8887704	Engine assembly with engine block-mounted air-oil separator and method of ventilating an engine crankcase	Michael B. Fleck, Kenneth James Patton	2014-11-18	$6,540,000
8844506	Positive crankcase ventilation system	Alan E. Rice	2014-09-30	$7,115,000
8739768	Introduction of ventilation gases via individual passages to the intake ports	Michael B. Fleck, Kevin M. Luchansky	2014-06-03	$8,539,000
8695339	Blowby flow control system for a turbocharged engine	—	2014-04-15	$12,435,000
8602008	Positive crankcase ventilation system	Thomas M. Bishop	2013-12-10	$5,499,000
8585547	System and method for preventing icing in positive crankcase ventilation systems	Grant K. Tappen	2013-11-19	$6,680,000
8561590	Oil pan for an internal combustion engine	—	2013-10-22	$7,121,000
8505520	Engine assembly including positive crankcase ventilation with oil surge protection	Steven G. Bryde	2013-08-13	$8,298,000
8495993	Engine including crankcase ventilation system oil drain features	Alan E. Rice	2013-07-30	$7,348,000
8408190	Air-oil separator for extracting oil from engine blowby gas	Alan E. Rice	2013-04-02	$5,051,000
8181634	Engine including positive crankcase ventilation	Manmeet S. Pannu, Kevin L. Roussey	2012-05-22	$13,312,000
7866304	Engine fuel boil off management system	Paulo A. Riedel, Leandro D. Nadai, Claudio Engler Pinto	2011-01-11	$12,099,000
7562652	Engine PCV system with hydrophobic, oleophobic membrane for air/oil separation	Daniel J. Hommes	2009-07-21