Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MH

Mark Hemingway — 25 Patents

Delphi Technologies: 22 patents #56 of 4,124Top 2%
General Motors: 2 patents #6,303 of 18,328Top 35%
Burton, MI: #1 of 83 inventorsTop 2%
Michigan: #2,912 of 86,293 inventorsTop 4%
Overall (All Time): #158,593 of 4,157,543Top 4%
25 Patents All Time
Mark Hemingway has been granted 25 US patents while listed as an inventor at Delphi Technologies. The first was granted in 1992 and the most recent in October 2011. Mark Hemingway ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Mark Hemingway in Burton, MI, US.

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8037674 System and method of NOx abatement Joachim Kupe, James Zizelman, Jean Botti, Haskell Simpkins, William LaBarge +4 more 2011-10-18
7614222 System and method for directing fluid flow Haskell Simpkins, Joachim Kupe 2009-11-10
7472545 Engine exhaust emission control system providing on-board ammonia generation Brian Christopher, Michael P. Thornton 2009-01-06
7402292 Device and methods of ammonia generation for NOx abatement William LaBarge, Haskell Simpkins 2008-07-22
7240484 Exhaust treatment systems and methods for using the same Bob Li, Joseph V. Bonadies, Joachim Kupe 2007-07-10
6878348 Design and method of manufacturing a plasma reactor for treating auto emissions-stacked shapes David Emil Nelson, Gregory Stephen Sims 2005-04-12 $876,000
6864213 Alkaline earth / rare earth lean NOx catalyst William LaBarge, Joachim Kupe, Galen B. Fisher 2005-03-08 $1,522,000
6852200 Non-thermal plasma reactor gas treatment system William LaBarge, Joachim Kupe, Haskell Simpkins 2005-02-08 $2,103,000
6835358 Non-thermal plasma reactor for lower power consumption Thomas Thoreson, David A. Goulette, Joachim Kupe 2004-12-28 $2,646,000
6800256 Scaleable inter-digitized tine non-thermal plasma reactor David Emil Nelson, Thomas W. Silvis, Bob Li 2004-10-05 $1,100,000
6692704 Non-thermal plasma reactor and method-structural conductor David Emil Nelson, Bob Li, Suresh Baskaran, Joachim Kupe, Gregory Stephen Sims +3 more 2004-02-17 $1,504,000
6670296 Alumina/zeolite lean NOx catalyst William LaBarge, Joachim Kupe, Galen B. Fisher 2003-12-30 $1,675,000
6624113 Alkali metal/alkaline earth lean NOx catalyst William LaBarge, Joachim Kupe, Galen B. Fisher 2003-09-23 $1,664,000
6576587 High surface area lean NOx catalyst William LaBarge, Joachim Kupe, Galen B. Fisher 2003-06-10 $2,610,000
6537507 Non-thermal plasma reactor design and single structural dielectric barrier David Emil Nelson, Bob Li, Darrell R. Herling, Suresh Baskaran 2003-03-25 $2,219,000
6489259 Mixed zeolite NOx catalyst William LaBarge, Joachim Kupe, Galen B. Fisher 2002-12-03 $13,637,000
6482368 Non-thermal plasma reactor for lower power consumption Thomas Thoreson 2002-11-19 $1,495,000
6464945 Non-thermal plasma exhaust NOx reactor 2002-10-15 $1,458,000
6455463 Alkaline earth/transition metal lean NOx catalyst William LaBarge, Joachim Kupe, Galen B. Fisher 2002-09-24 $1,004,000
6423190 Pulse density modulation for uniform barrier discharge in a nonthermal plasma reactor David A. Goulette, Eugene V. Ripley, Darrell R. Herling 2002-07-23 $1,006,000
6407032 Poison resistant lean NOx catalyst William LaBarge, Joachim Kupe, Galen B. Fisher 2002-06-18 $2,215,000
6338827 Stacked shape plasma reactor design for treating auto emissions David Emil Nelson, Gregory Stephen Sims 2002-01-15 $4,658,000
5910293 Exhaust management system control Nicholas Alexander Pamphilis 1999-06-08
5510086 Adcat exhaust treatment device George A. English 1996-04-23
5119072 Apparatus for monitoring child activity 1992-06-02