DH

David J. Hartke

BA Bombardier Motor Corporation Of America: 12 patents #3 of 117Top 3%
OM Outboard Marine: 8 patents #42 of 426Top 10%
IT Incep Technologies: 1 patents #7 of 12Top 60%
MM Modine Manufacturing: 1 patents #236 of 442Top 55%
📍 Waukegan, IL: #10 of 352 inventorsTop 3%
🗺 Illinois: #3,068 of 84,256 inventorsTop 4%
Overall (All Time): #181,730 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
11609047 High pressure capable liquid to refrigerant heat exchanger Adam Kimmel, Gregory Mross, Daniela Welchner, Michael Steffen 2023-03-21
11209212 High pressure capable liquid to refrigerant heat exchanger Adam Kimmel, Gregory Mross, Daniela Welchner, Michael Steffen 2021-12-28
6801431 Integrated power delivery and cooling system for high power microprocessors Joseph T. DiBene, II, Edward Derian, James M. Broder 2004-10-05
6695659 Oil system with replaceable oil filter for two-cycle engines Richard P. Kolb 2004-02-24
6644250 Engine oiling system and an oil system distribution manifold, and method of use James C. Kantola, Richard P. Kolb 2003-11-11
6595814 Watercraft fuel supply apparatus and method Richard P. Kolb 2003-07-22
6478642 Oil system with replaceable oil filter for two-cycle engines Richard P. Kolb 2002-11-12
6477992 Oiling system Richard P. Kolb 2002-11-12
6435146 Engine oiling distribution system for purging air and method of use James C. Kantola, Richard P. Kolb 2002-08-20
6422255 Multi-function valve having a movable seat and needle Richard P. Kolb 2002-07-23
6416373 Oil system vent with remote oil reservoir Richard P. Kolb 2002-07-09
6394861 Oil system and housing with periodic oil diversion Richard P. Kolb 2002-05-28
6390033 Oiling system Richard P. Kolb 2002-05-21
6379200 Watercraft fuel supply apparatus and method Richard P. Kolb 2002-04-30
6326895 Fluid level sensor for fluid tanks of boats Richard P. Kolb, James L. Holt 2001-12-04
6244917 Fuel delivery system for a boat Richard P. Kolb 2001-06-12
6012434 Fuel system vapor separator for an internal combustion engine Richard P. Kolb 2000-01-11
5203306 Fuel feed system Henry C. Billingsley, Glenn R. Belec 1993-04-20
5024188 Fuel supply system component assembly Kathleen A. Appelt 1991-06-18
4757792 Internal combustion engine John D. Flaig, Gene F. Baltz, Henry C. Billingsley, James A. Holcomb, Chester G. DuBois +1 more 1988-07-19
4498434 Fuel priming system with integral auxilliary enrichment feature Gene F. Baltz, Amos M. Clark, Donovan K. Jourdan 1985-02-12
4462945 Control mechanism for a carburetor Peter W. Brown, Chester G. DuBois, Paul R. Hunt 1984-07-31
4327770 Quick disconnect fluid line coupling Peter W. Brown, Chester G. DuBois, Paul R. Hunt 1982-05-04