CD

Chester G. DuBois

OM Outboard Marine: 25 patents #8 of 426Top 2%
BA Buehler Ag: 1 patents #45 of 100Top 45%
📍 Zion, IL: #2 of 86 inventorsTop 3%
🗺 Illinois: #2,532 of 84,256 inventorsTop 4%
Overall (All Time): #156,670 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
5672093 Specimen load control mechanism for automatic polishing apparatus 1997-09-30
RE35040 Pressure and temperature relief valve and diaphragm valve 1995-09-26
5256091 Shift interlock system David F. Haman 1993-10-26
5048996 Universal connector for retaining and linking members Kurt Dembski 1991-09-17
5048751 Pressure and temperature relief valve and diaphragm valve 1991-09-17
4947807 Internal combustion engine John D. Flaig, Gene F. Baltz, Henry C. Billingsley, David Hartke, James A. Holcomb +1 more 1990-08-14
4831979 Wrist pin lubrication system for two-cycle engines David F. Haman 1989-05-23
4757792 Internal combustion engine John D. Flaig, Gene F. Baltz, Henry C. Billingsley, David J. Hartke, James A. Holcomb +1 more 1988-07-19
RE32577 Fluid pumping device for use with a fluid pump 1988-01-12
4577608 Carburetion system including an adjustable throttle linkage John D. Flaig 1986-03-25
4573932 Electrical fluid pumping device including first and second pumping portions 1986-03-04
4566424 Flexible coupling for carburetors Henry C. Billingsley 1986-01-28
4557224 Mechanism for producing audible warning in response to coolant system failure 1985-12-10
4555221 Fluid pumping device for use with a fluid pump 1985-11-26
4551076 Fluid driven pump with one-way valve in fluid inlet 1985-11-05
4506649 Vent system Paul R. Hunt 1985-03-26
4466412 Priming and acceleration fuel enrichment system for an internal combustion engine Richard McChesney 1984-08-21
4462945 Control mechanism for a carburetor Peter W. Brown, David J. Hartke, Paul R. Hunt 1984-07-31
4382047 Carburetor for internal combustion engine Peter W. Brown, Richard McChesney 1983-05-03
4373479 Fuel system providing priming and automatic warm up Henry C. Billingsley 1983-02-15
4327770 Quick disconnect fluid line coupling Peter W. Brown, David J. Hartke, Paul R. Hunt 1982-05-04
4312314 Acceleration fuel enrichment system for an internal combustion engine Richard McChesney 1982-01-26
4309968 Fuel primer and enrichment system for an internal combustion engine 1982-01-12
4294780 Temperature compensator for a carburetor choke valve Richard P. Hulsebus 1981-10-13
4286553 Integrated fuel primer and crankcase drain system for internal combustion engine Gene F. Baltz 1981-09-01