Inventor · disambiguated record
Douglas A. Doers
Also filed as: DOERS DOUGLAS A
8 granted patents·4 pending applications·40 citations·filing 2000–2020
85Inventor score
Top patents by PatentIndex Score
12 records- 0193US10458307B2Two-cycle diesel engine configured for operation with high temperature combustion chamber surfacesDELTAHAWK ENGINES INC·Filed 2018·Granted Oct 29, 2019·7 cites·20 claims
- 0274US10711681B2Two-cycle diesel engine configured for operation with high temperature combustion chamber surfacesDELTAHAWK ENGINES INC·Filed 2019·Granted Jul 14, 2020·0 cites·20 claims
- 0365US7836815B2Lubricant-cooled and wristpin lubricating pistonDELTAHAWK ENGINES INC·Filed 2007·Granted Nov 23, 2010·4 cites·45 claims
- 0465USRE40500EInternal combustion engineDELTAHAWK ENGINES INC·Filed 2006·Granted Sep 16, 2008·6 cites·167 claims
- 0562US6769383B2Internal combustion engineDELTAHAWK INC·Filed 2003·Granted Aug 3, 2004·10 cites·20 claims
- 0662US2020291844A1Two-Cycle Diesel Engine Configured for Operation with High Temperature Combustion Chamber SurfacesDELTAHAWK ENGINES INC·Filed 2020·Application pending·0 cites
- 0760US8371279B2Crankcase pressure regulator for an internal combustion engineDELTAHAWK ENGINES INC·Filed 2009·Granted Feb 12, 2013·3 cites·17 claims
- 0859USRE41335EInternal combustion engineDELTAHAWK ENGINES INC·Filed 2005·Granted May 18, 2010·4 cites·16 claims
- 0951US6622667B1Internal combustion engineDELTAHAWK INC·Filed 2000·Granted Sep 23, 2003·6 cites·7 claims
- 1038US2005235946A1Internal combustion engineDOERS DOUGLAS A·Filed 2005·Application pending·0 cites
- 1134US2018023489A1Single Input Engine Controller and SystemDELTAHAWK ENGINES INC·Filed 2017·Application pending·0 cites
- 1232US2005211089A1Lubricant-cooled and wristpin lubricating pistonDOERS DOUGLAS A·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →