DF

David L. Fehr

GM Graco Minnesota: 11 patents #61 of 381Top 20%
Overall (All Time): #444,795 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12092090 Electrically operated displacement pump control system and method Bradley H. Hines, Paul W. Scheierl, Brian W. Koehn, Jacob D. Higgins, Benjamin J. Paar 2024-09-17
11655810 Electrically operated displacement pump control system and method Bradley H. Hines, Paul W. Scheierl, Brian W. Koehn, Jacob D. Higgins, Benjamin J. Paar 2023-05-23
11434892 Electrically operated displacement pump assembly Bradley H. Hines, Paul W. Scheierl, Brian W. Koehn, Jacob D. Higgins, Benjamin J. Paar 2022-09-06
11174854 Electrically operated displacement pump control system and method Bradley H. Hines, Paul W. Scheierl, Brian W. Koehn, Jacob D. Higgins, Benjamin J. Paar 2021-11-16
11148152 Pump changeover algorithm for spray system John R. Ingebrand, Jeffrey U. Shaffer 2021-10-19
11045830 Spray system pump wash sequence Dennis J. Van Keulen 2021-06-29
10688509 Spray system pressure differential monitoring John R. Ingebrand, Dennis J. Van Keulen 2020-06-23
10300504 Spray system pump wash sequence Dennis J. Van Keulen 2019-05-28
10195621 Pump changeover algorithm for spray system John R. Ingebrand, Jeffrey U. Shaffer 2019-02-05
10195622 Spray system pressure differential monitoring John R. Ingebrand, Dennis J. Van Keulen 2019-02-05
9901945 Spray system pump wash sequence Dennis J. Van Keulen 2018-02-27