RH

Randall C. Harkema

DT Diesel Technology: 2 patents #8 of 40Top 20%
Robert Bosch Gmbh: 1 patents #10,465 of 19,740Top 55%
📍 Caledonia, MI: #27 of 147 inventorsTop 20%
🗺 Michigan: #15,670 of 86,293 inventorsTop 20%
Overall (All Time): #806,241 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11598299 Fuel filter Philip J. DeVries, Mike Van Allsburg 2023-03-07
9816493 Fuel injection pump Mike Van Allsburg, Philip J. DeVries, Gregg R. Spoolstra 2017-11-14
8756813 Injector remanufacturing William Joseph Rutecki, Thomas Earhart, Todd Foote 2014-06-24
6702207 Fuel injector control module with unidirectional dampening Klaus Seelbach, Todd Foote 2004-03-09
5743238 Fuel pumping and injection systems Stacy Jean Shorey, Beckie J. DeYoung, Kenneth R. Potter, Robert D. Straub 1998-04-28
5636615 Fuel pumping and injection systems Stacy Jean Shorey, Beckie J. DeYoung, Kenneth R. Potter, Robert D. Straub 1997-06-10