GS

Gregg R. Spoolstra

DT Diesel Technology: 4 patents #4 of 40Top 10%
Robert Bosch Gmbh: 4 patents #4,370 of 19,740Top 25%
ST Steelcase: 1 patents #504 of 809Top 65%
General Motors: 1 patents #9,361 of 18,328Top 55%
📍 Hudsonville, MI: #35 of 300 inventorsTop 15%
🗺 Michigan: #8,484 of 86,293 inventorsTop 10%
Overall (All Time): #461,362 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9816493 Fuel injection pump Mike Van Allsburg, Philip J. DeVries, Randall C. Harkema 2017-11-14
7353805 Fuel injector pump with trapped volume 2008-04-08
6854962 Pump system with high pressure restriction Robert D. Straub 2005-02-15
6776139 Fuel injector assembly having multiple control valves with a single actuator 2004-08-17
6776143 Fuel injector for an internal combustion engine Scott Goodenough, Tim D. Haas, Thomas Rapp, Aaron M. Jacobs, Michael Dillane +1 more 2004-08-17
6450778 Pump system with high pressure restriction Robert D. Straub 2002-09-17
6276610 Control valve 2001-08-21
6158419 Control valve assembly for pumps and injectors Bryan Thomas Jett 2000-12-12
6019091 Control valve 2000-02-01
5282670 Cable actuated variable stop mechanism Gary Lee Karsten, Kurt R. Heidmann, John C. Fuhs 1994-02-01
4618095 Electromagnetic unit fuel injector with port assist spilldown 1986-10-21