DS

David L. Speirs

WA Walbro: 25 patents #3 of 212Top 2%
WL Walbro Engine Management, L.L.C.: 7 patents #6 of 85Top 8%
Microsoft: 2 patents #17,506 of 40,388Top 45%
MN Mitel Networks: 1 patents #110 of 257Top 45%
Overall (All Time): #96,871 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 25 most recent of 35 patents

Patent #TitleCo-InventorsDate
12421924 Fuel supply assembly with in-tank reservoir Bryan K. Gangler, Jacob R. Mikulak, Bradley J. Roche 2025-09-23
12385457 Method of controlling a fuel injector Jeffrey C. Hoppe, Duried F. Rabban, Bradley J. Roche 2025-08-12
12123374 Fuel supply device with injector and vapor management William E. Galka, Bryan K. Gangler, Jeffrey C. Hoppe, Adam M. McGilton, Bradley J. Roche +1 more 2024-10-22
12012920 Charge forming device with throttle valve Jeffrey C. Hoppe, Duried F. Rabban, Bradley J. Roche 2024-06-18
11927164 Low pressure fuel and air charge forming device for a combustion engine Gary J. Burns, Andreas D. Dixon, Eric G. Zbytowski, Albert L. Sayers, Justin T. Dolane +3 more 2024-03-12
11920544 Fuel supply device with injector and vapor management William E. Galka, Bryan K. Gangler, Jeffrey C. Hoppe, Adam M. McGilton, Bradley J. Roche +1 more 2024-03-05
11885430 Electromechanical valve and method of assembly Bradley J. Roche, William E. Galka, Jeffrey C. Hoppe, Ernesto O. Basanez 2024-01-30
11781493 Throttle body with fluid flow control Gary J. Burns, William E. Galka, Bradley J. Roche, Albert L. Sayers 2023-10-10
11655788 Charge forming device with throttle valve Jeffrey C. Hoppe, Duried F. Rabban, Bradley J. Roche 2023-05-23
11536235 Low pressure fuel and air charge forming device for a combustion engine Gary J. Burns, Andreas D. Dixon, Eric G. Zbytowski, Albert L. Sayers, Justin T. Dolane +3 more 2022-12-27
11268455 Throttle body with fluid flow control Gary J. Burns, William E. Galka, Bradley J. Roche, Albert L. Sayers 2022-03-08
11093237 Build isolation system in a multi-system environment Matthew R. Peterson, Carlo Rivera, Max David Bressler 2021-08-17
11073122 Low pressure fuel and air charge forming device for a combustion engine Gary J. Burns, Andreas D. Dixon, Eric G. Zbytowski, Albert L. Sayers, Justin T. Dolane +3 more 2021-07-27
11008951 Low pressure fuel injection system for a multi-cylinder light-duty internal combustion engine Gary J. Burns, William E. Galka, Bradley J. Roche, Albert L. Sayers, Eric G. Zbytowski 2021-05-18
10549631 Fuel pump assembly with removable and/or movable supports Jeffrey D. Hanby, Kevin L. Israelson, Douglas W. Salowitz, Jr., Roger N. Smith, Russell R. Speirs 2020-02-04
10372441 Build isolation system in a multi-system environment Matthew R. Peterson, Carlo Rivera, Max David Bressler 2019-08-06
10259313 Fuel pump assembly with removable supports Jeffrey D. Hanby, Kevin L. Israelson, Douglas W. Salowitz, Jr., Roger N. Smith 2019-04-16
10125696 Charge forming device with throttle valve adjuster Bryan K. Gangler, Bradley J. Roche, Dairoku Suzuki, Eric G. Zbytowski 2018-11-13
10001095 Retainer with grounding feature for fuel system component Kevin L. Israelson, Douglas W. Salowitz, Jr. 2018-06-19
9765724 Fuel injected engine system Massimo Casoni, William E. Galka, Bradley J. Roche, Mark S. Swanson, Eric G. Zbytowski 2017-09-19
9567944 Layered diaphragm George M. Pattullo 2017-02-14
9553440 Wire seal assembly Jeffrey D. Hanby, Kevin L. Israelson, Douglas W. Salowitz, Jr., Roger N. Smith 2017-01-24
9464577 Rotary position sensor with buffer William E. Galka 2016-10-11
9371786 Fuel injected engine system Massimo Casoni, William E. Galka, Bradley J. Roche, Mark S. Swanson, Eric G. Zbytowski 2016-06-21
9217403 Level sensor mount Kenneth J. Cotton, Kevin L. Israelson, Douglas W. Salowitz, Jr., Roger N. Smith 2015-12-22