Issued Patents All Time
Showing 1–25 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286908 | Valvetrain power transfer module with shortened leaf-spring contact | — | 2025-04-29 |
| 12116909 | Auxiliary framework for electrically latched rocker arms | Douglas Anthony Hughes, Matthew Richard Busdiecker, Petr Liskar, Jiri Cecrle, Michael J. Campbell | 2024-10-15 |
| 11959402 | Variable intake valve closing using through axle rocker arm | — | 2024-04-16 |
| 11713698 | Switch providing on-board diagnostic feedback for electromagnetically actuated latching rocker arm assembly | Michael J. Campbell | 2023-08-01 |
| 11680497 | Oil cooling for electromagnetic latch housed in rocker arm | — | 2023-06-20 |
| 11680535 | On board diagnostic method for electromagnetic latch assembly | Arjun T. R., Amogh Vilas Kank | 2023-06-20 |
| 11326533 | Cylinder deactivation and engine braking for thermal management | James E. McCarthy, Jr. | 2022-05-10 |
| 11300061 | Two stroke engine braking via cylinder deactivation and late intake valve closing | James E. McCarthy, Jr., Mihai Dorobantu | 2022-04-12 |
| 11261764 | Two step rocker arm having side by side roller configuration | James E. McCarthy, Jr. | 2022-03-01 |
| 11156133 | Variable intake valve closing using through axle rocker arm | — | 2021-10-26 |
| 11143064 | Electromagnetic latch assembly with flexible latch pin coupling | Austin Robert Zurface, Brian Karl VanDeusen | 2021-10-12 |
| 11125125 | Leaf spring sliding contact for electrically actuated rocker arm assembly | Jiri Cecrle, Michael J. Campbell | 2021-09-21 |
| 11078810 | Three roller rocker arm with pump-down stop | Matthew A. Vance | 2021-08-03 |
| 11015492 | Lower travel deactivating lash adjuster when combined with two-step variable valve lift rocker arm | — | 2021-05-25 |
| 11008900 | Sliding contact for electrically actuated rocker arm | Petr Liskar, Jiri Cecrle, Michael J. Campbell, Tomas Drabek, James E. McCarthy, Jr. +8 more | 2021-05-18 |
| 11002156 | Non-contacting actuator for rocker arm assembly latches | Douglas Anthony Hughes, Matthew Richard Busdiecker, Mark A. Juds | 2021-05-11 |
| 10995637 | Switching roller finger follower for valvetrain | Santosh Patil, Matthew A. Vance, James E. McCarthy, Jr. | 2021-05-04 |
| 10865662 | Anti-rotation feature for followers using an oil gallery insert | — | 2020-12-15 |
| 10815839 | Two step rocker arm having side by side roller configuration | James E. McCarthy, Jr. | 2020-10-27 |
| 10731518 | Sliding contact for electrically actuated rocker arm | Petr Liskar, Jiri Cecrle, Michael J. Campbell, Tomas Drabek, James E. McCarthy, Jr. +8 more | 2020-08-04 |
| 10731517 | Valvetrain with rocker arm housing magnetic latch | Petr Liskar, James E. McCarthy, Jr., Nicholas Peter Gillette, Andrei Dan Radulescu | 2020-08-04 |
| 10731516 | Sliding spring contacts providing electrical power to rocker arms | Andrew Lee, Michael J. Campbell, Austin Robert Zurface | 2020-08-04 |
| 10662825 | Control based on magnetic circuit feedback | Douglas Anthony Hughes, Matthew Richard Busdiecker | 2020-05-26 |
| 10662826 | OBD based on magnetic circuit feedback | Douglas Anthony Hughes, Matthew Richard Busdiecker | 2020-05-26 |
| 10358951 | Sliding contact for electrically actuated rocker arm | Petr Liskar, Jiri Cecrle, Michael J. Campbell, Tomas Drabek, James E. McCarthy, Jr. +8 more | 2019-07-23 |