Jacobs Vehicle Systems, Inc.
108Patents
90Active
108Granted
54Portfolio score
Filing activity: Dec 13, 2001 → Oct 4, 2024 · 18 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6883492B2 | Compact lost motion system for variable valve actuation | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US7712449B1 | Lost motion variable valve actuation system for engine braking and early exhaust opening | Mechanical Engineering; Lighting; Heating | 36 | Active |
| US6827067B1 | System and method for internal exhaust gas recirculation | Emerging Cross-Sectional Technologies | 28 | Expired |
| US7905208B2 | Valve bridge with integrated lost motion system | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7059282B2 | Variable lost motion valve actuator and method | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US7156062B2 | Valve actuation system with valve seating control | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US8578901B2 | Valve bridge with integrated lost motion system | Emerging Cross-Sectional Technologies | 24 | Active |
| US7673600B2 | Method and system for partial cycle bleeder brake | Mechanical Engineering; Lighting; Heating | 22 | Active |
| US9016249B2 | Integrated lost motion rocker brake with automatic reset | Mechanical Engineering; Lighting; Heating | 22 | Active |
| US8851048B2 | Dedicated rocker arm engine brake | Mechanical Engineering; Lighting; Heating | 21 | Active |
| US9790824B2 | Lost motion valve actuation systems with locking elements including wedge locking elements | Mechanical Engineering; Lighting; Heating | 20 | Active |
| US7162996B2 | Engine braking methods and apparatus | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US7565896B1 | Method for variable valve actuation to provide positive power and engine braking | Mechanical Engineering; Lighting; Heating | 17 | Active |
| US7392772B2 | Primary and offset actuator rocker arms for engine valve actuation | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US7559300B2 | Multiple slave piston valve actuation system | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| USRE39258E1 | Multi-cycle, engine braking with positive power valve actuation control system and process for using the same | General | 15 | Expired |
| US8528508B2 | Individual rocker shaft and pedestal mounted engine brake | Mechanical Engineering; Lighting; Heating | 14 | Active |
| US8627791B2 | Primary and auxiliary rocker arm assembly for engine valve actuation | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US7823553B2 | Engine brake having an articulated rocker arm and a rocker shaft mounted housing | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US8936006B2 | Combined engine braking and positive power engine lost motion valve actuation system | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US7882810B2 | Variable lost motion valve actuator and method | Emerging Cross-Sectional Technologies | 11 | Active |
| US7284533B1 | Method of operating an engine brake | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US7484483B2 | System and method for variable valve actuation in an internal combustion engine | Emerging Cross-Sectional Technologies | 10 | Expired |
| US8151763B2 | Bias system for dedicated engine braking rocker arm in a lost motion system | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US6920868B2 | System and method for modifying engine valve lift | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.