Bridgeless, single output, coupled hydraulic rocker arm
US-2026085625-A1 · Mar 26, 2026 · US
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Mandell John patents
Mandell John is listed as an inventor on 31 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Mandell John |
| Total patents | 31 |
| First publication | Aug 29, 2019 |
| Latest publication | Mar 26, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Valve actuation system comprising a discrete lost motion device
US-2025389211-A1 · Dec 25, 2025 · US
Valve actuation system comprising a discrete lost motion device
US-12435649-B2 · Oct 7, 2025 · US
System and method for actuating engine valves including a recompression relief valve event
US-2025116213-A1 · Apr 10, 2025 · US
System and method for actuating engine valves including a recompression relief valve event
US-12270322-B1 · Apr 8, 2025 · US
System facilitating cylinder deactivation and 1.5-stroke engine braking operation in an internal combustion engine
US-12264605-B2 · Apr 1, 2025 · US
Rocker arm with outwardly sprung hydraulic actuator piston
US-2024280036-A1 · Aug 22, 2024 · US
Valve actuation system comprising rocker assemblies with one-way coupling therebetween
US-12018599-B1 · Jun 25, 2024 · US
Valve actuation system comprising rocker assemblies with one-way coupling therebetween
US-2024200476-A1 · Jun 20, 2024 · US
System facilitating cylinder deactivation and 1.5-stroke engine braking operation in an internal combustion engine
US-2024183291-A1 · Jun 6, 2024 · US
Recent patents
Latest publications not already listed above.
Discrete lost motion device
US-2024125254-A1 · Apr 18, 2024 · US
Valve actuation system comprising a discrete lost motion device
US-2024125253-A1 · Apr 18, 2024 · US
Valve actuation system comprising parallel lost motion components deployed in a rocker arm and valve bridge
US-11619147-B2 · Apr 4, 2023 · US
Two-step valve closing rocker assembly
US-2023081789-A1 · Mar 16, 2023 · US
Valve actuation system comprising parallel lost motion components deployed in a rocker arm and valve bridge
US-2023015394-A1 · Jan 19, 2023 · US
Valve actuation system comprising at least two rocker arms and a one-way coupling mechanism
US-11486274-B2 · Nov 1, 2022 · US
Valve actuation system comprising finger follower for lobe switching and single source lost motion
US-11300014-B2 · Apr 12, 2022 · US
Lash adjuster control in engine valve actuation systems
US-11255226-B2 · Feb 22, 2022 · US
Finger follower for lobe switching and single source lost motion
US-11208921-B2 · Dec 28, 2021 · US
Valve actuation system comprising two rocker arms and a collapsing mechanism
US-11181012-B2 · Nov 23, 2021 · US
Type II valvetrain and hydraulic engine brake arrangement
US-11181018-B1 · Nov 23, 2021 · US
Valve actuation system comprising finger follower for lobe switching and single source lost motion
US-2021340886-A1 · Nov 4, 2021 · US
Finger follower for lobe switching and single source lost motion
US-11060426-B2 · Jul 13, 2021 · US
Valve bridge systems comprising valve bridge guide
US-11053819-B2 · Jul 6, 2021 · US
Finger follower for lobe switching and single source lost motion
US-2020291826-A1 · Sep 17, 2020 · US
Valve bridge systems comprising valve bridge guide
US-2020263571-A1 · Aug 20, 2020 · US
Finger follower for lobe switching and single source lost motion
US-2020182107-A1 · Jun 11, 2020 · US
Valve actuation system comprising at least two rocker arms and a one-way coupling mechanism
US-2020182103-A1 · Jun 11, 2020 · US
Rocker arm control systems
US-10634019-B2 · Apr 28, 2020 · US
Rocker arm control systems
US-2019277170-A1 · Sep 12, 2019 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Jacobs Vehicle Systems Inc | 30 |
| Cummins Inc | 3 |
| Deere & Co | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F01L2305/00 | 21 |
| F01L1/181 | 19 |
| F01L1/267 | 18 |
| F01L13/065 | 17 |
| F01L13/0005 | 17 |