Inventor
GRON JR G MICHAEL
US22 patents
⚠️ This page may combine multiple inventors who share the name “GRON JR G MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JACOBS VEHICLE SYSTEMS INC
17 patentsUS9790824B2Oct 17, 2017
Lost motion valve actuation systems with locking elements including wedge locking elements
JACOBS VEHICLE SYSTEMS INC42 citations93
US9347383B2May 24, 2016
Intra-cylinder auxiliary actuation of engine valves through selective discontinuation of main valve events
JACOBS VEHICLE SYSTEMS INC11 citations83
US11230951B2Jan 25, 2022
Lost motion variable valve actuation systems and methods
JACOBS VEHICLE SYSTEMS INC2 citations70
US10883392B2Jan 5, 2021
Valve bridge systems comprising valve bridge guide
JACOBS VEHICLE SYSTEMS INC2 citations68
US9410455B2Aug 9, 2016
Rocker latch for controlling engine valve actuation
JACOBS VEHICLE SYSTEMS INC2 citations60
US12297757B2May 13, 2025
Lost motion variable valve actuation systems and method
JACOBS VEHICLE SYSTEMS INC0 citations59
US11649739B2May 16, 2023
Valve bridge constraints and guides and related methods
JACOBS VEHICLE SYSTEMS INC0 citations58
US11408310B2Aug 9, 2022
Valve actuation system comprising in-series lost motion components for use in cylinder deactivation and auxiliary valve actuations
JACOBS VEHICLE SYSTEMS INC0 citations51
US11319842B2May 3, 2022
Valve bridge comprising concave chambers
JACOBS VEHICLE SYSTEMS INC0 citations51
US11162437B2Nov 2, 2021
Single actuator valve sequencing in cylinder deactivation and high-power density (HPD) braking engine environments
JACOBS VEHICLE SYSTEMS INC0 citations51
US9739184B2Aug 22, 2017
Start of an internal combustion engine with at least one engine valve in an open state during cranking
JACOBS VEHICLE SYSTEMS INC0 citations49
US11401838B2Aug 2, 2022
Rotating actuator system for controlling valve actuation in an internal combustion engine
JACOBS VEHICLE SYSTEMS INC0 citations48
US9512746B2Dec 6, 2016
Apparatus and system comprising collapsing and extending mechanisms for actuating engine valves
JACOBS VEHICLE SYSTEMS INC1 citations48
US12018599B1Jun 25, 2024
Valve actuation system comprising rocker assemblies with one-way coupling therebetween
JACOBS VEHICLE SYSTEMS INC0 citations47
US12264605B2Apr 1, 2025
System facilitating cylinder deactivation and 1.5-stroke engine braking operation in an internal combustion engine
JACOBS VEHICLE SYSTEMS INC0 citations46
US10711662B2Jul 14, 2020
System comprising a pumping assembly operatively connected to a valve actuation motion source or valve train component
JACOBS VEHICLE SYSTEMS INC0 citations41
US10683778B2Jun 16, 2020
Removable valve bridges and valve actuation systems including the same
JACOBS VEHICLE SYSTEMS INC0 citations41