Inventor

LESTER JOHN J

US6 patents

⚠️ This page may combine multiple inventors who share the name “LESTER JOHN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JACOBS VEHICLE SYSTEMS INC

4 patents

US10851717B2Dec 1, 2020

Combined engine braking and positive power engine lost motion valve actuation system

JACOBS VEHICLE SYSTEMS INC3 citations70

US9410455B2Aug 9, 2016

Rocker latch for controlling engine valve actuation

JACOBS VEHICLE SYSTEMS INC2 citations60

US12188420B2Jan 7, 2025

Combined engine braking and positive power engine lost motion valve actuation system

JACOBS VEHICLE SYSTEMS INC0 citations59

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

DIESEL ENGINE RETARDERS INC

1 patent

US6694933B1Feb 24, 2004

Lost motion system and method for fixed-time valve actuation

DIESEL ENGINE RETARDERS INC61 citations92

GROTH KEVIN P

1 patent

US8936006B2Jan 20, 2015

Combined engine braking and positive power engine lost motion valve actuation system

GROTH KEVIN P23 citations85