Inventor
SCHWOERER JOHN A
US20 patents
⚠️ This page may combine multiple inventors who share the name “SCHWOERER JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JACOBS VEHICLE SYSTEMS INC
10 patentsUS7712449B1May 11, 2010
Lost motion variable valve actuation system for engine braking and early exhaust opening
JACOBS VEHICLE SYSTEMS INC79 citations97
US6883492B2Apr 26, 2005
Compact lost motion system for variable valve actuation
JACOBS VEHICLE SYSTEMS INC82 citations96
US7059282B2Jun 13, 2006
Variable lost motion valve actuator and method
JACOBS VEHICLE SYSTEMS INC33 citations90
US7284533B1Oct 23, 2007
Method of operating an engine brake
JACOBS VEHICLE SYSTEMS INC18 citations83
US8776738B2Jul 15, 2014
Variable lost motion valve actuator and method
JACOBS VEHICLE SYSTEMS INC5 citations80
US11230951B2Jan 25, 2022
Lost motion variable valve actuation systems and methods
JACOBS VEHICLE SYSTEMS INC2 citations70
US12297757B2May 13, 2025
Lost motion variable valve actuation systems and method
JACOBS VEHICLE SYSTEMS INC0 citations59
US11149599B2Oct 19, 2021
Systems and methods for IEGR using secondary intake valve motion and lost-motion reset
JACOBS VEHICLE SYSTEMS INC0 citations51
US11131222B2Sep 28, 2021
Engine valve actuation with handoff control between cooperative valve actuation motions
JACOBS VEHICLE SYSTEMS INC0 citations51
US10329969B2Jun 25, 2019
System and method of adjusting actuation timing of valves in a piston engine
JACOBS VEHICLE SYSTEMS INC0 citations34
DIESEL ENGINE RETARDERS INC
4 patentsUS6510824B2Jan 28, 2003
Variable lost motion valve actuator and method
DIESEL ENGINE RETARDERS INC130 citations96
US6474277B1Nov 5, 2002
Method and apparatus for valve seating velocity control
DIESEL ENGINE RETARDERS INC55 citations95
US6273057B1Aug 14, 2001
Hydraulically-actuated fail-safe stroke-limiting piston
DIESEL ENGINE RETARDERS INC55 citations92
US6302370B1Oct 16, 2001
Valve seating control device with variable area orifice
DIESEL ENGINE RETARDERS INC47 citations91