Inventor
SHULVER DAVID R
CA17 patents
⚠️ This page may combine multiple inventors who share the name “SHULVER DAVID R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MAGNA POWERTRAIN USA INC
9 patentsUS8047822B2Nov 1, 2011
Continuously variable displacement vane pump and system
MAGNA POWERTRAIN USA INC29 citations92
US7794217B2Sep 14, 2010
Variable capacity vane pump with dual control chambers
MAGNA POWERTRAIN USA INC36 citations92
US7997882B2Aug 16, 2011
Reduced rotor assembly diameter vane pump
MAGNA POWERTRAIN USA INC48 citations90
US8651825B2Feb 18, 2014
Variable capacity vane pump with dual control chambers
MAGNA POWERTRAIN USA INC5 citations84
US7832997B2Nov 16, 2010
Variable capacity gerotor pump
MAGNA POWERTRAIN USA INC14 citations84
US9181803B2Nov 10, 2015
Vane pump with multiple control chambers
MAGNA POWERTRAIN USA INC2 citations61
US9534597B2Jan 3, 2017
Vane pump with multiple control chambers
MAGNA POWERTRAIN USA INC0 citations51
US7866287B2Jan 11, 2011
Pump system and decoupler for supplying pressurized hydraulic fluid to a hydraulically actuated valvetrain
MAGNA POWERTRAIN USA INC0 citations41
US10267310B2Apr 23, 2019
Variable pressure pump with hydraulic passage
MAGNA POWERTRAIN USA INC0 citations33
SHULVER DAVID R
5 patentsUS8057201B2Nov 15, 2011
Variable displacement vane pump with dual control chambers
SHULVER DAVID R22 citations91
US8202061B2Jun 19, 2012
Control system and method for pump output pressure control
SHULVER DAVID R16 citations83
US8496445B2Jul 30, 2013
Control system and method for pump output pressure control
SHULVER DAVID R6 citations82
US8079826B2Dec 20, 2011
Vane pump with substantially constant regulated output
SHULVER DAVID R10 citations82
US8297943B2Oct 30, 2012
Pump control using overpressure source
SHULVER DAVID R4 citations61