Butwin; John

Patent Applications and Registrations

Patent applications and USPTO patent grants for Butwin; John.The latest application filed is for "regulator valve with integrated direct acting solenoid".

Company Profile

0.11.9

Butwin; John - Ann Arbor MI
Butwin; John - An Arbor MI

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Regulator valve with integrated direct acting solenoid Grant 10,006,541 - Burkhart , et al. June 26, 2	2018-06-26
Regulator valve with integrated direct acting solenoid Grant 9,441,732 - Burkhart , et al. September 13, 2	2016-09-13
Regulator Valve With Integrated Direct Acting Solenoid App 20160076642 - BURKHART; ROBERT O. ; et al.	2016-03-17
Regulator Valve With Integrated Direct Acting Solenoid App 20150184741 - BURKHART; ROBERT O. ; et al.	2015-07-02
Regulator valve with integrated direct acting solenoid Grant 9,010,374 - Burkhart , et al. April 21, 2	2015-04-21
Latch valve for actuating a transmission control element Grant 8,960,232 - Burkhart , et al. February 24, 2	2015-02-24
Accumulator for Maintaining Hydraulic Pressure Following an Engine Restart App 20140161641 - Pekarsky; Lev ; et al.	2014-06-12
Accumulator for maintaining hydraulic pressure following an engine restart Grant 8,734,293 - Perkarsky , et al. May 27, 2	2014-05-27
Latching pressure regulator Grant 8,490,640 - Mahapatro , et al. July 23, 2	2013-07-23
Latch Valve For Actuating A Transmission Control Element App 20130056657 - Burkhart; Robert O. ; et al.	2013-03-07
Regulator Valve With Integrated Direct Acting Solenoid App 20130026401 - Burkhart; Robert O. ; et al.	2013-01-31
Closed-loop torque phase control for shifting automatic transmission gear ratios based on friction element load sensing Grant 8,255,130 - Fujii , et al. August 28, 2	2012-08-28
Latching Pressure Regulator App 20100313970 - Mahapatro; Hrudaya ; et al.	2010-12-16
Closed-Loop Torque Phase Control for Shifting Automatic Transmission Gear Ratios Based on Friction Element Load Sensing App 20100262344 - Fujii; Yuji ; et al.	2010-10-14
Method and circuit for actively cleaning electrohydraulic valves in a hydraulic control valve circuit Grant 6,170,506 - Butwin , et al. January 9, 2	2001-01-09

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