Ann Arbor, Michigan
United States
6
2016-03-17
The entities that hold a legal rights for patent applications filed by inventor Butwin John:
John Butwin from Ann Arbor, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Regulator valve with integrated direct acting solenoid
#2 | 2014-06-12Accumulator for maintaining hydraulic pressure following an engine restart
#3 | 2013-03-07Latch valve for actuating a transmission control element
#4 | 2013-01-31Regulator valve with integrated direct acting solenoid
#5 | 2010-12-16Latching pressure regulator
#6 | 2010-10-14Closed-loop torque phase control for shifting automatic transmission gear ratios based on friction element load sensing
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