Inventor
HUTCHISON ERIC A
US6 patents
Patents
6 patentsUS5189940AMar 2, 1993
Method and apparatus for controlling an implement
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US5350152ASep 27, 1994
Displacement controlled hydraulic proportional valve
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US5218895AJun 15, 1993
Electrohydraulic control apparatus and method
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US5642653AJul 1, 1997
Method and apparatus for providing detents on an electronic control handle
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US5316044AMay 31, 1994
Hydraulic control valve having a centering spring device
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US9683498B2Jun 20, 2017
Turbocharger compressor anti-surge engine control strategy and method
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