GC

Gregory T. Coolidge

PA Parker-Hannifin: 9 patents #37 of 1,656Top 3%
CL Commercial Intertech Limited: 1 patents #3 of 11Top 30%
📍 Elyria, OH: #33 of 293 inventorsTop 15%
🗺 Ohio: #8,027 of 73,341 inventorsTop 15%
Overall (All Time): #504,275 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10590962 Directional control valve Brian Slattery, Kurt Boey 2020-03-17
10281934 Hydraulic control valve with controlled flow and valve safety disable 2019-05-07
10156246 Directional control valve 2018-12-18
9810334 Pressure limited flow priority boost 2017-11-07
9689500 Pressure limited flow spool 2017-06-27
9683586 Hydraulic sectional control valve with multiple relief slots 2017-06-20
9429175 Pressure compensated hydraulic system having differential pressure control 2016-08-30
9027589 Hydraulic valve with pressure limiter 2015-05-12
7921878 Control valve with load sense signal conditioning 2011-04-12
5699665 Control system with induced load isolation and relief 1997-12-23