Inventor
HOLGATE BEN CALVIN
US5 patents
Patents
5 patentsUS9261196B2Feb 16, 2016
Valve body filtration system
GE OIL & GAS PRESSURE CONTROL LP8 citations82
US9249888B2Feb 2, 2016
Non-welded hardface gate and seats
GE OIL & GAS PRESSURE CONTROL LP12 citations82
US9194509B2Nov 24, 2015
Power boost assist closed device for actuators
GE OIL & GAS PRESSURE CONTROL LP11 citations82
US9909386B2Mar 6, 2018
Selector valve for high pressure hydrocarbon production operations
GE OIL & GAS PRESSURE CONTROL LP4 citations67
US9790765B2Oct 17, 2017
Non-parallel multi-bore sealing device
GE OIL & GAS PRESSURE CONTROL LP0 citations43