Assignee
PROSERV OPERATIONS INC
US21 patents
Top patents by PatentIndex Score
US10487951B2Nov 26, 2019
Non-interflow directional control valve
PROSERV OPERATIONS INC7 citations82
US9719600B2Aug 1, 2017
Hard swap shuttle valve
PROSERV OPERATIONS INC8 citations82
US9423031B2Aug 23, 2016
Key seal and valve
PROSERV OPERATIONS INC16 citations80
US11209096B2Dec 28, 2021
Bilateral and throttling directional control valve
PROSERV OPERATIONS INC4 citations71
US11054050B2Jul 6, 2021
Valve with press-fit insert
PROSERV OPERATIONS INC5 citations71
US11022226B2Jun 1, 2021
Microfluidic valve
PROSERV OPERATIONS INC2 citations71
US10739796B2Aug 11, 2020
Pressure regulator with reconfigurable hydraulic dampening
PROSERV OPERATIONS INC6 citations71
US10670155B2Jun 2, 2020
Latching poppet valve
PROSERV OPERATIONS INC5 citations71
US10633951B2Apr 28, 2020
Pressure regulator with user selectable dampening
PROSERV OPERATIONS INC5 citations71
US10591076B2Mar 17, 2020
Low friction hydraulic circuit control components
PROSERV OPERATIONS INC4 citations71
US10196877B2Feb 5, 2019
Modular directional control valve
PROSERV OPERATIONS INC2 citations71
US10584561B2Mar 10, 2020
Dirty fluid pressure regulator and control valve
PROSERV OPERATIONS INC3 citations69
US9982511B2May 29, 2018
Dirty fluid pressure regulator and control valve
PROSERV OPERATIONS INC5 citations69
US10385982B2Aug 20, 2019
Robust in-line valve
PROSERV OPERATIONS INC4 citations66
US11976738B2May 7, 2024
Low friction hydraulic circuit control components
PROSERV OPERATIONS INC0 citations61
US11713824B2Aug 1, 2023
Valve with press-fit insert
PROSERV OPERATIONS INC0 citations61
US9880566B2Jan 30, 2018
Dynamic variable orifice
PROSERV OPERATIONS INC0 citations51
US9657850B2May 23, 2017
High performance subsea pressure regulator
PROSERV OPERATIONS INC1 citations51
US10364893B2Jul 30, 2019
Key seal and valve
PROSERV OPERATIONS INC0 citations48
US9915275B2Mar 13, 2018
Stacked shuttle valve
PROSERV OPERATIONS INC0 citations40
US10133282B2Nov 20, 2018
Shuttle valve with durable soft seal
PROSERV OPERATIONS INC0 citations39