Patents/Inventors

Douglas W. Beard

Brea, CAUS2 patents

3 Patents

US122218462025
Linear Grease and Hydraulic Valve for Fracking System Maintenance
Pacseal Group, Inc.
0 cites
US119941532024
Hydraulic Control Components for Oil Well Blowout Preventers
Pacseal Group, Inc.
0 cites
US116141042023
Hydraulic Control Components for Oil Well Blowout Preventers
Pacseal Group, Inc.
0 cites