RB

Richard S. Brumm

GR Grove Valve And Regulator: 3 patents #4 of 23Top 20%
CA Cashco: 1 patents #4 of 10Top 40%
📍 Orinda, CA: #197 of 531 inventorsTop 40%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,308,867 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4476730 Orifice meter with pressure venting and equalizing safety device — 1984-10-16
4416301 Annular piston valve — 1983-11-22
4313461 Pilot pressure intensifier — 1982-02-02
4193578 Low torque control valve — 1980-03-18