WM

William A. McPhee

DI Dresser Industries: 8 patents #16 of 787Top 3%
WI Western Atlas International: 3 patents #49 of 314Top 20%
📍 Houston, TX: #1,833 of 21,073 inventorsTop 9%
🗺 Texas: #12,559 of 125,132 inventorsTop 15%
Overall (All Time): #412,923 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
11211616 Modular electrochemical cell components, stacks, systems, and method of manufacture Mark E. Dristy, Trent M. Molter, Joshua S. Preston, Gregory Hesler 2021-12-28
4913053 Method of increasing the detonation velocity of detonating fuse 1990-04-03
4860654 Implosion shaped charge perforator Manmohan S. Chawla 1989-08-29
4790385 Method and apparatus for perforating subsurface earth formations Gerald B. McClure 1988-12-13
4765409 Automatic separation device for use with wireline conveyed perforating gun Gerald B. McClure 1988-08-23
4669384 High temperature shaped charge perforating apparatus Manmohan S. Chawla 1987-06-02
4643097 Shaped charge perforating apparatus Manmohan S. Chawla 1987-02-17
4523650 Explosive safe/arm system for oil well perforating guns Steven D. Sehnert, Gerald B. McClure 1985-06-18
4428440 Perforating apparatus energy absorber and explosive charge holder 1984-01-31
4387773 Shaped charge well perforator 1983-06-14
4314614 Method and apparatus for disarming and arming explosive oil well perforators Timothy G. Golian 1982-02-09
4280568 Sidewall sampling apparatus Junius L. Speights 1981-07-28