William McCaffrey
10Patents
5h-index
13Co-inventors
63Inventor score
Filing activity: Jul 1, 1992 → Dec 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5273111A | Laterally and vertically staggered horizontal well hydrocarbon recovery method | Fixed Constructions | 74 | Expired |
| US5860475A | Mixed well steam drive drainage process | Fixed Constructions | 42 | Expired |
| US5417283A | Mixed well steam drive drainage process | Fixed Constructions | 30 | Expired |
| US7549119B2 | Method and system for filtering website content | Physics | 7 | Expired |
| US10145226B2 | Steam-solvent-gas process with additional horizontal production wells to enhance heavy oil / bitumen recovery | Fixed Constructions | 7 | Active |
| US8727781B2 | Online educational system with multiple navigational modes | Physics | 4 | Active |
| US8731454B2 | E-learning lesson delivery platform | Physics | 3 | Active |
| US8740620B2 | Language teaching system that facilitates mentor involvement | Physics | 2 | Active |
| US11725147B2 | Volatile content measurement in process streams such as froth treatment tailings | Physics | 0 | Active |
| US10408743B2 | In situ analysis of petroleum stability | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.