Guy B. Spear
9Patents
3h-index
17Co-inventors
54Inventor score
Filing activity: Nov 30, 1990 → Oct 17, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8522863B2 | Propellant fracturing system for wells | Fixed Constructions | 17 | Active |
| US7621429B2 | Piston tank with compound piston for high loading and expulsion efficiency | Physics | 13 | Active |
| US8291691B2 | Multi-functional pulse-divided rocket | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US6681560B2 | Nozzle throat area control apparatus and method | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US9784545B1 | Rocket motors having controlled autoignition propellant systems | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US5023006A | Thermal insulation chemical composition and method of manufacture | Chemistry; Metallurgy | 2 | Expired |
| US6662629B2 | Propellant test apparatus and method | Physics | 1 | Expired |
| US9759162B1 | Controlled autoignition propellant systems | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12228097B2 | System and method of grain ignition and inhibitor release using phase alloy films | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.