Keith E. Hoffman
10Patents
8h-index
13Co-inventors
69Inventor score
Filing activity: May 18, 1987 → Mar 12, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6273861A | Pneumatically actuated tissue sampling device | Human Necessities | 223 | Expired |
| US5342139A | Snap mounted attachment device | Emerging Cross-Sectional Technologies | 64 | Expired |
| US4946144A | External clamping band for air spring | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US5169129A | Variable rate air spring suspension system | Performing Operations; Transporting | 28 | Expired |
| US4899995A | Clamp ring assembly for air spring | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4787607A | Air spring having internal sealing band and method of installing same | Performing Operations; Transporting | 18 | Expired |
| US5468140A | Tapered airsleeve curing press | Performing Operations; Transporting | 16 | Expired |
| US4796870A | Suspension system for vehicles containing combination isolator mount and air spring closure | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6199837A | Thermoplastic elastomer air spring | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| USD732103S1 | Stabilized gimbal assembly | General | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.