David Hacker
12Patents
4h-index
19Co-inventors
57Inventor score
Filing activity: Dec 8, 1997 → Jun 16, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5984281A | Carburetor needle valve and limiter cap installation and adjustment apparatus | Emerging Cross-Sectional Technologies | 61 | Expired |
| US7104253B1 | Stratified scavenging carburetor | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6271286A | Erasable colored pencil lead | Chemistry; Metallurgy | 7 | Expired |
| US6011084A | Erasable colored pencil lead | Chemistry; Metallurgy | 6 | Expired |
| US6262143A | Erasable colored pencil lead | Chemistry; Metallurgy | 4 | Expired |
| US6815471B2 | Erasable colored pencil lead | Chemistry; Metallurgy | 4 | Expired |
| US7172178B1 | Carburetor with acceleration fuel pump | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US11008987B2 | Venturi fluid pump with outlet flow controller | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11719292B2 | Strut clutch assembly torque locking mechanism, and clutch strut | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12054041B2 | Wheel hub clutch, wheel hub, wheel end system, axle, drivetrain, and vehicle | Performing Operations; Transporting | 0 | Active |
| US10704502B2 | Fuel vapor separator and heat exchanger for a marine outboard engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US12092173B2 | Clutch strut, torque locking mechanism, and clutch assembly | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.