William J. Baker
28Patents
14h-index
7Co-inventors
74Inventor score
Filing activity: Jan 31, 1977 → Apr 6, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4253533A | Variable wear pad for crossflow drag bit | Fixed Constructions | 118 | Expired |
| US4343371A | Hybrid rock bit | Fixed Constructions | 98 | Expired |
| US6634461B1 | Coordinated lift system | Performing Operations; Transporting | 59 | Expired |
| US4359112A | Hybrid diamond insert platform locator and retention method | Fixed Constructions | 56 | Expired |
| US4185706A | Rock bit with cavitating jet nozzles | Fixed Constructions | 53 | Expired |
| US7219770B2 | Coordinated lift system with user selectable RF channels | Performing Operations; Transporting | 43 | Expired |
| US7014012B2 | Coordinated lift system | Performing Operations; Transporting | 34 | Expired |
| US5475369A | Animal actuating signaling device | Physics | 26 | Expired |
| US4203496A | Longitudinal axis roller drill bit with gage inserts protection | Fixed Constructions | 23 | Expired |
| US6170607A | Electrical hazard warning system for aerial devices | Fixed Constructions | 23 | Expired |
| USD588882S1 | Root cutting shovel | General | 19 | Expired |
| US4189014A | Enhanced cross-flow with two jet drilling | Fixed Constructions | 17 | Expired |
| USRE41554E1 | Coordinated lift system | General | 16 | Expired |
| US6394507B1 | Apparatus for connecting tubular bodies | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6715802B2 | Apparatus for connecting tubular bodies | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5346178A | Pressure equalized flow control valve | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US8360247B2 | Magnetic separation apparatus | Performing Operations; Transporting | 7 | Active |
| US9565798B2 | Wireless flow monitoring system for an air seeder | Emerging Cross-Sectional Technologies | 6 | Active |
| US6186001A | Sensor for measuring content levels in containers | Physics | 4 | Expired |
| US4051875A | Conductor wrapping bit | Electricity | 3 | Expired |
| US10137458B2 | Apparatus and method for entrapping magnetic material | Performing Operations; Transporting | 2 | Active |
| US9242249B2 | Magnetic screen | Performing Operations; Transporting | 2 | Active |
| US11259587B2 | Force distribution helmet | Human Necessities | 1 | Active |
| US4178952A | Inertial valve | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9022219B2 | Suspension magnet | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.