William B. Hansel
25Patents
10h-index
4Co-inventors
60Inventor score
Filing activity: May 10, 1974 → Aug 5, 1982
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4121635A | Interlock system for a gasoline dispensing nozzle | Performing Operations; Transporting | 47 | Expired |
| US4069838A | Fiber optic liquid level sensor | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4059135A | Interlock system for a fuel dispensing nozzle | Performing Operations; Transporting | 16 | Expired |
| US3996977A | Automatic dispensing nozzle adapted for vapor recovery | Performing Operations; Transporting | 15 | Expired |
| US4300388A | Method for leakage measurement | Physics | 13 | Expired |
| US4058149A | Attitude valve for a gasoline dispensing nozzle with a vapor receiving system | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4023601A | Interlock system for a gasoline dispensing nozzle with a vapor receiving system | Performing Operations; Transporting | 12 | Expired |
| US4033389A | Interlock and latching systems for a dispensing nozzle | Performing Operations; Transporting | 12 | Expired |
| US4281534A | Sensor for measuring leakage | Physics | 11 | Expired |
| US4071059A | Programmable manual actuator | Performing Operations; Transporting | 10 | Expired |
| US3958591A | Quick response float valve for use in vapor return lines | Emerging Cross-Sectional Technologies | 10 | Expired |
| US3996976A | Chamber manifold for a hydrocarbon vapor recovery system | Performing Operations; Transporting | 10 | Expired |
| US3946773A | Automatic dispensing nozzle adapted for vapor recovery | Performing Operations; Transporting | 9 | Expired |
| US3996975A | Pressure relief system | Performing Operations; Transporting | 9 | Expired |
| US4131215A | Dispenser with additive option | Performing Operations; Transporting | 9 | Expired |
| US4253490A | Vortex eliminator | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4027708A | Dispensing nozzle control system | Performing Operations; Transporting | 8 | Expired |
| US4108223A | Vapor receiving system for a dispensing nozzle | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4011897A | Interlock system for a gasoline dispensing nozzle | Performing Operations; Transporting | 5 | Expired |
| US4040458A | Gasoline tank fillpipe adapter | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4049029A | Valve system for a vapor receiving system on a dispensing nozzle | Performing Operations; Transporting | 3 | Expired |
| US3956439A | Method and apparatus for placing foamed plugs | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| USRE31884E | Method for leakage measurement | General | 1 | Expired |
| USRE30050E | Interlock system for a gasoline dispensing nozzle | General | 0 | Expired |
| US4040448A | Dispenser member for filling fluid storage containers | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.