William B. Blomquist
22Patents
12h-index
32Co-inventors
81Inventor score
Filing activity: Apr 30, 1992 → May 25, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5635630A | Leak detection assembly | Mechanical Engineering; Lighting; Heating | 86 | Expired |
| US5495749A | Leak detection assembly | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US5606121A | Method of testing an evaporative emission control system | Physics | 34 | Expired |
| US5651350A | Method of leak detection for an evaporative emission control system | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US5715799A | Method of leak detection during low engine vacuum for an evaporative emission control system | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5685279A | Method of de-pressurizing an evaporative emission control system | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5641899A | Method of checking for purge flow in an evaporative emission control system | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5263460A | Duty cycle purge control system | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5616836A | Method of pinched line detection for an evaporative emission control system | Physics | 19 | Expired |
| US6314797A | Evaporative emission control for very small leak detection | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US7131322B2 | Vehicle evaporative system diagnostic | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US7204237B2 | Evaporative system leak detection upon refueling | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6202478A | Evaporative system leak detection feature after a refueling event | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6327901A | Purge monitor/switch rationality diagnostics | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6530265B2 | Small/gross leak check | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US9353711B2 | Boost purge ejector tee arrangement | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US9879623B2 | Evaporative emissions control system including a purge pump and hydrocarbon sensor | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US6205982A | Proportional purge solenoid control system | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6374847B1 | Seal cleansing routine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9970391B2 | Techniques for monitoring purge flow and detecting vapor canister leaks in an evaporative emissions system | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10247116B2 | Hydrocarbon vapor start techniques using a purge pump and hydrocarbon sensor | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US6148804A | Duty cycling feature for the proportional purge solenoid to improve low flow resolution | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.