Stant Manufacturing Inc.
141Patents
9Active
141Granted
43Portfolio score
Filing activity: Sep 30, 1974 → Jan 17, 2007 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5568828A | Fuel-delivery control system | Emerging Cross-Sectional Technologies | 88 | Expired |
| US6675779B2 | Dual float valve for fuel tank vent with liquid carryover filter | Mechanical Engineering; Lighting; Heating | 76 | Expired |
| US5449086A | Delayed actuation fuel cap | Emerging Cross-Sectional Technologies | 72 | Expired |
| US5687778A | Dual valve tank venting system | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5271438A | Capless vehicle refueling system with moving fill passageway | Performing Operations; Transporting | 66 | Expired |
| US5730194A | Capless filler neck closure system | Emerging Cross-Sectional Technologies | 59 | Expired |
| US5603349A | Tank venting system | Emerging Cross-Sectional Technologies | 57 | Expired |
| US6003499A | Tank vent control apparatus | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5449029A | Fill limit valve assembly | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5732840A | Closure assembly for a tank filler neck | Performing Operations; Transporting | 52 | Expired |
| US5529201A | Cam-on filler neck cap | Emerging Cross-Sectional Technologies | 50 | Expired |
| US6170510A | Tank venting control system | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5535772A | Tank venting control system | Emerging Cross-Sectional Technologies | 48 | Expired |
| US6405747B1 | Fuel tank vent valve with liquid carryover filter | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6446826B1 | Seal for filler neck closure assembly | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5694968A | Tank venting control system | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5638975A | Lost motion fuel cap with cap closure indicator | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6325233A | Quick-on torque-override filler neck cap | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5540347A | Vent valve assembly for a fuel tank filler neck cap | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5449018A | Flow control valve | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4083209A | Low profile threaded lock cap | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4000633A | Locking gas cap with torque override feature | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4000828A | Gas tank cap with roll-over valving | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6035884A | Liquid fuel baffle for vent apparatus | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5518018A | Fuel tank venting control assembly | Emerging Cross-Sectional Technologies | 36 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.