Mark Johansen
20Patents
12h-index
28Co-inventors
81Inventor score
Filing activity: Apr 25, 1995 → Jul 1, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5660206A | Fuel tank filler neck check valve | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6311675A | Vent valve and fuel pump module | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7347191B2 | Vehicle fuel system | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5592963A | Control valve and system for fuel vapor recovery | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5960817A | Control valve and system for fuel vapor recovery | Emerging Cross-Sectional Technologies | 23 | Expired |
| US7296600B2 | Valve assembly and refueling sensor | Performing Operations; Transporting | 23 | Expired |
| US6213100A | Multi-function fuel pump module | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6634341B2 | Vent and rollover valve and fuel pump module | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6848463B2 | Vapor vent valve | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6248982A | Cooking sink | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| USD431286S | Sink | General | 13 | Expired |
| US5947153A | Fuel tank filler neck with bypass passage | Emerging Cross-Sectional Technologies | 13 | Expired |
| US10060827B2 | Fleet management system | Physics | 10 | Active |
| US7409860B2 | Fuel level measurement device | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US7600652B1 | Multiple layer polymeric cap and method of making the same | Performing Operations; Transporting | 10 | Expired |
| US7188610B2 | No-return loop fuel system | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| USD426624S | Sink | General | 5 | Expired |
| US7565837B2 | Fuel level sensor variable resistor assembly | Physics | 1 | Active |
| US11872717B2 | Swivel knife holder assembly for a multi-ply reciprocating cutter | Performing Operations; Transporting | 0 | Active |
| US11047769B2 | Fleet management system | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.