Dennis E. Arft
10Patents
5h-index
2Co-inventors
52Inventor score
Filing activity: Dec 1, 1987 → Oct 27, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7383596B2 | Folding mechanism for a futon sofa sleeper | Human Necessities | 14 | Active |
| US7188379B2 | Combination air and spring mattress for a sofa sleeper | Human Necessities | 13 | Expired |
| US5745935A | Sinuous wire seat section sofa sleeper | Human Necessities | 8 | Expired |
| US4800598A | Anti-tilt sofa sleeper mechanism | Human Necessities | 6 | Expired |
| US5528777A | Sofa sleeper deck with transverse slats | Human Necessities | 5 | Expired |
| US4928331A | Adjustable seat pitch sofa sleeper mechanism | Human Necessities | 4 | Expired |
| US7269865B2 | Sofa with flip-up spring deck | Human Necessities | 3 | Expired |
| US5903939A | Raised frame support for sofa-sleeper | Human Necessities | 2 | Expired |
| US5075909A | Anti-tilt sofa sleeper mechanism | Human Necessities | 2 | Expired |
| US7451504B2 | Sofa sleeper with low-profile head rail | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.