Donald E. Fraser
55Patents
21h-index
15Co-inventors
85Inventor score
Filing activity: Sep 17, 1986 → Aug 10, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4813468A | Two and three position over-under window shade | Fixed Constructions | 64 | Expired |
| US7380582B1 | Mounting arrangement for coverings for architectural openings | Emerging Cross-Sectional Technologies | 52 | Expired |
| US6446693B1 | Headrail and control system for powered coverings for architectural openings | Fixed Constructions | 47 | Expired |
| USD600484S1 | Headrail for an architectural covering | General | 42 | Expired |
| US7740045B2 | Spring motor and drag brake for drive for coverings for architectural openings | Fixed Constructions | 39 | Active |
| US5638880A | Fabric light control window covering with rigid vanes | Emerging Cross-Sectional Technologies | 39 | Expired |
| USD345498S | Extended headrail | General | 39 | Expired |
| US6736186B2 | Headrail and control system for powered coverings for architectural openings | Fixed Constructions | 39 | Expired |
| US6371192B1 | Headrail, including a trap door for accessing batteries for powered coverings for architectual openings | Fixed Constructions | 36 | Expired |
| US6516858B1 | Headrail including a detachable battery holder for powered coverings for architectural openings | Fixed Constructions | 35 | Expired |
| US6382294B1 | System for holding batteries in a headrail for powered coverings for architectural openings | Fixed Constructions | 31 | Expired |
| US5845690A | Fabric light control window covering with rigid vanes and support cords | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5341865A | Tilter mechanisms for a venetian blind | Fixed Constructions | 27 | Expired |
| US7836937B2 | Single cord drive for coverings for architectural openings | Emerging Cross-Sectional Technologies | 27 | Active |
| US5232037A | Venetian blinds | Fixed Constructions | 26 | Expired |
| US8267145B2 | Blind with selective tilting arrangement including drums | Fixed Constructions | 26 | Active |
| US7886803B2 | Drive for coverings for architectural openings | Fixed Constructions | 24 | Active |
| US6533018B2 | System for holding batteries in a headrail for powered coverings for architectural openings | Fixed Constructions | 23 | Expired |
| US5309974A | Venetian blinds | Fixed Constructions | 23 | Expired |
| US6585208B1 | Universal bracket for mounting coverings for architectural openings | Fixed Constructions | 23 | Expired |
| US7168475B2 | Shutter-type covering for architectural openings | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7353636B1 | Adjustable size shutter with rack and pinion tilt mechanism | Fixed Constructions | 20 | Expired |
| US8752607B2 | Covering for architectural openings including a rotation limiter | Fixed Constructions | 19 | Active |
| US7913738B2 | Selective tilting for blinds—variable radius wrap double pitch | Fixed Constructions | 19 | Active |
| US6901988B2 | Shutter-like covering and hardware for architectural opening | Fixed Constructions | 16 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.