Brian M. Hoffmann
12Patents
11h-index
14Co-inventors
65Inventor score
Filing activity: Dec 19, 1991 → Oct 6, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5287908A | Window covering assembly | Fixed Constructions | 74 | Expired |
| US6289964A | Control and suspension system for a covering for architectural openings | Fixed Constructions | 65 | Expired |
| US5647421A | Dual shape assembly | Fixed Constructions | 58 | Expired |
| US7832450B2 | Lift cord system for retractable covering | Fixed Constructions | 53 | Active |
| US7500505B2 | Roller stop for coverings for architectural openings | Fixed Constructions | 50 | Active |
| US5392832A | Covering assembly for architectural openings | Fixed Constructions | 42 | Expired |
| US6782938B2 | Control and suspension system for a covering for architectural openings | Fixed Constructions | 28 | Expired |
| US6435252B2 | Control and suspension system for a covering for architectural openings | Fixed Constructions | 24 | Expired |
| US8210227B2 | Cord lock with improved wear surface for an architectural covering | Fixed Constructions | 20 | Active |
| US7617858B2 | Skew adjustment device for coverings for architectural openings | Fixed Constructions | 18 | Active |
| US7240715B2 | Limit stop for coverings for architectural openings | Fixed Constructions | 12 | Expired |
| US8006736B2 | Skew adjustment device for coverings for architectural openings | Fixed Constructions | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.