Richard Lewis
15Patents
13h-index
20Co-inventors
78Inventor score
Filing activity: Oct 4, 1985 → Jul 18, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5626176A | Multiple section modular door and joint structure | Fixed Constructions | 47 | Expired |
| US6047761A | Universal overhead door system | Fixed Constructions | 42 | Expired |
| US5555923A | Sectional door having multiple piece panel sections | Fixed Constructions | 38 | Expired |
| US6006817A | Overhead door, panel and hinge assembly | Fixed Constructions | 35 | Expired |
| US5992497A | Slip and lock connection system | Emerging Cross-Sectional Technologies | 35 | Expired |
| US7694368B2 | Positive lock for height adjustable ambulance cot | Human Necessities | 35 | Active |
| US5709259A | Multiple section modular door and joint structure | Fixed Constructions | 32 | Expired |
| US6761521B2 | Captive screw | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7059379B2 | Low head room overhead door system with adjustable short radius track section | Fixed Constructions | 26 | Expired |
| US6840300B2 | Track guard for a sectional overhead door assembly | Fixed Constructions | 24 | Expired |
| US6698492B2 | Hinge guard for overhead door | Fixed Constructions | 20 | Expired |
| US6772814B2 | Combined weather seal, light block and wear insert for overhead door panel | Fixed Constructions | 18 | Expired |
| US4637596A | Structural core pivot | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6994258B2 | Technician safety confirmation | Physics | 8 | Expired |
| US7410101B2 | Technician safety confirmation | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.