Wayne R. Lumpkin
36Patents
15h-index
1Co-inventors
71Inventor score
Filing activity: May 3, 1994 → May 9, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6520297B1 | Cable feed for a mechanical ball bearing disc brake | Mechanical Engineering; Lighting; Heating | 82 | Expired |
| US6804961B2 | Master cylinder lever for a hydraulic disk brake having on the fly dead-band adjustment | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5624334A | Low-friction derailleur cable router | Performing Operations; Transporting | 39 | Expired |
| US6230849A | Structure for adjustably attaching a disc brake caliper to a bicycle frame | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US5515743A | Adjustable leverage brake lever | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5448927A | Adjustable leverage brake lever | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6957534B2 | Reach adjustment mechanism for a master cylinder lever of a hydraulic disc brake | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5564531A | Adjustable brake arm and shoe mount for a cycle brake | Performing Operations; Transporting | 28 | Expired |
| US7204350B2 | Master cylinder lever for a hydraulic disc brake having favorable handle pivot geometry | Performing Operations; Transporting | 22 | Expired |
| US7530435B2 | Method and apparatus for adjusting a lever actuated hydraulic disc brake master cylinder | Performing Operations; Transporting | 21 | Active |
| US6491137B2 | Caliper brake lever arm return spring force adjusting apparatus and method | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5743284A | Cantilever brake with pad attitude control | Performing Operations; Transporting | 18 | Expired |
| US8136827B2 | Belt drive system | Mechanical Engineering; Lighting; Heating | 18 | Active |
| US9156521B2 | Bicycle frame rear suspension with flexing frame segment | Performing Operations; Transporting | 16 | Active |
| US6340074B1 | Pad wear compensator for a disc brake caliper | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| USRE36830E | Low-friction derailleur cable router | General | 15 | Expired |
| US6431327B1 | Structure for adjustably attaching a disc brake caliper to a bicycle frame | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US7013533B2 | Cycle grip | Performing Operations; Transporting | 13 | Expired |
| US6607057B2 | Fixed disc brake caliper with pad wear compensator | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US8740239B2 | Bicycle sliding dropout | Performing Operations; Transporting | 13 | Active |
| US6425464B2 | Friction pad assembly for a disc brake | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6244396A | Brake block for a bicycle having replaceable brake pad segments | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5538107A | Off-set brake arm | Performing Operations; Transporting | 10 | Expired |
| US7559414B2 | Symmetric master cylinder lever for a hydraulic disc brake | Performing Operations; Transporting | 8 | Active |
| US7617913B2 | Method of varying a rest position and a length of an actuation arc of a lever in a hydraulic disc brake system | Performing Operations; Transporting | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.