Walter McDonald
15Patents
7h-index
6Co-inventors
59Inventor score
Filing activity: Jan 12, 1976 → Sep 2, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4401203A | Parts feeding bowl with orienting means | Performing Operations; Transporting | 17 | Expired |
| US4049081A | Operator-actuated elevating device | Fixed Constructions | 14 | Expired |
| US7322458B1 | Orienting and feeding apparatus for manufacturing line | Performing Operations; Transporting | 14 | Active |
| US4878575A | Vibratory feeder for elastomeric components | Performing Operations; Transporting | 11 | Expired |
| US4362234A | High speed cap orienting and feeding apparatus | Performing Operations; Transporting | 9 | Expired |
| US8368560B2 | Automated warning system for waterski boats | Physics | 8 | Active |
| US4214656A | Cap orienting and feeding apparatus | Performing Operations; Transporting | 8 | Expired |
| US4055455A | Apparatus for lining and testing container closures | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7572123B2 | Apparatus for stretching and crystallizing the neck finish of a molded plastic article | Emerging Cross-Sectional Technologies | 7 | Active |
| US4170289A | Paint roller cage assembly apparatus | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8151970B2 | Orienting and feeding apparatus for manufacturing line | Performing Operations; Transporting | 4 | Active |
| US4615428A | High speed article orienting and feeding apparatus | Performing Operations; Transporting | 2 | Expired |
| US4271579A | Paint roller cage assembly apparatus and method | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8012396B2 | Method and apparatus for stretching and crystallizing the neck finish of a molded plastic article | Emerging Cross-Sectional Technologies | 0 | Active |
| US8226397B2 | Method and apparatus for stretching and crystallizing the neck finish of a molded plastic article | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.