Robert T. Schofield
9Patents
8h-index
9Co-inventors
58Inventor score
Filing activity: Nov 17, 1992 → Jun 24, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5601006A | Punch tool with interchangeable die | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5469625A | Compound action hand pruner | Human Necessities | 34 | Expired |
| US5377412A | Softouch scissors | Performing Operations; Transporting | 28 | Expired |
| US6257346A | Stand-up weeder | Human Necessities | 24 | Expired |
| US6345445B1 | Lopping tool and method for lopping | Human Necessities | 17 | Expired |
| US7438279B2 | Tool for pulling nails and other protrusions | Performing Operations; Transporting | 15 | Active |
| US9340330B2 | Storage container lids | Performing Operations; Transporting | 13 | Active |
| US8033529B2 | Ratcheted lift mechanism | Performing Operations; Transporting | 11 | Active |
| US7533869B2 | Ratcheted lift mechanism | Performing Operations; Transporting | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.