Fred Rogers
13Patents
9h-index
16Co-inventors
65Inventor score
Filing activity: Jun 22, 1987 → Jul 18, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5189277A | Modular, stackable plasma cutting apparatus | Electricity | 267 | Expired |
| US6713711B2 | Plasma arc torch quick disconnect | Electricity | 66 | Expired |
| US6717096B2 | Dual mode plasma arc torch | Electricity | 58 | Expired |
| US7202440B2 | Dual mode plasma arc torch | Electricity | 30 | Expired |
| US6936786B2 | Dual mode plasma arc torch | Electricity | 28 | Expired |
| US6683273B2 | Quick disconnect having a make-break timing sequence | Electricity | 26 | Expired |
| US4870759A | Activity entry apparatus for making time entries on pre-established time log forms | Performing Operations; Transporting | 19 | Expired |
| US6689983B2 | Torch handle gas control | Electricity | 18 | Expired |
| US6773304B2 | Tamper resistant pin connection | Electricity | 11 | Expired |
| US7041935B2 | Apparatus and methods for connecting a plasma arc torch lead to a power supply | Electricity | 6 | Expired |
| USD318241S | Vehicle drivers time log template | General | 5 | Expired |
| USD314086S | Case | General | 4 | Expired |
| US7582844B2 | Torch handle gas control | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.