Randall Markum
7Patents
4h-index
10Co-inventors
54Inventor score
Filing activity: Nov 2, 1977 → Jan 19, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5397873A | Electric hot plate with direct contact P.T.C. sensor | Electricity | 26 | Expired |
| US6097003A | Support bar attachment for an electric heater element | Electricity | 14 | Expired |
| USD263494S | Electric heating element | General | 8 | Expired |
| US5924292A | Deodorizing element for eliminating refrigerator odors | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5935470A | Composition heating element for rapid heating | Electricity | 4 | Expired |
| US5404421A | Fuel heating element mounting plug housing a thermostat | Electricity | 4 | Expired |
| US5852282A | Spider bracket assembly | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.