Robert Graf
14Patents
8h-index
7Co-inventors
65Inventor score
Filing activity: Aug 19, 1974 → Jan 29, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6544445B1 | Fire-resistant opening seal | Emerging Cross-Sectional Technologies | 54 | Expired |
| US4153923A | Ground monitoring system and method | Electricity | 22 | Expired |
| US5876042A | Pipe seal with a sheet-metal casing bendable around a pipe | Emerging Cross-Sectional Technologies | 20 | Expired |
| USD284855S | Telephone set | General | 16 | Expired |
| US3969815A | Process for forming a through connection between a pair of circuit patterns disposed on opposite surfaces of a substrate | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4816312A | Fire prevention material | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4770025A | Pulling clamp | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5126076A | Low-flammability structural elements, particularly boards, and process for constructing them | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4212015A | Portable mast for radio link systems | Fixed Constructions | 8 | Expired |
| US5496881A | Composition for forming fireproof coatings and caulking and a method of use | Chemistry; Metallurgy | 7 | Expired |
| US6010763A | Fireproofing material | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6814880B1 | Water based liquid foam extinguishing formulation | Human Necessities | 2 | Expired |
| US9350144B2 | Removable contactor drawer | Electricity | 1 | Active |
| US6967223B1 | Fiber-free shaped parts | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.