Robert N. Petersen
8Patents
6h-index
7Co-inventors
56Inventor score
Filing activity: Sep 17, 1985 → Oct 9, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5521984A | System for registration, identification and verification of items utilizing unique intrinsic features | Physics | 175 | Expired |
| US5673338A | System for verification of unique items | Physics | 114 | Expired |
| US5679258A | Mixed immiscible liquids collection, separation, and disposal method and system | Performing Operations; Transporting | 16 | Expired |
| US4623452A | Dockside system for the collection and disposal of bilge water and waste oil | Performing Operations; Transporting | 12 | Expired |
| USD853692S1 | Footwear | General | 10 | Active |
| US7172688B2 | Mixed immiscible liquids vacuum, separation, and disposal method and system (Mod 1) | Performing Operations; Transporting | 6 | Expired |
| US11172725B2 | Boots with polymeric foam shell and exposed sock liner | Performing Operations; Transporting | 2 | Active |
| US10856605B2 | Polyvinyl chloride safety boots | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.