Robert L. Metcalf
18Patents
8h-index
23Co-inventors
72Inventor score
Filing activity: Dec 26, 1972 → Mar 4, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9923931B1 | Systems and methods for identifying violation conditions from electronic communications | Electricity | 51 | Active |
| US4880624A | Volatile attractants for diabrotica species | Human Necessities | 27 | Expired |
| US4539105A | Cyclone separator having abrasion resistant cone covered by a plastic sleeve with flexible seal regions | Textiles; Paper | 24 | Expired |
| US5716258A | Semiconductor wafer polishing machine and method | Performing Operations; Transporting | 22 | Expired |
| US4967663A | Unengraved metering roll of porous ceramic | Performing Operations; Transporting | 20 | Expired |
| US4184915A | Drainage foil apparatus with individually replaceable ceramic segments | Textiles; Paper | 13 | Expired |
| US5980367A | Semiconductor wafer polishing machine and method | Performing Operations; Transporting | 11 | Expired |
| US4926788A | Can coater/decorator mandrel system | Performing Operations; Transporting | 10 | Expired |
| US10223501B1 | Systems and methods for tracking, monitoring, and standardizing molecular and diagnostic testing products and services | Physics | 7 | Active |
| US11019107B1 | Systems and methods for identifying violation conditions from electronic communications | Electricity | 3 | Active |
| US3932527A | Preparation of p-p-disubstituted diaryl trichloroethanes | Chemistry; Metallurgy | 2 | Expired |
| US3966824A | P,P'-Disubstituted .alpha.-trichloromethylbenzylphenyl ethers | Human Necessities | 2 | Expired |
| US10896405B1 | Systems and methods relating to health policy coverage of medical products and services | Physics | 1 | Active |
| US3939277A | Insecticidal biodegradable analogues of DDT | Chemistry; Metallurgy | 1 | Expired |
| US6613317B1 | Volatile attractants for diabrotica species | Human Necessities | 1 | Expired |
| US4118424A | Biodegradable insecticides | Chemistry; Metallurgy | 0 | Expired |
| US3941842A | P,P'-Disubstituted .alpha.-trichloromethylbenzylanilines | Human Necessities | 0 | Expired |
| US4003950A | Diphenyl methane biodegradable insecticides | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.