Robert J. Schafer
16Patents
8h-index
20Co-inventors
72Inventor score
Filing activity: Apr 8, 1975 → Mar 24, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5567251A | Amorphous metal/reinforcement composite material | Emerging Cross-Sectional Technologies | 171 | Expired |
| US5866254A | Amorphous metal/reinforcement composite material | Emerging Cross-Sectional Technologies | 118 | Expired |
| US4481804A | Method and apparatus for calibration of sensors | Human Necessities | 69 | Expired |
| US5567532A | Amorphous metal/diamond composite material | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7174695B2 | De-packaging machine | Emerging Cross-Sectional Technologies | 25 | Expired |
| US7407768B2 | Membrane-based assays | Physics | 23 | Expired |
| US7963086B2 | Package unbundling system | Performing Operations; Transporting | 13 | Active |
| US3987543A | Portable motor chain saw | Performing Operations; Transporting | 8 | Expired |
| US4193909A | Flower pot and method for making | Chemistry; Metallurgy | 7 | Expired |
| US4124556A | Moulding composition containing (a) silane additive (b) iron oxide and (c) polyurethane resin and method for preparing shaped foundry products | Chemistry; Metallurgy | 6 | Expired |
| US4814379A | Toughened, low permeability, solvent and salt resistant polyamide blends | Chemistry; Metallurgy | 5 | Expired |
| US4448907A | Process for casting lightweight metals | Chemistry; Metallurgy | 4 | Expired |
| US4370463A | Process for no-bake foundry application utilizing polyurethanes based on amine polyols | Chemistry; Metallurgy | 3 | Expired |
| US9390898B1 | System and method for fusing chemical detectors | Electricity | 1 | Active |
| USD1042054S1 | Cutting board | General | 0 | Active |
| US10249481B2 | System and method for fusing chemical detectors | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.