Robert E. Schaefer
4Patents
4h-index
5Co-inventors
43Inventor score
Filing activity: May 8, 1975 → May 10, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5375746A | Food pump having a cast valve body | Performing Operations; Transporting | 18 | Expired |
| US4000214A | Urethane additive to a standard epoxy resin to improve adhesion to vinyl materials | Chemistry; Metallurgy | 14 | Expired |
| US4833178A | Composition and method for setting and grouting ceramic tile | Chemistry; Metallurgy | 8 | Expired |
| US4418166A | High temperature resistant adhesive bonding composition of epoxy resin and two-part hardener | Emerging Cross-Sectional Technologies | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.