Robert E. Klemm
8Patents
7h-index
3Co-inventors
56Inventor score
Filing activity: Sep 29, 1980 → Jan 8, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6467812B1 | Pipe having replaceable wear resistant lined coupler | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US5097585A | Method of forming a composite tubular unit by expanding, low-frequency induction heating and successively quenching | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5379805A | Single solid thin wall pipe for abrasive material having a gradual transition in hardness | Chemistry; Metallurgy | 12 | Expired |
| US4796814A | Semi-liquid cementitious spray nozzle apparatus | Performing Operations; Transporting | 11 | Expired |
| US6766570B1 | Coupling units connecting tubular members having a hardened inner wall for carrying mechanically abrasive fluid concrete | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6375228B1 | Coupling units connecting tubular members having a hardened inner wall for carrying mechanically abrasive fluid concrete | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4640533A | Adjustable pipe extender for high pressure lines carrying abrasive materials | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4354737A | Variable gain screen permitting off-axis viewing with image brightness remaining constant | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.