Duane R. Smith
11Patents
4h-index
20Co-inventors
60Inventor score
Filing activity: Dec 17, 1975 → May 6, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4746100A | Winch drag brake apparatus | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US7678268B2 | Wastewater treatment system | Emerging Cross-Sectional Technologies | 13 | Active |
| US4043374A | Wheel rim assembly and method for demounting a tire therefrom | Performing Operations; Transporting | 9 | Expired |
| US4074703A | Accumulator drain | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7857968B2 | High performance sewer system | Emerging Cross-Sectional Technologies | 2 | Active |
| US7722471B2 | Billiard game with chess indicia and method of play | Human Necessities | 1 | Active |
| US11783364B2 | Systems and methods for providing customers with matching rewards | Electricity | 0 | Active |
| US12116295B2 | Catalytic oxidation system and process for selective cyanide removal | Chemistry; Metallurgy | 0 | Active |
| US10679235B2 | Systems and methods for providing customers with matching rewards | Electricity | 0 | Active |
| US10550009B2 | Systems and processes for the treatment of waste streams allowing direct activated carbon and membrane contact | Emerging Cross-Sectional Technologies | 0 | Active |
| US10325278B2 | Systems and methods for providing customers with matching rewards | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.