Richard M. Keefer
11Patents
11h-index
4Co-inventors
61Inventor score
Filing activity: Oct 19, 1984 → Apr 22, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5519195A | Methods and devices used in the microwave heating of foods and other materials | Emerging Cross-Sectional Technologies | 206 | Expired |
| US5910268A | Microwave packaging structures | Emerging Cross-Sectional Technologies | 81 | Expired |
| US4656325A | Microwave heating package and method | Emerging Cross-Sectional Technologies | 69 | Expired |
| US4888459A | Microwave container with dielectric structure of varying properties and method of using same | Emerging Cross-Sectional Technologies | 51 | Expired |
| US4814568A | Container for microwave heating including means for modifying microwave heating distribution, and method of using same | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4831224A | Package of material for microwave heating including container with stepped structure | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4866234A | Microwave container and method of making same | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5079397A | Susceptors for microwave heating and systems and methods of use | Performing Operations; Transporting | 31 | Expired |
| US4786773A | Systems and methods for determining doneness of microwave-heated bodies | Physics | 30 | Expired |
| US5864123A | Smart microwave packaging structures | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4990735A | Improved uniformity of microwave heating by control of the depth of a load in a container | Emerging Cross-Sectional Technologies | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.