David J. Klee
23Patents
11h-index
15Co-inventors
72Inventor score
Filing activity: Aug 6, 1969 → Nov 2, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4229947A | Cryogenic freezer | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4627197A | Process control for cryogenic decoating | Performing Operations; Transporting | 25 | Expired |
| US4528819A | Exhaust control for cryogenic freezer | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4726195A | Cryogenic forced convection refrigerating system | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4475351A | Dual-flow cryogenic freezer | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4866946A | Spiral cryogenic freezer | Performing Operations; Transporting | 19 | Expired |
| US5343714A | Spiral freezer | Performing Operations; Transporting | 17 | Expired |
| US5054292A | Cryogenic freezer control | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4800728A | Method and apparatus for gas flow control in a cryogenic freezer | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4524550A | Discharge of blasting media from a treating chamber | Performing Operations; Transporting | 13 | Expired |
| US4033140A | Refrigeration system for shipping container | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4524548A | Continuous deflashing system | Performing Operations; Transporting | 11 | Expired |
| US5168711A | Convective heat transfer system for a cryogenic freezer | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5605049A | Exhaust system for a cryogenic freezer | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4441327A | Temperature actuated valve and phase separation method | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4580413A | Pressurized fluid lift system for a cryogenic freezer | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4635408A | Discharge of blasting media from a treating chamber | Performing Operations; Transporting | 7 | Expired |
| US4372130A | Carbon dioxide snow generator with purging means | Chemistry; Metallurgy | 5 | Expired |
| US4451002A | Temperature actuated valve and phase separation method | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4527844A | Thermally insulated chamber | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| USRE28712A | Parallel flow cryogenic freezer | General | 1 | Expired |
| US5517827A | Dual flow tunnel freezer | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US4519171A | Work-holding fixture for cryogenic decoating | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.