John Hammerman
7Patents
2h-index
8Co-inventors
40Inventor score
Filing activity: Feb 7, 2005 → Jul 29, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7352465B2 | Sample conditioning and environmental control techniques for gas sensor | Physics | 17 | Expired |
| US8448454B2 | Cryogenic cooling system with vaporized cryogen sparging cooling enhancement | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US9388944B2 | Controlled environment expander | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10597163B2 | Air freight temperature controlled device using liquid nitrogen | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8534078B2 | Self generating power generator for cryogenic systems | Electricity | 0 | Active |
| US10913540B2 | Air freight system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11346601B1 | Completely green system for cooling refrigerators, freezers and air conditioners that has no HCFCs or CFCs | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.