John Oakey
28Patents
9h-index
24Co-inventors
75Inventor score
Filing activity: Jul 23, 1985 → Mar 15, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7276170B2 | Laminar flow-based separations of colloidal and cellular particles | Emerging Cross-Sectional Technologies | 85 | Expired |
| US6802489B2 | Micro-fluidic valve with a colloidal particle element | Physics | 83 | Expired |
| US7059152B2 | Nitrogen rejection method and apparatus | Emerging Cross-Sectional Technologies | 73 | Expired |
| US7472794B2 | Cell sorting device and method of manufacturing the same | Emerging Cross-Sectional Technologies | 66 | Active |
| US7318902B2 | Laminar flow-based separations of colloidal and cellular particles | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4638639A | Gas refrigeration method and apparatus | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US7373790B2 | Nitrogen rejection method and apparatus | Emerging Cross-Sectional Technologies | 19 | Active |
| US4638638A | Refrigeration method and apparatus | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6609393B2 | Introgen rejection method | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5657644A | Air separation | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6257019A | Production of nitrogen | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4747859A | Air separation | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7155082B2 | Switchable microfluidic optical waveguides | Physics | 7 | Expired |
| US6837071B2 | Nitrogen rejection method and apparatus | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5689975A | Air separation | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5819556A | Air separation | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5852940A | Air separation | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6141989A | Air separation | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US5862680A | Air separation | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6584803B2 | Nitrogen rejection method and apparatus | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5106398A | Air separation | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6637239B2 | Nitrogen rejection method and apparatus | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7127915B2 | Nitrogen rejection method and apparatus | Emerging Cross-Sectional Technologies | 2 | Expired |
| US11642642B2 | Exploiting oxygen inhibited photopolymerization within emulsion droplets for the fabrication of microparticles with customizable properties | Performing Operations; Transporting | 1 | Active |
| US12194429B2 | Exploiting oxygen inhibited photopolymerization within emulsion droplets for the fabrication of microparticles with customizable size, shape and interfacial and mechanical properties | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.