John M. Evans
51Patents
28h-index
53Co-inventors
91Inventor score
Filing activity: Aug 19, 1981 → Aug 11, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5040116A | Visual navigation and obstacle avoidance structured light system | Physics | 370 | Expired |
| US5051906A | Mobile robot navigation employing retroreflective ceiling features | Physics | 364 | Expired |
| US6302898A | Devices for sealing punctures in body vessels | Human Necessities | 353 | Expired |
| US4954962A | Visual navigation and obstacle avoidance structured light system | Physics | 328 | Expired |
| US4962453A | Autonomous vehicle for working on a surface and method of controlling same | Emerging Cross-Sectional Technologies | 310 | Expired |
| US5103306A | Digital image compression employing a resolution gradient | Physics | 278 | Expired |
| US4454295A | Cured cellulose ester, method of curing same, and use thereof | Emerging Cross-Sectional Technologies | 255 | Expired |
| US4933864A | Mobile robot navigation employing ceiling light fixtures | Physics | 246 | Expired |
| US5905561A | Annular mask lens having diffraction reducing edges | Performing Operations; Transporting | 199 | Expired |
| US5662706A | Variable transmissivity annular mask lens for the treatment of optical aberrations | Human Necessities | 195 | Expired |
| US4697593A | Method and apparatus for measuring blood oxygen levels | Human Necessities | 161 | Expired |
| US4905151A | One dimensional image visual system for a moving vehicle | Physics | 160 | Expired |
| US4502490A | Patient monitoring equipment, probe for use therewith, and method of measuring anesthesia based on oesophagal contractions | Human Necessities | 129 | Expired |
| US5965330A | Methods for fabricating annular mask lens having diffraction-reducing edges | Physics | 122 | Expired |
| US5160463A | Method of manufacturing a contact lens | Performing Operations; Transporting | 109 | Expired |
| US4518383A | Instrument and method for epidural and spinal anaesthesia | Human Necessities | 104 | Expired |
| US5158718A | Contact lens casting | Emerging Cross-Sectional Technologies | 103 | Expired |
| US5302978A | Contact lens | Performing Operations; Transporting | 93 | Expired |
| US5466228A | Fluid control apparatus | Emerging Cross-Sectional Technologies | 89 | Expired |
| US6743248B2 | Pretreatment method for enhancing tissue adhesion | Human Necessities | 82 | Expired |
| US4600015A | Patient monitoring apparatus and method | Human Necessities | 80 | Expired |
| US6037280A | Ultraviolet ray (UV) blocking textile containing particles | Emerging Cross-Sectional Technologies | 73 | Expired |
| US5970998A | Microfabricated cantilever ratchet valve, and method for using same | Emerging Cross-Sectional Technologies | 53 | Expired |
| US4953556A | Method and apparatus for the measurement of thoracic field potentiometry | Human Necessities | 40 | Expired |
| US4508884A | Oxygen permeable hard contact lens | Physics | 34 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.