David John Sims
35Patents
9h-index
42Co-inventors
75Inventor score
Filing activity: Mar 7, 1977 → Sep 30, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5445143A | Humidifier with dual float valves | Emerging Cross-Sectional Technologies | 135 | Expired |
| US6232973A | Appliance and method for navigating among multiple captured images and functional menus | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6043503A | Hand held scanning device | Electricity | 19 | Expired |
| USD1006981S1 | Breathing conduit | General | 19 | Active |
| US9872967B2 | Components for medical circuits | Emerging Cross-Sectional Technologies | 14 | Active |
| USD445424S | Hand held optical scanner | General | 10 | Expired |
| US10960167B2 | Zone heating for respiratory circuits | Electricity | 10 | Active |
| US10688270B2 | Components for medical circuits | Emerging Cross-Sectional Technologies | 10 | Active |
| USD420344S | Hand held optical scanner | General | 9 | Expired |
| US4147413A | Temperature compensated lens mount | Physics | 9 | Expired |
| US6784904B2 | Appliance and method for navigating among multiple captured images and functional menus | Emerging Cross-Sectional Technologies | 8 | Expired |
| US9468733B2 | Components for medical circuits | Emerging Cross-Sectional Technologies | 7 | Active |
| USD454129S1 | Hand held optical scanner rear face portion | General | 7 | Expired |
| US10010693B2 | Medical tubing | Mechanical Engineering; Lighting; Heating | 7 | Active |
| USD463436S1 | Hand held optical scanner front face portion | General | 6 | Expired |
| USD422995S | Hand held optical scanner front face portion | General | 6 | Expired |
| USD433380S | Battery cover for hand held apparatus such as an optical scanner | General | 5 | Expired |
| US6268598A | Hand-held scanner apparatus having visual scan-region position feedback system | Electricity | 4 | Expired |
| US9925350B2 | Apparatus and method for providing gases to a user | Human Necessities | 3 | Active |
| USD455749S1 | Hand held optical scanner front face portion | General | 3 | Expired |
| USD421418S | Battery cover for hand held apparatus such as an optical scanner | General | 3 | Expired |
| US10828455B2 | Medical tubes and methods of manufacture | Performing Operations; Transporting | 3 | Active |
| US11052215B2 | Medical tubing | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10094634B2 | Dry fire trigger device | Physics | 2 | Active |
| US11110243B2 | Apparatus and method for providing gases to a user | Human Necessities | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.