David Richards
12Patents
8h-index
16Co-inventors
69Inventor score
Filing activity: Dec 20, 1983 → Dec 24, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6039648A | Automated tournament gaming system: apparatus and method | Physics | 694 | Expired |
| US6176391A | Message providing candy dispenser | Physics | 33 | Expired |
| US4632598A | Movable roadway barrier | Fixed Constructions | 31 | Expired |
| US6739716B2 | Systems and methods for curing a fluid | Performing Operations; Transporting | 28 | Expired |
| USD284930S | Ground rod driving hammer | General | 15 | Expired |
| US7040729B2 | Systems, methods, and devices for controlling ink delivery to print heads | Performing Operations; Transporting | 14 | Expired |
| US6705711B1 | Methods, systems, and devices for controlling ink delivery to one or more print heads | Performing Operations; Transporting | 13 | Expired |
| US6244463A | Candy dispenser with single-user-action dispensing mechanism | Human Necessities | 8 | Expired |
| US11137886B1 | Providing content for broadcast by a messaging platform | Electricity | 7 | Active |
| US6587958B1 | Event timer | Physics | 6 | Expired |
| US11706313B2 | Systems, methods, and devices for user interface customization based on content data network priming | Electricity | 0 | Active |
| US10503374B1 | Providing content for broadcast by a messaging platform | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.