William Daniel Richardson
19Patents
10h-index
22Co-inventors
72Inventor score
Filing activity: May 16, 1983 → Mar 31, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6902497B2 | Golf club head with a face insert | Human Necessities | 112 | Expired |
| US8696489B2 | Golf club head with variable face thickness | Human Necessities | 69 | Active |
| US9101809B2 | Golf club head with variable face thickness | Human Necessities | 59 | Active |
| US8376876B2 | Golf club head with variable face thickness | Human Necessities | 53 | Active |
| USD519820S1 | Extension pole | General | 48 | Expired |
| US4540201A | Tube connector | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| USD677031S1 | Applicator head | General | 27 | Active |
| US7237305B2 | Extension pole with tool lock and retraction dampener | Performing Operations; Transporting | 23 | Expired |
| USD538133S1 | Lock mechanism housing of a telescopic extension pole | General | 18 | Expired |
| US4759572A | Tube connector | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| USD668827S1 | Basic applicator head | General | 6 | Active |
| USD655470S1 | Applicator with individually flexible pad and handle | General | 4 | Expired |
| USD654216S1 | Double-ended applicator | General | 3 | Expired |
| USD661905S1 | Flow-through extension pole handle | General | 2 | Active |
| USD663501S1 | Applicator with individual pad support fingers | General | 2 | Active |
| USD647308S1 | Flow-through brush head | General | 1 | Expired |
| USD674567S1 | Applicator head | General | 1 | Active |
| US8745808B2 | Applicator with individually flexible pad support fingers | Performing Operations; Transporting | 1 | Active |
| US8713744B2 | Applicator with flexible pad and handle | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.