Jonathan Watkins
22Patents
11h-index
9Co-inventors
68Inventor score
Filing activity: Jan 8, 1979 → Sep 9, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5904218A | Single-track vehicle with independently actuable and limited-pivot-angle caster side wheels | Performing Operations; Transporting | 79 | Expired |
| US5257671A | Vehicle | Performing Operations; Transporting | 75 | Expired |
| US5628379A | Single track vehicle | Performing Operations; Transporting | 59 | Expired |
| US4523340A | Means providing moving water stream ejecting into spa tank | Emerging Cross-Sectional Technologies | 40 | Expired |
| USD288125S | Spa | General | 35 | Expired |
| US4920588A | Means providing moving water stream ejecting into spa tank | Human Necessities | 27 | Expired |
| US4839930A | Dry hydro-massage unit for a spa tank | Human Necessities | 27 | Expired |
| US4533476A | Spa filter installation method and means | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4926510A | Hand held dry hydro-massage unit for a spa | Human Necessities | 16 | Expired |
| US4716604A | Spa with moving jets | Human Necessities | 15 | Expired |
| US5816354A | Single track vehicle | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4908888A | Dry hydro-massage unit | Human Necessities | 9 | Expired |
| US6006849A | Single-track vehicle with foot pedal feedback and inertial force limiters | Performing Operations; Transporting | 7 | Expired |
| US6677399B2 | Agrochemical formulations | Human Necessities | 6 | Expired |
| US5840667A | Bleach activators | Chemistry; Metallurgy | 5 | Expired |
| USD260930S | Cover for a hydrotherapy pool or the like | General | 5 | Expired |
| USD260094S | Vacuum cleaner for spas or the like | General | 5 | Expired |
| USD306344S | Hand-held dry hydro-massage unit for a spa | General | 4 | Expired |
| US11994614B2 | Testing device for testing a distance sensor operating with electromagnetic waves | Physics | 0 | Active |
| US11940556B2 | Testing device for testing a distance sensor that operates using electromagnetic waves | Physics | 0 | Active |
| US11256032B1 | Programmable fiber-optic delay line | Physics | 0 | Active |
| US12360211B2 | Signal delay device and simulator device for simulating spatial distances in distance measuring devices based on electromagnetic waves | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.