John Freeman
10Patents
6h-index
12Co-inventors
63Inventor score
Filing activity: Sep 23, 1974 → Feb 16, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3997938A | Dual wheel caster assembly | Performing Operations; Transporting | 31 | Expired |
| US4003365A | Structure for collecting solar energy | Emerging Cross-Sectional Technologies | 30 | Expired |
| US10143327B2 | Cooktop steamer with self-filling cup | Human Necessities | 29 | Active |
| US3942608A | Caster brake assembly | Performing Operations; Transporting | 12 | Expired |
| US9723954B2 | Combination griddle and teppanyaki cooking unit for a household cooking appliance | Human Necessities | 8 | Active |
| US4086912A | Solar collector panel | Emerging Cross-Sectional Technologies | 6 | Expired |
| US9746182B2 | Home cooking appliance with an electrode chamber | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US9080775B2 | Slide-in simmer potentiometer for a household appliance | Electricity | 3 | Active |
| US12098843B2 | Steam hammer pump and electrical power facility | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9182127B2 | Home appliance with improved control access | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.