Steven J. Butler
5Patents
3h-index
9Co-inventors
50Inventor score
Filing activity: Aug 20, 1975 → Jan 17, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD781531S1 | Bib | General | 11 | Active |
| US7530579B2 | Handtruck | Performing Operations; Transporting | 5 | Active |
| US3964664A | Beam leaded device welding machine | Performing Operations; Transporting | 4 | Expired |
| US10893142B1 | Contact center authentication | Electricity | 1 | Active |
| US9828264B2 | Hydrogen sulfide abatement in geothermal facilities | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.