Ralph E. Steger
12Patents
6h-index
2Co-inventors
56Inventor score
Filing activity: Jul 28, 1986 → Jan 13, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD422665S | Flotation device | General | 29 | Expired |
| USD623714S1 | Personal flotation device | General | 27 | Expired |
| US6193632A | Trampoline pad assembly | Human Necessities | 26 | Expired |
| US5911612A | Foldable, inflatable flotation device with improved retention means | Performing Operations; Transporting | 19 | Expired |
| US6582267B1 | Personal flotation device | Performing Operations; Transporting | 15 | Expired |
| US6582266B1 | Personal flotation device | Performing Operations; Transporting | 13 | Expired |
| USD300548S | Inflatable flotation jacket | General | 6 | Expired |
| US5249999A | Life jacket | Performing Operations; Transporting | 4 | Expired |
| USD673636S1 | Flotation device | General | 3 | Active |
| US6283894A | Trampoline pad assembly | Human Necessities | 3 | Expired |
| USD674854S1 | Flotation device | General | 2 | Active |
| US8696398B2 | Quick detach inflatable lifejacket | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.