David Epstein
13Patents
7h-index
7Co-inventors
59Inventor score
Filing activity: Feb 13, 1974 → Nov 27, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD804045S1 | Orthotic insert | General | 46 | Active |
| USD767986S1 | Kippah case with domed insert | General | 37 | Active |
| US4111253A | Foundry processes and compositions | Performing Operations; Transporting | 12 | Expired |
| US4183759A | Hardenable compositions | Chemistry; Metallurgy | 11 | Expired |
| US4346891A | Rackets | Human Necessities | 10 | Expired |
| USD1001454S1 | Insole | General | 9 | Active |
| US4106944A | Hardenable compositions | Performing Operations; Transporting | 7 | Expired |
| US7598083B2 | Chemically defined media compositions | Chemistry; Metallurgy | 6 | Active |
| US3938578A | Method for making foundry moulds and cores utilizing a gas catalyst | Performing Operations; Transporting | 5 | Expired |
| USD260025S | Racket frame | General | 2 | Expired |
| US4236569A | Foundry processes and compositions | Performing Operations; Transporting | 1 | Expired |
| US11974636B2 | Method and article for forming a foot insole exhibiting a pinched edge profile | Human Necessities | 0 | Active |
| US12419635B2 | Suture guide | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.