John A. Hill
18Patents
12h-index
12Co-inventors
75Inventor score
Filing activity: Jan 2, 1973 → Jul 12, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4192785A | Ostomy adhesive | Chemistry; Metallurgy | 103 | Expired |
| US4253460A | Ostomy adhesive | Human Necessities | 81 | Expired |
| US4403991A | Closures for open ended ostomy pouch | Human Necessities | 57 | Expired |
| US4465486A | Closures for open ended ostomy pouch | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4755177A | Closures for open ended ostomy pouch | Human Necessities | 35 | Expired |
| US4001455A | Sweetening compositions | Human Necessities | 33 | Expired |
| US4034077A | Ointments and powders containing sebacic acid | Human Necessities | 26 | Expired |
| US4166051A | Ostomy composition | Human Necessities | 26 | Expired |
| US4204540A | Ostomy composition | Human Necessities | 22 | Expired |
| US3959546A | Textured photographic base paper process and product | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4233295A | Corticosteroid formulations containing sebacate carrier | Human Necessities | 18 | Expired |
| US4676836A | Anionic Lubricant dispersions useful in paper coatings | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4659489A | Lubricant dispersions for paper coating compositions | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4222973A | Process for producing casting release paper and product | Chemistry; Metallurgy | 9 | Expired |
| US6265571A | Purification process for anti-parasitic fermentation product | Chemistry; Metallurgy | 7 | Expired |
| US4727383A | Burnish protected electrosensitive recording | Physics | 3 | Expired |
| US4073861A | Method of using drying oils as oxygen scavenger | Performing Operations; Transporting | 2 | Expired |
| US4857398A | Electrosensitive recording | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.