John Kollar
33Patents
17h-index
9Co-inventors
74Inventor score
Filing activity: May 11, 1970 → Feb 5, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7918830B2 | Safety device for drug delivery devices and containers | Human Necessities | 107 | Active |
| USD593613S1 | Drug administration safety label | General | 92 | Expired |
| USD588200S1 | Drug administration safety label | General | 80 | Expired |
| USD597608S1 | Drug administration safety label | General | 70 | Expired |
| USD621879S1 | Drug administration safety label | General | 63 | Expired |
| USD621880S1 | Drug administration safety label | General | 61 | Expired |
| USD624595S1 | Drug administration safety label | General | 58 | Expired |
| USD595361S1 | Drug administration safety label | General | 57 | Expired |
| USD602534S1 | Drug administration safety label | General | 55 | Expired |
| USD605229S1 | Drug administration safety label | General | 55 | Expired |
| USD605228S1 | Drug administration safety label | General | 54 | Expired |
| USD605230S1 | Drug administration safety label | General | 51 | Expired |
| USD633151S1 | Drug administration safety label | General | 49 | Expired |
| USD624596S1 | Drug administration safety label | General | 46 | Expired |
| US5321157A | Process for the preparation of adipic acid and other aliphatic dibasic acids | Chemistry; Metallurgy | 43 | Expired |
| USD607941S1 | Drug administration safety label | General | 42 | Expired |
| US5463119A | Recycling process for the production of adipic acid and other aliphatic dibasic acids | Chemistry; Metallurgy | 39 | Expired |
| US5505920A | Process for treatment of waste gas from a cyclohexane oxidation reactor | Performing Operations; Transporting | 13 | Expired |
| USD614703S1 | Drug administration safety label | General | 11 | Expired |
| US4337371A | Production of ethylene glycol by reaction of methanol, an organic peroxide and formaldehyde | Chemistry; Metallurgy | 8 | Expired |
| US3985795A | Process for preparing glycols from their ester precursors | Chemistry; Metallurgy | 7 | Expired |
| US3947500A | Process for treating reaction mixtures by chemical reduction | Chemistry; Metallurgy | 6 | Expired |
| US3960954A | Process for preparing oximes and hydroxylamines | Chemistry; Metallurgy | 5 | Expired |
| US7034189B1 | Preparation of dialkyl peroxides | Chemistry; Metallurgy | 4 | Expired |
| US3947501A | Process for treatment of reaction mixtures by hydrogenation | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.