OMV Aktiengesellschaft
7Patents
0Active
7Granted
28Portfolio score
Filing activity: Nov 20, 1974 → Feb 21, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3990605A | Closure means for circular openings of large diameter | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4565212A | Device for the step-wise pressure release on the expansion of, in particular hot, gases | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4231960A | Process for the purification of urea solutions containing biuret and the like | Chemistry; Metallurgy | 9 | Expired |
| US5232464A | Fuel for internal combustion engines and use of methyl formate as fuel additive | Chemistry; Metallurgy | 6 | Expired |
| US4240949A | Polymeric compositions and process for their production | Chemistry; Metallurgy | 3 | Expired |
| US4454912A | Swab hoist use thereof in conveying crude oil and natural gas | Fixed Constructions | 2 | Expired |
| US4203881A | Pointing compound | Fixed Constructions | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.