Plasmainvent AG
6Patents
0Active
6Granted
26Portfolio score
Filing activity: Jan 21, 1977 → May 22, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4661682A | Plasma spray gun for internal coatings | Electricity | 56 | Expired |
| US4596718A | Vacuum plasma coating apparatus | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4227835A | Apparatus for the metered supply of powder to a powder processing unit | Electricity | 25 | Expired |
| US4199104A | Plasma spraying apparatus | Electricity | 10 | Expired |
| US4809947A | Flow regulation valve | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US4898785A | CR.sub.2 O.sub.3 -protective coating and process for its manufacture | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.