IPS Interproject Service AB
6Patents
0Active
6Granted
25Portfolio score
Filing activity: Jun 20, 1983 → Oct 29, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6140712A | Wave energy converter | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6226989A | Wave energy converter | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4511372A | Carbon gasification method | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4496369A | Apparatus for gasification of carbon | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4591381A | Process of producing pig iron from iron ore concentrate | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4834791A | Method for producing raw iron from iron concentrates for the manufacture of gas, and plant apparatus for carrying out the method | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.