Mannesmann DeMag A.G.
9Patents
0Active
9Granted
28Portfolio score
Filing activity: Dec 26, 1978 → Feb 20, 1981
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4350241A | Mobile delivery flow equalizer | Performing Operations; Transporting | 97 | Expired |
| US4337704A | Turbulent-water way | Human Necessities | 52 | Expired |
| US4239189A | Handling apparatus for probe tubes to be attached to temperature gage and/or sampling lances in the _metallurgical field | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4345939A | Method for providing oxygen enhanced air for use in metallurgical processes | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4353606A | Mounting for a driven wheel | Performing Operations; Transporting | 3 | Expired |
| US4354670A | Lining apparatus for metallurgical vessels, particularly for steel mill converters and/or blast furnaces | Chemistry; Metallurgy | 3 | Expired |
| US4239101A | Quick change apparatus for guide rollers | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4254711A | Metallurgical vessel handling vehicle | Performing Operations; Transporting | 2 | Expired |
| US4354669A | Apparatus for regulating the quantities and percentages of the gaseous constituents of oxygen, nitrogen, carbon dioxide and water in reaction processes in metallurgical applications | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.