Mannesmannufer Aktiengesellschaft
4Patents
0Active
4Granted
22Portfolio score
Filing activity: May 11, 1978 → Jun 28, 1994
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4390568A | Lining a steel pipe internally with a cement mortar | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4213552A | Conveyor belt for filmstrip positioning | Physics | 0 | Expired |
| US5509447A | 2/2 directional seat valve | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5232740A | Method of manufacturing plated hollow blocks | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.