Blohm & Voss GmbH
60Patents
0Active
60Granted
39Portfolio score
Filing activity: Dec 10, 1974 → Jun 8, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4486123A | Underwater pipe laying vessel | Performing Operations; Transporting | 38 | Expired |
| US5643026A | Safety device for seal systems for propeller shafts on ships | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4693665A | Large force multi-axis manipulating arm unit, especially for use as an industrial robot | Performing Operations; Transporting | 36 | Expired |
| US5267736A | Sealing apparatus for rotating shafts, in particular stern tube seal for the propeller shaft of a ship | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5616056A | Auxiliary propulsion system for seagoing ships | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4678439A | Engine installation for use in a ship | Performing Operations; Transporting | 21 | Expired |
| US4665653A | Ship's door or hatch arrangement | Performing Operations; Transporting | 19 | Expired |
| US4606727A | Anchoring arrangement for a tanker, including a fluid transfer system | Performing Operations; Transporting | 18 | Expired |
| US5219434A | Sealing arrangement for rotating propeller shafts of ships | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4031838A | Modular interchangeable weapons sub-assembly system for warships | Performing Operations; Transporting | 16 | Expired |
| US5348285A | Hold-down device on handling machines, in particular punching machines, for thin, flat objects in particular sheets of paper | Performing Operations; Transporting | 16 | Expired |
| US5137116A | Sealing device for a rotating shaft of a ship propeller shaft | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4257889A | Oil skimming apparatus | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5683278A | Stern tube seal with a pressure control system to adjust to the changing draft of ocean-going ships | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5624290A | Seal arrangement for propeller shafts of ships | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4586908A | Exhaust gas system for the internal combustion engines of a ship | Performing Operations; Transporting | 12 | Expired |
| US3991597A | Method and device for adjusting forming rolls in a helical seam pipe mill | Performing Operations; Transporting | 12 | Expired |
| US5374208A | Ship, in particular deep draft vessel having concentric, contra-rotating propellers | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4061264A | Method for producing helical seam pipes | Performing Operations; Transporting | 12 | Expired |
| US5795199A | Propeller drive for watercraft | Performing Operations; Transporting | 11 | Expired |
| US4553493A | Warship with standardized operating units | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5209497A | Sealing apparatus for rotating shafts, in particular stern tube seal for the propeller shafts of a ship | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5411273A | Lip seal to seal a shaft, in particular a ship's propeller shaft | Performing Operations; Transporting | 9 | Expired |
| US4643643A | Apparatus for adjusting and locking pitch of a variable pitch propeller on a ship | Performing Operations; Transporting | 9 | Expired |
| US4637336A | Permanent anchoring arrangement for floating structures | Performing Operations; Transporting | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.