McDermott Incorporated
19Patents
0Active
19Granted
33Portfolio score
Filing activity: Nov 7, 1979 → Jul 13, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4594871A | Reel type continuous marine pipe laying system | Performing Operations; Transporting | 23 | Expired |
| US4498811A | Underwater pipeline sealing apparatus | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4765776A | Convertible barge | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4422799A | Method for installing submarine pipelines using a marine railway system | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4721286A | Split block for extended travel | Performing Operations; Transporting | 14 | Expired |
| US4307977A | Removable mudmat and method of use on soft floor | Fixed Constructions | 12 | Expired |
| US4705430A | Composite leg platform | Fixed Constructions | 11 | Expired |
| US4446977A | Roller support for load handling devices | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4497594A | Offshore structure and method of sinking same | Fixed Constructions | 7 | Expired |
| US4506867A | Jacking apparatus having a fast repositioning stroke | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4373835A | Removable closure plate | Fixed Constructions | 6 | Expired |
| US4278041A | Anchor handling guides | Performing Operations; Transporting | 6 | Expired |
| US4822221A | Internal flash removal unit | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4717353A | Docking head and plate | Electricity | 4 | Expired |
| US4675473A | Flexible conductor for welding | Performing Operations; Transporting | 4 | Expired |
| US4484559A | Apparatus for removing material such as concrete from underwater pipelines | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4775265A | Removable closure device | Fixed Constructions | 1 | Expired |
| US4478389A | Jacking apparatus adjustable for alignment variations | Performing Operations; Transporting | 0 | Expired |
| US4397582A | Method of creating a cold water conduit to be used in ocean thermal energy conversion systems | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.