SOFEC, INC.
61Patents
38Active
61Granted
47Portfolio score
Filing activity: Jan 13, 1975 → Dec 21, 2023 · 8 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5316509A | Disconnectable mooring system | Performing Operations; Transporting | 35 | Expired |
| US5372531A | Disconnectable mooring system | Performing Operations; Transporting | 32 | Expired |
| US5356321A | Disconnectable mooring system | Performing Operations; Transporting | 30 | Expired |
| US5240446A | Disconnectable mooring system | Performing Operations; Transporting | 29 | Expired |
| US4530302A | Submerged single point mooring apparatus | Performing Operations; Transporting | 23 | Expired |
| US4102146A | Method of and apparatus for handling hose underwater | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4647077A | High pressure product swivel | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4662386A | Subsea petroleum products storage system | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4516942A | Tower mounted mooring apparatus | Performing Operations; Transporting | 18 | Expired |
| US7926436B2 | Dual axis chain support with chain pull through | Performing Operations; Transporting | 17 | Active |
| US5292271A | Disconnectable mooring system | Performing Operations; Transporting | 16 | Expired |
| US8186170B2 | Floating LNG regasification facility with LNG storage vessel | Mechanical Engineering; Lighting; Heating | 16 | Active |
| US7717762B2 | Detachable mooring system with bearings mounted on submerged buoy | Performing Operations; Transporting | 13 | Active |
| US4665856A | Mooring apparatus | Performing Operations; Transporting | 11 | Expired |
| US8763549B2 | Adjustable and disconnectable submerged-yoke mooring system | Performing Operations; Transporting | 11 | Active |
| US5306186A | Disconnectable mooring system | Performing Operations; Transporting | 11 | Expired |
| US5129848A | Controllable variable depth mooring system and method | Performing Operations; Transporting | 10 | Expired |
| US7513208B1 | Disconnectable mooring system with vessel-mounted tensioning device | Performing Operations; Transporting | 10 | Active |
| US7421967B1 | Mooring apparatus and method | Performing Operations; Transporting | 10 | Active |
| US7959480B2 | Detachable mooring and fluid transfer system | Performing Operations; Transporting | 9 | Active |
| US7225749B2 | Turret mooring system for concrete hull vessel | Performing Operations; Transporting | 9 | Expired |
| US7325508B2 | Dual-axis chain support assembly | Performing Operations; Transporting | 9 | Expired |
| US8671864B2 | Turret bearing structure for vessels | Performing Operations; Transporting | 8 | Active |
| US3942204A | Swivel arrangement for single anchor leg mooring buoy | Performing Operations; Transporting | 8 | Expired |
| US7299760B2 | Floating LNG import terminal and method for docking | Performing Operations; Transporting | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.