Aker Subsea AS
49Patents
47Active
49Granted
55Portfolio score
Filing activity: Jul 1, 2004 → Feb 5, 2014 · 21 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD649641S1 | Riser and umbilical clamp | General | 43 | Expired |
| US8091861B2 | Valve for use in connection with oil production and gas production | Mechanical Engineering; Lighting; Heating | 18 | Active |
| US9010431B2 | Subsea orientation and control system | Fixed Constructions | 16 | Active |
| US8919092B2 | SZ winding machine | Emerging Cross-Sectional Technologies | 12 | Active |
| US8739883B2 | Internal tree cap and ITC running tool | Fixed Constructions | 12 | Active |
| US8057126B2 | Connector means | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US9624753B2 | Subsea valve | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US7654328B2 | Subsea compressor module and a method for controlling the pressure in such a subsea compressor module | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US8733452B2 | Riser section connector with flanges and external locking ring | Fixed Constructions | 7 | Active |
| US8304651B2 | Umbilical | Emerging Cross-Sectional Technologies | 7 | Active |
| US8672366B2 | Pipe coupling arrangement | Emerging Cross-Sectional Technologies | 6 | Active |
| US9080408B2 | BOP lock down | Fixed Constructions | 6 | Active |
| US8783630B2 | Riser clamp | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US9601925B2 | Stable subsea electric power transmission to run subsea high speed motors | Electricity | 5 | Active |
| US9068676B2 | Vertical connector | Fixed Constructions | 4 | Active |
| US8627891B2 | Manifold structure having adjustable brackets | Emerging Cross-Sectional Technologies | 3 | Active |
| US9464497B2 | Seal holder and method for sealing a bore | Fixed Constructions | 3 | Active |
| US8720581B2 | Production manifold accessory | Fixed Constructions | 3 | Active |
| US9322225B2 | Weak link for a riser system | Fixed Constructions | 3 | Active |
| US9194511B2 | Valve stem seal arrangement | Fixed Constructions | 3 | Active |
| US9217315B2 | Subsea well template | Fixed Constructions | 3 | Active |
| US8270793B2 | Power umbilical | Emerging Cross-Sectional Technologies | 3 | Active |
| US9353592B2 | Subsea Xmas tree assembly and associated method | Fixed Constructions | 3 | Active |
| US9470069B2 | Subsea well assembly and associated method | Fixed Constructions | 3 | Active |
| US9222338B2 | Tool for a horizontal connecting device | Mechanical Engineering; Lighting; Heating | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.