Sensor Highway Limited
21Patents
0Active
21Granted
35Portfolio score
Filing activity: Apr 14, 2000 → Jul 2, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6531694B2 | Wellbores utilizing fiber optic-based sensors and operating devices | Physics | 81 | Expired |
| US6920395B2 | Method and apparatus for determining flow rates | Physics | 76 | Expired |
| US6618677B1 | Method and apparatus for determining flow rates | Physics | 56 | Expired |
| US6758271B1 | System and technique to improve a well stimulation process | Fixed Constructions | 49 | Expired |
| US6977367B2 | Providing a light cell in a wellbore | Physics | 48 | Expired |
| US6828547B2 | Wellbores utilizing fiber optic-based sensors and operating devices | Physics | 43 | Expired |
| US6751556B2 | Technique and system for measuring a characteristic in a subterranean well | Physics | 40 | Expired |
| US6557630B2 | Method and apparatus for determining the temperature of subterranean wells using fiber optic cable | Fixed Constructions | 36 | Expired |
| US6997256B2 | Use of fiber optics in deviated flows | Fixed Constructions | 32 | Expired |
| US6913083B2 | Method and apparatus to monitor, control and log subsea oil and gas wells | Fixed Constructions | 32 | Expired |
| US7548319B2 | Interferometric method and apparatus for measuring physical parameters | Physics | 29 | Expired |
| US6568481B2 | Deep well instrumentation | Fixed Constructions | 28 | Expired |
| US7000696B2 | Method and apparatus for determining the temperature of subterranean wells using fiber optic cable | Fixed Constructions | 27 | Expired |
| US6561488B1 | Pipeline cable deployment apparatus and method | Physics | 24 | Expired |
| US6497279B1 | Method of using a heater with a fiber optic string in a wellbore | Physics | 24 | Expired |
| US6668921B2 | Providing a conduit for an instrumentation line | Fixed Constructions | 17 | Expired |
| US6769805B2 | Method of using a heater with a fiber optic string in a wellbore | Physics | 17 | Expired |
| US6640900B2 | Method and apparatus to monitor, control and log subsea oil and gas wells | Fixed Constructions | 17 | Expired |
| US6943340B2 | Method and apparatus of providing an optical fiber along a power supply line | Physics | 14 | Expired |
| US7090008B2 | System to connect conduit sections in a subterranean well | Fixed Constructions | 5 | Expired |
| US6826954B2 | Method and apparatus for flow measurement | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.