VARCO I/P, INC.
191Patents
43Active
191Granted
48Portfolio score
Filing activity: Aug 17, 1999 → Jun 29, 2018 · 38 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6443241B1 | Pipe running tool | Fixed Constructions | 166 | Expired |
| US7159654B2 | Apparatus identification systems and methods | Fixed Constructions | 122 | Expired |
| US6637526B2 | Offset elevator for a pipe running tool and a method of using a pipe running tool | Fixed Constructions | 117 | Expired |
| US6691801B2 | Load compensator for a pipe running tool | Fixed Constructions | 108 | Expired |
| US6578422B2 | Ultrasonic detection of flaws in tubular members | Physics | 106 | Expired |
| US6527493B1 | Handling of tube sections in a rig for subsoil drilling | Fixed Constructions | 88 | Expired |
| US7243735B2 | Wellbore operations monitoring and control systems and methods | Fixed Constructions | 79 | Expired |
| US6944547B2 | Automated rig control management system | Fixed Constructions | 74 | Expired |
| US7055594B1 | Pipe gripper and top drive systems | Fixed Constructions | 68 | Expired |
| US6510947B1 | Screens for vibratory separators | Performing Operations; Transporting | 68 | Expired |
| US7165619B2 | Subsea intervention system, method and components thereof | Fixed Constructions | 68 | Expired |
| US7484625B2 | Shale shakers and screens with identification apparatuses | Performing Operations; Transporting | 66 | Active |
| US6622561B2 | Tubular member flaw detection | Physics | 65 | Expired |
| US7000777B2 | Vibratory separator screens | Performing Operations; Transporting | 63 | Expired |
| US6745136B2 | Pipe inspection systems and methods | Physics | 62 | Expired |
| US6748808B2 | Flaw detection in tubular members | Physics | 61 | Expired |
| US7216767B2 | Screen basket and shale shakers | Performing Operations; Transporting | 60 | Expired |
| US6976540B2 | Method and apparatus for offline standbuilding | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6907375B2 | Method and apparatus for dynamic checking and reporting system health | Physics | 58 | Expired |
| USD543833S1 | Support link | General | 58 | Expired |
| US7367396B2 | Blowout preventers and methods of use | Emerging Cross-Sectional Technologies | 57 | Active |
| US7100698B2 | Make-up control system for tubulars | Fixed Constructions | 54 | Expired |
| US7096977B2 | Pipe running tool | Fixed Constructions | 53 | Expired |
| US7306057B2 | Thermal drill cuttings treatment with weir system | Fixed Constructions | 52 | Expired |
| US7077209B2 | Mast for handling a coiled tubing injector | Fixed Constructions | 51 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.