Michael Hayes
21Patents
10h-index
48Co-inventors
75Inventor score
Filing activity: Aug 9, 1995 → Sep 1, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5577566A | Releasing tool | Fixed Constructions | 123 | Expired |
| US6056060A | Compensator system for wellbore tubulars | Fixed Constructions | 104 | Expired |
| US6000472A | Wellbore tubular compensator system | Fixed Constructions | 100 | Expired |
| US7874352B2 | Apparatus for gripping a tubular on a drilling rig | Fixed Constructions | 64 | Active |
| US7370707B2 | Method and apparatus for handling wellbore tubulars | Fixed Constructions | 53 | Expired |
| US6082224A | Power tong | Fixed Constructions | 51 | Expired |
| US8141642B2 | Fill up and circulation tool and mudsaver valve | Fixed Constructions | 38 | Active |
| US8567512B2 | Apparatus for gripping a tubular on a drilling rig | Fixed Constructions | 37 | Active |
| US8757937B1 | Drill template tool with integral seal | Emerging Cross-Sectional Technologies | 14 | Active |
| US9109979B2 | Z-axis test coupon structure and method for additive manufacturing process | Emerging Cross-Sectional Technologies | 11 | Active |
| US7249637B2 | Method and device to clamp control lines to tubulars | Fixed Constructions | 10 | Expired |
| US8733447B2 | Landing string compensator | Fixed Constructions | 7 | Active |
| US7926577B2 | Methods and apparatus for supporting tubulars | Fixed Constructions | 6 | Active |
| US7740078B2 | Method and device to clamp control lines to tubulars | Fixed Constructions | 5 | Active |
| US9689783B2 | Z-axis test coupon structure and method for additive manufacturing process | Emerging Cross-Sectional Technologies | 4 | Active |
| US10138690B2 | Apparatus for gripping a tubular on a drilling rig | Fixed Constructions | 3 | Active |
| US9353603B2 | Landing string compensator | Fixed Constructions | 1 | Active |
| US10201940B2 | Apparatus and method to predetermine a mechanical property of a three-dimensional object built by additive manufacturing | Physics | 1 | Active |
| US9212527B2 | Pipe handling system | Fixed Constructions | 0 | Active |
| US8833470B2 | Pipe handling system | Fixed Constructions | 0 | Active |
| US9650873B2 | Landing string compensator | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.