Tom Hill
8Patents
6h-index
11Co-inventors
60Inventor score
Filing activity: Apr 16, 1975 → May 21, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6644412B2 | Flow control apparatus for use in a wellbore | Fixed Constructions | 117 | Expired |
| US6839411B1 | Graphical user interface and method for displaying messages | Electricity | 72 | Expired |
| US6883613B2 | Flow control apparatus for use in a wellbore | Fixed Constructions | 41 | Expired |
| US7059401B2 | Flow control apparatus for use in a wellbore | Fixed Constructions | 38 | Expired |
| US5992897A | Joining lined pipe items | Emerging Cross-Sectional Technologies | 22 | Expired |
| US3973586A | Velocity-tubing pressure actuated subsurface safety valve | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4965937A | Tool joint gauge | Physics | 6 | Expired |
| US10164774B2 | Securing a directed acyclic graph | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.