Steven R. Hayter
20Patents
8h-index
21Co-inventors
75Inventor score
Filing activity: Oct 10, 1980 → Mar 5, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5462121A | Failsafe liner installation assembly and method | Fixed Constructions | 34 | Expired |
| US7210534B2 | Lock for a downhole tool with a reset feature | Fixed Constructions | 25 | Expired |
| US5323852A | Torque limiter for auger gravel pack assembly | Fixed Constructions | 25 | Expired |
| US5360069A | Failsafe liner installation assembly and method | Fixed Constructions | 23 | Expired |
| US8905149B2 | Expandable seal with conforming ribs | Fixed Constructions | 13 | Active |
| US4325534A | Manually operated blowout preventer and hydraulic operator therefor | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8544548B2 | Water dissolvable materials for activating inflow control devices that control flow of subsurface fluids | Emerging Cross-Sectional Technologies | 10 | Active |
| US8893798B2 | Barrier valve hydraulic operator with compound valve opening force feature | Fixed Constructions | 9 | Active |
| US8469097B2 | Subterranean tubular cutter with depth of cut feature | Fixed Constructions | 8 | Active |
| US8261817B2 | Modular hydraulic operator for a subterranean tool | Fixed Constructions | 7 | Active |
| US9534462B2 | Support cone for retrievable packer | Fixed Constructions | 6 | Active |
| US10378303B2 | Downhole tool and method of forming the same | Physics | 4 | Active |
| US9546535B2 | Packer plug with retractable latch, downhole system, and method of retracting packer plug from packer | Fixed Constructions | 2 | Active |
| US9885217B2 | Non-marring shifting tool collet | Fixed Constructions | 1 | Active |
| US10066452B2 | Shifting tool collet with rolling component | Fixed Constructions | 1 | Active |
| US9828816B2 | Shifting tool collet with axial ridge and edge relief | Fixed Constructions | 1 | Active |
| US7653774B2 | Bridge with sequential software modules | Physics | 1 | Active |
| US8090876B2 | Message handling by a wrapper connected between a kernel and a core | Physics | 0 | Active |
| US9976391B2 | Manufacturing method and apparatus for a collet assembly with congruent corners | Performing Operations; Transporting | 0 | Active |
| US8590628B2 | Selective sleeve system and method of moving a sleeve | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.