John Doyle
21Patents
7h-index
15Co-inventors
66Inventor score
Filing activity: Jul 18, 1977 → Aug 16, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8613554B2 | PDC bearing for use in a fluid environment | Mechanical Engineering; Lighting; Heating | 53 | Active |
| US9499205B1 | Hybrid vehicle packaging system | Emerging Cross-Sectional Technologies | 29 | Active |
| US8281866B2 | Production tubing drain valve | Emerging Cross-Sectional Technologies | 21 | Active |
| US7284602B2 | Self-aligning stuffing box | Fixed Constructions | 11 | Expired |
| US7096949B2 | Wiper plug with packer | Fixed Constructions | 10 | Expired |
| US6968897B2 | Anti-rotation tool | Fixed Constructions | 9 | Expired |
| US6681853B2 | Downhole anti-rotation tool | Fixed Constructions | 8 | Expired |
| US7199497B2 | Frameless switched reluctance motor and application as a top drive for a rotary pump | Electricity | 7 | Expired |
| US6951246B2 | Self-anchoring cementing wiper plug | Fixed Constructions | 7 | Expired |
| US7581701B2 | Kite control device | Performing Operations; Transporting | 6 | Active |
| US7621485B2 | Trim line kite control system | Performing Operations; Transporting | 4 | Active |
| US9428944B1 | Articulating closure mechanism for non-aligned closure panels | Fixed Constructions | 3 | Active |
| US9637955B2 | Articulating closure mechanism for non-aligned closure panels | Fixed Constructions | 3 | Active |
| US8459595B2 | Kite control device with free rotation | Performing Operations; Transporting | 2 | Active |
| US4171043A | Transfer mechanism | Performing Operations; Transporting | 1 | Expired |
| US9773584B2 | Triaxial mineral insulated cable in flame sensing applications | Electricity | 1 | Active |
| US6978830B2 | Downhole latch | Fixed Constructions | 0 | Expired |
| US7040392B2 | Bearing assembly for a progressive cavity pump and system for liquid lower zone disposal | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US7308935B2 | Rotary pump stabilizer | Fixed Constructions | 0 | Expired |
| US10361013B2 | Triaxial mineral insulated cable in flame sensing applications | Electricity | 0 | Active |
| US9981533B2 | Articulating closure mechanism for non-aligned closure panels | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.