Michael J. Bertoja
25Patents
12h-index
44Co-inventors
81Inventor score
Filing activity: Feb 20, 1996 → Dec 20, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8157022B2 | Apparatus string for use in a wellbore | Fixed Constructions | 94 | Active |
| US7762331B2 | Process for assembling a loading tube | Emerging Cross-Sectional Technologies | 92 | Active |
| US8505632B2 | Method and apparatus for deploying and using self-locating downhole devices | Fixed Constructions | 78 | Active |
| US9441470B2 | Self-locating downhole devices | Fixed Constructions | 57 | Active |
| US9033041B2 | Completing a multi-stage well | Fixed Constructions | 42 | Active |
| US6003837A | Valve actuator | Emerging Cross-Sectional Technologies | 40 | Expired |
| US7510001B2 | Downhole actuation tools | Fixed Constructions | 34 | Expired |
| US6079442A | Valve actuator | Emerging Cross-Sectional Technologies | 31 | Expired |
| US9926755B2 | Substantially degradable perforating gun technique | Fixed Constructions | 26 | Active |
| US7661366B2 | Signal conducting detonating cord | Fixed Constructions | 19 | Active |
| US9382790B2 | Method and apparatus for completing a multi-stage well | Fixed Constructions | 14 | Active |
| US9988867B2 | Deploying an expandable downhole seat assembly | Fixed Constructions | 12 | Active |
| US9752407B2 | Expandable downhole seat assembly | Fixed Constructions | 11 | Active |
| US7464761B2 | Flow control system for use in a well | Fixed Constructions | 9 | Active |
| US10364629B2 | Downhole component having dissolvable components | Fixed Constructions | 9 | Active |
| US9546534B2 | Technique and apparatus to form a downhole fluid barrier | Fixed Constructions | 9 | Active |
| US9695677B2 | Disappearing perforating gun system | Fixed Constructions | 9 | Active |
| US10138706B2 | Completing a multi-stage well | Fixed Constructions | 6 | Active |
| US8188881B2 | System and method for controlling multiple well tools | Fixed Constructions | 5 | Active |
| US8944171B2 | Method and apparatus for completing a multi-stage well | Fixed Constructions | 3 | Active |
| US7108065B2 | Technique for preventing deposition products from impeding the motion of a movable component | Fixed Constructions | 3 | Expired |
| US6899318B2 | Wave seal to resist extrusion during equalization | Fixed Constructions | 0 | Expired |
| US7059412B2 | Technique for preventing deposition products from impeding the motion of a movable component | General | 0 | Revoked |
| US11346168B2 | Self-propelling perforating gun system | Fixed Constructions | 0 | Active |
| US10400557B2 | Method and apparatus for completing a multi-stage well | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.