John Misselbrook
35Patents
14h-index
32Co-inventors
81Inventor score
Filing activity: Aug 12, 1980 → Oct 7, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6497290B1 | Method and apparatus using coiled-in-coiled tubing | Fixed Constructions | 110 | Expired |
| US5638904A | Safeguarded method and apparatus for fluid communiction using coiled tubing, with application to drill stem testing | Fixed Constructions | 90 | Expired |
| US6712150B1 | Partial coil-in-coil tubing | Fixed Constructions | 74 | Expired |
| US7273108B2 | Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore | Fixed Constructions | 62 | Expired |
| US7172026B2 | Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore | Fixed Constructions | 60 | Expired |
| US8127851B2 | Mill and method for drilling composite bridge plugs | Fixed Constructions | 38 | Active |
| US6832655B2 | Method for cleaning gravel packs | Fixed Constructions | 33 | Expired |
| US4692988A | Screw thread protection | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6834722B2 | Cyclic check valve for coiled tubing | Fixed Constructions | 31 | Expired |
| US5160530A | Microencapsulated polymorphic agriculturally active material | Human Necessities | 25 | Expired |
| US5984011A | Method for removal of cuttings from a deviated wellbore drilled with coiled tubing | Fixed Constructions | 22 | Expired |
| US6640897B1 | Method and apparatus for through tubing gravel packing, cleaning and lifting | Fixed Constructions | 21 | Expired |
| US4429566A | Piping leakage detection method and apparatus | Physics | 19 | Expired |
| US6387388B1 | Pesticidal formulation | Human Necessities | 17 | Expired |
| US4511395A | Method for the preparation of water dispersible granular herbicidal compositions with increased thermal stability | Human Necessities | 12 | Expired |
| US7735556B2 | Method of isolating open perforations in horizontal wellbores using an ultra lightweight proppant | Fixed Constructions | 11 | Active |
| US5317004A | Microencapsulated yellow polymorphic form of trifluralin | Human Necessities | 10 | Expired |
| US7878247B2 | Methods for cleaning out horizontal wellbores using coiled tubing | Fixed Constructions | 8 | Active |
| US5073191A | Microencapsulated agriculturally active material | Human Necessities | 6 | Expired |
| US8899330B2 | Devices and methods for severing a tube-wire | Fixed Constructions | 4 | Active |
| US8955603B2 | System and method for positioning a bottom hole assembly in a horizontal well | Fixed Constructions | 3 | Active |
| US7690426B2 | Method of repairing failed gravel packs | Fixed Constructions | 3 | Active |
| US8944167B2 | Multi-zone fracturing completion | Fixed Constructions | 3 | Active |
| US8936088B2 | Cutting assembly and method of cutting coiled tubing | Fixed Constructions | 3 | Active |
| US7798227B2 | Methods for placing multiple stage fractures in wellbores | Fixed Constructions | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.