Henri Cholet
19Patents
12h-index
13Co-inventors
75Inventor score
Filing activity: Jan 26, 1978 → Jun 7, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5086842A | Device and installation for the cleaning of drains, particularly in a petroleum production well | Fixed Constructions | 115 | Expired |
| US4718824A | Usable device, in particular for the pumping of an extremely viscous fluid and/or containing a sizeable proportion of gas, particularly for petrol production | Physics | 60 | Expired |
| US5320500A | Continuous mixing device, method and use in an installation for pumping a high viscosity fluid | Fixed Constructions | 46 | Expired |
| US6336796B1 | Progressive-cavity pump with composite stator and manufacturing process | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US4222447A | Drill bit with suction jets | Fixed Constructions | 24 | Expired |
| US4239087A | Drill bit with suction jet means | Fixed Constructions | 24 | Expired |
| US4240513A | Drill bit with suction jet means | Fixed Constructions | 23 | Expired |
| US5280825A | Device and installation for the cleaning of drains, particularly in a petroleum production well | Fixed Constructions | 21 | Expired |
| US4733734A | Method and improvement to drilling tools comprising water passages providing great efficiency in cleaning the cutting face | Fixed Constructions | 20 | Expired |
| US5113937A | Device for separating a mixture of free gas and liquid at the intake of a pump at the bottom of a drilled well | Fixed Constructions | 18 | Expired |
| US4245708A | Blade stabilizer provided with at least one fluid passage having a venturi effect, in particular for use in combination with a drill bit | Fixed Constructions | 15 | Expired |
| US5667369A | Volumetric pump driven by a continuous tube | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4957161A | Device for pumping a fluid at the bottom of a well | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4378051A | Driving device for displacing an element in a conduit filled with liquid | Fixed Constructions | 10 | Expired |
| US4886131A | Inclined-jet drilling tool | Fixed Constructions | 10 | Expired |
| US4738320A | Method and improvement to drilling tools allowing great efficiency in cleaning the cutting face | Fixed Constructions | 8 | Expired |
| US5562433A | Pumping system comprising a high-capacity positive-displacement pump | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5348094A | Device and method for pumping a viscous liquid comprising injecting a thinning product, application to horizontal wells | Fixed Constructions | 7 | Expired |
| US5829529A | Method and device for producing by pumping in a horizontal drain hole | Fixed Constructions | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.