Patent assignee · FR · COMPANY

Total

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17Patents
1Active
17Granted
33Portfolio score

Filing activity: Jun 10, 1992 → May 18, 2020

Most-cited patents

PatentTitleAreaCited byStatus
US6426010B1 Device and method for separating a heterogeneous mixture Fixed Constructions 40 Expired
US5957227A Blade-equipped drilling tool, incorporating secondary cutting edges and passages designed for the removal of evacuated material Fixed Constructions 30 Expired
US5293946A Divergent fluid nozzle for drilling tool Fixed Constructions 23 Expired
USD349056S Fluid-dispensing container General 22 Expired
US5282512A Drilling tool with rotating conical rollers Fixed Constructions 20 Expired
US5550761A Method for modelling multiphase flows in pipelines Physics 20 Expired
USD346331S Fluid-dispensing container General 19 Expired
US5301762A Drilling tool fitted with self-sharpening cutting edges Fixed Constructions 18 Expired
US5823277A Cutting edge for monobloc drilling tools Fixed Constructions 15 Expired
US5230389A Fluidic oscillator drill bit Emerging Cross-Sectional Technologies 15 Expired
US5661248A Method and apparatus for non-intrusive measurement and control of the flow rates of the different phases of a multiphase fluid in a pipeline Physics 10 Expired
US6102142A Drilling tool with shock absorbers Fixed Constructions 9 Expired
US6401843B1 Drilling head with a cone rock bit Mechanical Engineering; Lighting; Heating 8 Expired
US5465609A Apparatus for study of gas migration in cement slag Physics 4 Expired
US6101446A Method for charting drillable zones in an oilfield avoiding anomaly zones Physics 1 Expired
US11231323B2 Time-resolved hyper-spectral single-pixel imaging Physics 0 Active
US6886206B1 Scraper for inhibiting corrosion in the arch of a pipe carrying a multiphase corrosive liquid Mechanical Engineering; Lighting; Heating 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.