Learn more

COUILLARD FRANCOIS

Overview
  • Total Patents
    21
About

COUILLARD FRANCOIS has a total of 21 patent applications. Its first patent ever was published in 1980. It filed its patents most often in France, EPO (European Patent Office) and United Kingdom. Its main competitors in its focus markets measurement, engines, pumps and turbines and chemical engineering are GILSON MED ELECTR, ALTEX SCIENT INC and POLYMETRON AG.

Patent filings per year

Chart showing COUILLARD FRANCOISs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Couillard Francois 15
#2 Garnier Dominique 3
#3 Renot Andre 3
#4 Durand Daniel 2
#5 Beauducel Claude 1
#6 Foucault Alain 1
#7 Couillard François 1
#8 Frot Didier 1
#9 Francois Couillard 1
#10 Gonzalez Pierre 1

Latest patents

Publication Filing date Title
FR2984508A1 System for collecting liquids from outlet tube of e.g. molecules separation/purification instrument in liquid chromatography to search new drugs in e.g. cosmetic industry, has plate positioned on tubes and pierced with conical holes
US2010200488A1 Cells and connecting channels for centrifugal partition chromatography devices
FR2726332A1 Piston pumping system delivering fluids with substantially constant flow rate
FR2681138A1 Improvements to chromatography columns
FR2606882A1 Liquid phase chromatography apparatus
FR2596526A1 Refractometric detector for liquid phase chromatographer
EP0040161A1 Wobble plate of an axial-type piston pump
FR2502702A1 Alternative piston pump with fixed barrel and turntable
FR2484555A1 Pump device for liquid