Learn more

DROFF CHEMINEES

Overview
  • Total Patents
    22
About

DROFF CHEMINEES has a total of 22 patent applications. Its first patent ever was published in 1972. It filed its patents most often in France, Germany and EPO (European Patent Office). Its main competitors in its focus markets thermal processes and machines are HENNIGES & HOLZHEUER, BOIDRON MICHEL and PELZER BERNHARD.

Patent filings in countries

World map showing DROFF CHEMINEESs patent filings in countries

Patent filings per year

Chart showing DROFF CHEMINEESs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Richard Gilbert Gerard 5
#2 Richard Gilbert G 1
#3 Richard Gilbert 1
#4 Richard G G 1
#5 Richard G 1
#6 Pibernat Thierry 1

Latest patents

Publication Filing date Title
EP0040557A1 Heating device with a heat-recovery system
FR2419468A1 LIVE COMBUSTION APPLIANCE
US3910252A Open hearth-room-heating devices working on closed circuit
ES415195A3 Tragic device for domestic chimney. (Machine-translation by Google Translate, not legally binding)
DE2253147A1 DEVICE FOR STEERING THE GAS FLOW IN THE ENTRANCE OF A CHIMNEY AND REGULATING THE DRAFT