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LEDENT PIERRE

Overview
  • Total Patents
    27
About

LEDENT PIERRE has a total of 27 patent applications. Its first patent ever was published in 1950. It filed its patents most often in Belgium, Germany and France. Its main competitors in its focus markets civil engineering, organic fine chemistry and chemical engineering are WELL ENGINEERING PARTNERS B V, CAMERON RIG SOLUTIONS INC and RED BARON OIL TOOLS RENTAL.

Patent filings in countries

World map showing LEDENT PIERREs patent filings in countries

Patent filings per year

Chart showing LEDENT PIERREs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ledent Pierre 7

Latest patents

Publication Filing date Title
BE1012151A3 Method to operate a coal deposit by underground coal gasification
BE906016A Novel process for the production of methane by subterranean gasification of coal.
BE904055A Process for improving the conditioning of gasifying agents used in subterranean gasification processes.
BE901891R Methane and hydrocarbon(s) prodn. by underground hydrogenation of coal - involves regulating temp. by addn. of oxygen to gas contg. hydrogen
BE901053A Coal converted underground to methane by hydrogasification - at pressures high enough to develop fissures for uniform hydrogen dispersion
BE892704A Perforation of coal seam by reverse combustion - using combustion-supporting fluid in liq. form
FR2491945A1 Process for producing a high hydrogen gas by subterranean coal gasification
BE890240A New method of preparing sites for the development of underground gasification of coal or lignite sources
BE886433A Process for the exploitation of coal for underground gasification, with a view to the production of a gas with a high hydrogen content
BE885682A Process for producing a high hydrogen gas by subterranean coal gasification
BE885681A Process for the operation by subterranean gasification of a coal or lignite deposit
BE881713A Process and apparatus for drilling a straight hole in a coal vane cut by a survey