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SILICA EN OVENBOUW MIJ NV

Overview
  • Total Patents
    48
About

SILICA EN OVENBOUW MIJ NV has a total of 48 patent applications. Its first patent ever was published in 1923. It filed its patents most often in United Kingdom and France. Its main competitors in its focus markets basic materials chemistry, environmental technology and organic fine chemistry are OTTO HELLMANN, DONNER HANNA COKE CORP and HINSELMANN KOKSOFENBAUGESELLSC.

Patent filings in countries

World map showing SILICA EN OVENBOUW MIJ NVs patent filings in countries
# Country Total Patents
#1 United Kingdom 28
#2 France 20

Patent filings per year

Chart showing SILICA EN OVENBOUW MIJ NVs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hiby Walther 1

Latest patents

Publication Filing date Title
GB352828A Improvements relating to centrifuging salts
GB350781A Improvements in apparatus for charging carbonising chambers
GB358981A A process for the compression of coal cakes
GB350262A Improvements relating to the carbonisation of coal
GB353998A Improvements relating to the operation of carbonising chambers
GB337723A Process for recovering naphthalene from gases
GB349604A Improvements in coke ovens
GB344443A Process and apparatus for conversion of methane to liquid hydrocarbons by thermal treatment
GB310938A An improved closure device for the filling openings of ovens for the production of gas and coke
GB310892A An improved device for the utilisation of the sensible heat of the distillation gases from ovens for the production of gas and coke
GB327442A Improvements in horizontal chamber ovens or coke ovens
GB322341A An improvement relating to the utilisation of coke ovens
GB286234A Improvements in regenerative coke-ovens
GB298547A Improvements in the utilisation of heat contained in coke discharged from coke ovens, gas retorts or the like
GB272942A Improvements in coke ovens
GB277269A Improvements in or relating to coke pushing machines
GB270765A Improvements in coke ovens
GB269188A Improvements relating to regenerative coke ovens
GB268832A Improvements relating to coke ovens
GB265984A Improvements in the recovery of benzenes from coal gas