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BOHUMIL JIROTKA

Overview
  • Total Patents
    67
About

BOHUMIL JIROTKA has a total of 67 patent applications. Its first patent ever was published in 1908. It filed its patents most often in Germany, United Kingdom and France. Its main competitors in its focus markets surface technology and coating, basic materials chemistry and textiles and paper are KASAGI RIYOUICHI, OTTO SPRENGER PATENTVERWERTUNG and DIPSOL CHEM CO LTD.

Patent filings in countries

World map showing BOHUMIL JIROTKAs patent filings in countries
# Country Total Patents
#1 Germany 45
#2 United Kingdom 17
#3 France 5

Patent filings per year

Chart showing BOHUMIL JIROTKAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jirotka Bohumil 6
#2 Bohumil Jirotka 1

Latest patents

Publication Filing date Title
GB615353A Method of, and arrangement for, manufacturing building material
GB523340A An improved method of and device for producing mud for mud-baths or the like
GB352665A Improvements in or relating to processes for the production of materials adapted to be moulded and fired from raw material containing lime
GB286729A An improved method of producing coatings on aluminium and its alloys
GB305149A Improvements in and relating to the prevention of corrosion of articles made of aluminium and aluminium alloys
GB260959A Process for the conversion of electrical into acoustic oscillations or vice versa
GB256938A A method of producing coloured lighting effects for signalling, advertising and cinematographic purposes as well as for illuminating fountains or the like
GB278780A Improvements in or relating to loud speakers
GB254339A Improvements relating to electric telephones, loud speakers and the like
GB274949A Improvements in and relating to processes and apparatus for the production of margarine and like edible fats
GB262643A Improved method of and apparatus for melting blocks of hard fats
GB263371A A method of and apparatus for delivering measured quantities of fat and other fusible substances
GB251254A Variable electric condenser
GB276471A Process and apparatus for the production of hard homogeneous combustible material, or objects such as picture frames, blackboards, lighting structures and the like from peat, peat moss, lignite and similar substances
GB249971A Process for producing metal coatings on articles of aluminium and aluminium alloys
GB191319882A Automatic Device for Separating and Fixing Parts of a Strip, Postage Stamps and the like.