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ERICH KIEFER

Overview
  • Total Patents
    22
About

ERICH KIEFER has a total of 22 patent applications. Its first patent ever was published in 1919. It filed its patents most often in Germany, United Kingdom and United States. Its main competitors in its focus markets chemical engineering, transport and optics are ANDREWS BERNARD R, HERMANN HAAS and RICHARD SCHILDE.

Patent filings in countries

World map showing ERICH KIEFERs patent filings in countries
# Country Total Patents
#1 Germany 12
#2 United Kingdom 5
#3 United States 3
#4 France 2

Patent filings per year

Chart showing ERICH KIEFERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kiefer Erich Dipl-Ing 5
#2 Kiefer Dipl-Ing Erich 5
#3 Erich Kiefer 3
#4 Wilhelm Schmolz 1

Latest patents

Publication Filing date Title
GB820247A Improvements relating to perforated-drum driers
US2964854A Perforated drum drier
US2922229A Apparatus for drying loose fibrous materials and the like
GB826785A Apparatus for drying loose fibrous materials and the like
DE1076070B Perforated drum dryer for drying textiles
DE1038517B Perforated drum dryer
DE1030294B Device for fixing printing inks, equipment, finishes or the like.
GB747269A Improvements in the cleaning of parachutes
GB727383A Method of and an apparatus for drying parachutes
GB725904A Improvements in or relating to the drying of parachutes
US2785479A Parachute drying apparatus
DE1061281B Drying device for parachutes