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HOLTER ALFRED

Overview
  • Total Patents
    16
About

HOLTER ALFRED has a total of 16 patent applications. Its first patent ever was published in 1914. It filed its patents most often in Denmark, Canada and Spain. Its main competitors in its focus markets mechanical elements and consumer goods are JENSEN ORLA VILHELM, WALDES KOH I NOOR and ACHILLE FRANCOIS RAYMOND.

Patent filings in countries

World map showing HOLTER ALFREDs patent filings in countries
# Country Total Patents
#1 Denmark 7
#2 Canada 3
#3 Spain 3
#4 Austria 1
#5 United Kingdom 1
#6 United States 1

Patent filings per year

Chart showing HOLTER ALFREDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Holter Alfred 13

Latest patents

Publication Filing date Title
ES143121A1 Procedure for the construction of concrete roads.
ES142863A1 Procedure to obtain grooves or expansion joints in concrete pavements.
ES140673A1 Procedure for the construction of pavements or concrete roads.
US1197291A Fastening-plate.
GB191501945A Improvements in or relating to Apparatus for Connecting Buttons or other Articles or Material to Fabrics.
CA164456A Nitrate of lime reduction
CA353153A Concrete road making machine
CA364087A Concrete road surfacing apparatus