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WILHELM HILDEBRAND

Overview
  • Total Patents
    31
About

WILHELM HILDEBRAND has a total of 31 patent applications. Its first patent ever was published in 1905. It filed its patents most often in France, United Kingdom and United States. Its main competitors in its focus markets transport, agriculture and electrical machinery and energy are CHAPSAL FRANCOIS JULES, FREINS LIPKOWSKI SOC GEN DES and MARCHESINI LUIGI.

Patent filings in countries

World map showing WILHELM HILDEBRANDs patent filings in countries
# Country Total Patents
#1 France 9
#2 United Kingdom 9
#3 United States 9
#4 Germany 4

Patent filings per year

Chart showing WILHELM HILDEBRANDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wilhelm Hildebrand 9
#2 Hildebrand Wilhelm 9
#3 Sauveur Harry 1
#4 Ewald Hildebrand 1

Latest patents

Publication Filing date Title
US1855965A Plowing machine
US1789750A Single-chamber compressed-air brake
GB345079A Improvements in or relating to single chamber compressed air brakes
US1832393A Single chamber compressed air brake
GB338737A Improvements in or relating to single chamber compressed air brakes
US1832392A Single chamber compressed air brake
US1832391A Single chamber compressed air brake
US1772832A Compressed-air brake
GB318940A Improvements in or relating to single chamber compressed air brakes
GB318875A Improvements in or relating to single chamber compressed air brakes
GB318533A Improvements in or relating to single chamber compressed air brakes
US1714669A Fluid-pressure brake apparatus for railway vehicles
US1618197A Railway brake
GB247535A Improvements in or relating to fluid pressure brake apparatus for railway vehicles