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HILDEBRAND WILHELM

Overview
  • Total Patents
    39
About

HILDEBRAND WILHELM has a total of 39 patent applications. Its first patent ever was published in 1896. It filed its patents most often in Austria, United Kingdom and Spain. Its main competitors in its focus markets transport, control and engines, pumps and turbines are CALIFORNIA VALVE AND AIR BRAKE COMPANY, HARDY GEB MASCHF AG and WESTINGHOUSE FREINS.

Patent filings in countries

World map showing HILDEBRAND WILHELMs patent filings in countries
# Country Total Patents
#1 Austria 14
#2 United Kingdom 12
#3 Spain 8
#4 Switzerland 4
#5 United States 1

Patent filings per year

Chart showing HILDEBRAND WILHELMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hildebrand Wilhelm 31

Latest patents

Publication Filing date Title
ES116977A1 A device for checking the distribution and counter-valve load of single-chamber compressed air brakes.
ES115673A1 Single-chamber compressed air brake equipped with a trigger valve to carry out this in a graduated manner.
ES107835A1 A single-chamber compressed air brake system.
ES107806A1 A compressed air brake system, with a single chamber, equipped with two active distribution valves, one of which is operated only by the pressure of the pipe and the air tank, while the other is activated by the pressure of the cilin
ES107805A1 A compressed air brake system, with a single chamber, equipped with two distribution valves operated by the pressure variations that occur in the main brake line.
GB191510610A Improvements in or relating to Compressed Air Brakes.
GB191510542A Improvements in or relating to Compressed Air Brakes.
GB191502901A Improvements in Air Compressors.
GB191416121A Method of and Apparatus for Graduating the Braking Pressure in Compressed Air Brakes.
GB191220667A Improvements in and relating to Brake Accelerators for Compressed Air or Vacuum Brake Systems.
US821870A Regulator for air-pumps.
GB190510544A Improvements in or connected with Air-brakes.
GB190301151A Improvements in and relating to Air Pressure Brakes for Railway and Tramway Vehicles
GB190212593A Improved Construction of Sand Distributor for Railway and Tramway Carriages
GB190212592A Improvements in and relating to Pneumatic Brake Valves and Sand Distributors for Railway and Tramway Vehicles
GB189612776A An Improved Carburettor or Gas Producer.
GB189608290A An Improved Motor Carriage for Railways.
GB189606915A Improvements in or relating to Motor Cycles and the like.