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WILHELM HILDEBRAND DR ING

Overview
  • Total Patents
    13
About

WILHELM HILDEBRAND DR ING has a total of 13 patent applications. Its first patent ever was published in 1925. It filed its patents most often in Germany. Its main competitors in its focus markets transport, electrical machinery and energy and engines, pumps and turbines are FREINS LIPKOWSKI SOC GEN DES, AUTOMATIC STRAIGHT AIR BRAKE C and WESTINGHOUSE BRAKES UK LTD.

Patent filings in countries

World map showing WILHELM HILDEBRAND DR INGs patent filings in countries
# Country Total Patents
#1 Germany 13

Patent filings per year

Chart showing WILHELM HILDEBRAND DR INGs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
DE550773C Brake force regulator for air brakes with master and additional brake cylinder
DE542787C Electrically and pneumatically controlled air brake
DE518326C Single chamber compressed air brake
DE494012C Single-chamber air brake with two control valves
DE496839C Single-chamber air brake with two control valves
DE493492C Device for monitoring the filling of a control chamber with control valves and release valves on single-chamber compressed air brakes
DE464219C Air brake with brake accelerator and transfer chamber
DE479359C Sealing device for the pistons of rotary piston machines which can be moved radially in the piston drum
DE440777C Brake accelerator for single-chamber compressed air brakes
DE424495C Air brake with brake accelerator and transfer chamber
DE549738C Device for delaying the filling of a compressed air container from the compressed air line via a container influencing the control, in particular in the case of compressed air brakes
DE456103C Roll membrane
DE513218C Single-chamber air brake with two control valves influenced by the pressure changes in the brake line