Learn more

OTTO HILGER

Overview
  • Total Patents
    20
About

OTTO HILGER has a total of 20 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United Kingdom. Its main competitors in its focus markets transport, mechanical elements and materials and metallurgy are FAIVELEY TRANSPORT REMSCHEID, BERGISCHE STAHLINDUSTRIE and CRRC CHANGZHOU TECH-MARK IND CO LTD.

Patent filings in countries

World map showing OTTO HILGERs patent filings in countries
# Country Total Patents
#1 United Kingdom 20

Patent filings per year

Chart showing OTTO HILGERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sohnchen Ernst 2
#2 Thomas Gunter 1
#3 Fechner Heinrich 1

Latest patents

Publication Filing date Title
GB1031843A Improvements in automatic central couplings for railway vehicles
GB982199A Device for the supporting and centering of railway rolling stock couplings
GB914577A Displaceable central couplings for railway vehicles
GB885012A Improvements in couplings
GB882812A A convertible automatic to non-automatic coupling
GB899772A Convertible automatic to non-automatic coupling for rail vehicles
GB851336A Improvements in closures for pressure vessels
GB853244A Improvements in railway vehicle couplings
GB851457A Improvements in vehicle couplings and draw gear
GB828491A Improvements in vehicle draw gear couplings
GB835463A Improvements relating to the decarburisation of cast-iron
GB827305A Improvements in automatic buffer couplings, more particularly for rail vehicles
GB799577A Improvements in or relating to disk brakes for vehicles, in particular for motor vehicles
GB758585A Winding drum for tape, particularly for metal tape
GB752725A Improvements relating to containers for small artieles
GB730510A An improved reel for use in heating and annealing furnaces
GB713623A Improvements in or relating to disc brakes
GB715234A Improvements in or relating to disc brakes for vehicles
GB698730A Improvements in or relating to disc brake arrangements for wheels
GB707929A Improvements in hot blast slide valves