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WIRTSCHAFTLICHEN BAHNOBERBAU M

Overview
  • Total Patents
    21
About

WIRTSCHAFTLICHEN BAHNOBERBAU M has a total of 21 patent applications. Its first patent ever was published in 1926. It filed its patents most often in Germany, Austria and Canada. Its main competitors in its focus markets civil engineering are ATTIVITA IND TRIESTINE SPA, HAARMANN AUGUST and HYLE JACOB ALVIN.

Patent filings in countries

World map showing WIRTSCHAFTLICHEN BAHNOBERBAU Ms patent filings in countries
# Country Total Patents
#1 Germany 11
#2 Austria 2
#3 Canada 2
#4 Switzerland 2
#5 France 2
#6 United Kingdom 2

Patent filings per year

Chart showing WIRTSCHAFTLICHEN BAHNOBERBAU Ms patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

Top inventors

# Name Total Patents
#1 Hellermann August 2
#2 Gesellschaft Fuer Wirtschaftli 1
#3 Bahnoberbau M B H Gesellschaft 1

Latest patents

Publication Filing date Title
DE539950C Rail connection with brackets welded to the side of the rail ends
DE531971C Rail connection with undercuts under tension that are arranged in the tension zone of the abutting rail ends
GB329634A Improvements in or relating to railway or tramway rail joints
DE537617C Rail joint connection by means of brackets welded to the head and feet of the rail ends
DE547912C Rail joint connection with a raised elastic auxiliary rail arranged on one side of the rail ends
DE528051C Seam welded connection, especially for rail joints
GB308555A Improvements in railway and tramway rail joints
DE532410C Rail joint connection with a raised elastic auxiliary rail arranged on one side of the rail ends
DE529884C Rail joint connection with a raised elastic auxiliary rail arranged on one side of the rail ends
DE528048C One-piece rail hiking clamp
DE523810C Seam welded connection, especially for rail joints
DE519818C Rail joint connection with a raised elastic auxiliary rail arranged on one side of the rail ends
CA293356A Rail joint
CA309057A Rail joint
DE508172C Seam welding, especially for rail joints