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E H OTTO KAMMERER DR ING

Overview
  • Total Patents
    32
About

E H OTTO KAMMERER DR ING has a total of 32 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 civil engineering are SAMPYO RAILWAY CO LTD, MCKAY AUSTRALIA and AUGUST HENKES.

Patent filings in countries

World map showing E H OTTO KAMMERER DR INGs patent filings in countries
# Country Total Patents
#1 Germany 32

Patent filings per year

Chart showing E H OTTO KAMMERER DR INGs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

Latest patents

Publication Filing date Title
DE578780C Roller arrangement on head-elastic track-breaking machines moving in both directions
DE519453C Device for the adjustment of the compulsory rolls of track turning machines
DE546061C Track breaking machine
DE594791C Track breaking machine
DE544363C Track turning machine with push rollers that push evenly when the track width changes
DE464677C Track breaking machine for heavy excavator tracks
DE484907C Roller frame adjustment device for tilting track back machines
DE458999C Track breaking machine for heavy excavator tracks
DE484248C Cross sleeper for excavator tracks with rotatable rail fastening on shims
DE458534C Device for removing horizontal layers in flat terrain
DE453241C Zwaengrolleneinstellvorrichtung on track setting machines for worn rails
DE458309C Track breaking machine
DE438686C Device for bridge track back machines to back the track ends
DE438685C Bridge track rolling machine
DE479080C Leveling device for tilting track turning machines
DE529885C Undercarriage for track turning machines
DE457276C Roller setting device for the suspension of the roller carrier of bridge track turning machines
DE502648C Track-breaking machines traveling next to each other on tracks, coupled by horizontal cross connections
DE520718C Track end reverse device
DE438684C Track breaking machine