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PARIS & OUTREAU ACIERIES

Overview
  • Total Patents
    180
About

PARIS & OUTREAU ACIERIES has a total of 180 patent applications. Its first patent ever was published in 1923. It filed its patents most often in France, United Kingdom and Germany. Its main competitors in its focus markets civil engineering, transport and materials and metallurgy are ROSENQVIST RAIL AB, STRADA GUIDATA SRL and MINI FUER VERKEHRSWESEN REPRES.

Patent filings in countries

World map showing PARIS & OUTREAU ACIERIESs patent filings in countries

Patent filings per year

Chart showing PARIS & OUTREAU ACIERIESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Perrot R 20
#2 Guillaumin Jean-Claude 15
#3 Perrot Robert 12
#4 Robert Perrot 6
#5 Geymond Robert H 3
#6 Blanc Pierre 2
#7 Guillaumin J 2
#8 Perrot Robert Claude 2
#9 Perrot R C 2
#10 Des Rochettes Pierre 2

Latest patents

Publication Filing date Title
DE2649830A1 Temporary detachable railway vehicle track switching device - has unbroken main track and detachable rail pieces laid at intersection gaps
DE2649832A1 AUTOMATIC TRAILER COUPLING FOR RAIL VEHICLES
DE2649831A1 CROSS BEAM IN A TURNTABLE FOR ROLLING RAILWAY MATERIAL
DE2649833A1 CONNECTION BETWEEN THE LONGITUDINAL AND CROSS MEMBERS OF A VEHICLE BOGIE
IE43559L Improvements in or relating to methods of providing manganese steel track components with steel end pieces
GB1509112A Railway rolling-stock bogie-trucks
US3994754A High elastic-limit, weldable low alloy steel
CH614738A5 Weldable cast steel with a high elastic limit
DE2432548A1 HEART PIECE OF VERY LARGE LENGTH FOR TRACK SYSTEMS FOR VERY LARGE TRAFFIC SPEEDS
GB1480135A Rail crossing frogs suitable for railway tracks designed for trains travelling at very high speeds
DE2429921A1 HEART PIECE
US3787680A Cast steel railway crossing
ES403817A1 Methods of manufacturing an automatic coupling for railway vehicles
ES399702A1 High magnetic permeability steel
FR2126107A1 Moulding steel work pieces - using thermosetting resin coated sand shrink head
FR2054930A6 Rail unit
GB1182409A Improvements in or relating to Slag Ladles
GB1171083A Improvements in or relating to Railway Track Crossings.
GB1179053A Improvements in or relating to reinforced cast steel crossings for railway tracks.
GB1161134A Improvements in or relating to Cast-Steel Railway Crossing Pieces.