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TREFILERIES ET LAMINOIRS DE PR

Overview
  • Total Patents
    16
About

TREFILERIES ET LAMINOIRS DE PR has a total of 16 patent applications. Its first patent ever was published in 1956. It filed its patents most often in France, United States and United Kingdom. Its main competitors in its focus markets machine tools, surface technology and coating and machines are BWE LTD, DRIAM SA and JOHN ROBERTSON CO INC.

Patent filings in countries

World map showing TREFILERIES ET LAMINOIRS DE PRs patent filings in countries
# Country Total Patents
#1 France 9
#2 United States 3
#3 United Kingdom 2
#4 Canada 1
#5 Germany 1

Patent filings per year

Chart showing TREFILERIES ET LAMINOIRS DE PRs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Perret Marcel 8
#2 Dupont Michel 3
#3 Marcel Perret 2
#4 Ternisien Jean A 2
#5 Perret Marcel A V 1
#6 Ternisien Jean-Albert 1
#7 Perret Marcel Auguste Victor 1
#8 Savariau Jean 1
#9 Michel Dupont 1
#10 Ternisien Jean Albert 1

Latest patents

Publication Filing date Title
US3137384A Hydraulic devices for removing tubes drawn on a long mandrel
GB831229A Improvements in or relating to welding devices for metallic pieces
US2918563A Welding devices for metallic pieces
DE1076607B Device for loosening pipes drawn or pushed by a rod from this rod
GB801049A Improvements in or relating to method and devices for removing tubes drawn on a longmandrel
US2983366A Hydraulic devices for removing tubes drawn on a long mandrel
CA741637A Etirage en filiere sur mandrin