Learn more

VALLOUREC

Overview
  • Total Patents
    600
About

VALLOUREC has a total of 600 patent applications. Its first patent ever was published in 1932. It filed its patents most often in France, United States and EPO (European Patent Office). Its main competitors in its focus markets machine tools, mechanical elements and civil engineering are GANDY TECHNOLOGIES CORP, VALLUREK MANNESMANN OJL EHND G and NAT COUPLING CO INC.

Patent filings per year

Chart showing VALLOURECs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Plaquin Bernard 77
#2 Bounie Paul 35
#3 Peytavin Pierre 26
#4 Douchy Michel 25
#5 Fradin Louis 24
#6 Gueussier Andre 23
#7 Vachiery Edmond 20
#8 Mantelle Jean 17
#9 Salkin Herve 12
#10 Ernst Roland 10

Latest patents

Publication Filing date Title
LT2620B Joining the steel pipes
JPH0285315A Treatment of molten steel by gas injection from bottom of ladle
CN1015402B Threaded connection joint of a steel tube with sealing unit at the threaded portion
ES2002380A6 Threaded joint for steel pipes comprising sealing means situated in the threads.
EP0201379A1 Process and tilting control system for vessels containing liquid metal
FR2594850A1 TUBULAR ENCLOSED COMPOSITE PRODUCT COMPRISING COMPACT MATERIAL FOR THE TREATMENT OF LIQUID METALS AND PROCESS FOR PRODUCING THE SAME
BR8600531A Metal or alloy processing process
EP0190089A1 Process for treating liquid metals by a calcium-containing cored wire
IT8523140D0 Semi-rigid U=shaped motor vehicle axle
ZA8507799B Threaded joint for steel tubing including a seal at the threading
US4700576A Process and device for executing the screwing of a threaded joint for tubes, equipped with a stop
EG17019A Procede pour usiner un element de joint pour tubes d'acier destines en particulier a l'industrie du petrole
CA1238772A Machining of joints on tubing, essentially for use by the petrolum industry, having at least one threaded portion on a frusto-conical surface with an abutment limiting screwed assembly, and device for their production
US4665734A Method and installation for selective detection of defects in a workpiece
EP0161192A1 Adjusting method for a cross-rolling mill, and mill using this method
BR8501255A New joint for steel pipes, its manufacturing process and tool for process application
EP0153224A1 Procedure and device for determining the fastening torque of a tubular joint provided with a conical screwthread and a fastening limit stop, usable in the petrol industry
JPS60158905A Method and device for improving performance of cold pilger rolling mill
GB8427492D0 One-piece metal vessels
US4555265A Method of treating steel with calcium, to obtain a steel well adapted to cold forming, with a low silicon content