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IPSEN IND INT GMBH

Overview
  • Total Patents
    210
About

IPSEN IND INT GMBH has a total of 210 patent applications. Its first patent ever was published in 1970. It filed its patents most often in Germany, France and United States. Its main competitors in its focus markets thermal processes, materials and metallurgy and surface technology and coating are KATSUMATA KAZUHIKO, STEIN HEURTEY and SCHWARTZ EVA.

Patent filings per year

Chart showing IPSEN IND INT GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Goehring Werner 18
#2 Limque Ferdinand 14
#3 Edenhofer Bernd Dr 12
#4 Pfau Hans 12
#5 Fleiter Albert 10
#6 Edenhofer Bernd 9
#7 Limque F 9
#8 Bertrand H 8
#9 Wittekind J 6
#10 Peter Wolfgang 6

Latest patents

Publication Filing date Title
DE19938009C1 Device for heat treating metallic workpieces comprises a heat-resistant lined furnace chamber that is divided into a region of reduced cross-section leading into first treatment zone
DE19729984A1 Process for embroidering the edge layer of metallic workpieces
DE19702966A1 Penetration of charge for metal workpiece(s) e.g. in washing installation(s)
DE19628383A1 Furnace for heat treatment of batches of metal workpieces - with a heating chamber which can be isolated from the pressure and suction chambers of the cooling gas fan
EP0812929A1 Process of nitriding and/or carbonitriding metallic workpieces
EP0735149A1 Device for the vacuum heat treatment of metallic articles
DE19547131A1 Process for plasma carburizing metallic workpieces
DE19521548A1 Method and device for controlling the electrical current density over a workpiece during heat treatment in plasma
DE19514932A1 Method and device for regulating the CO content of an oven atmosphere for carburizing and carbonitriding metallic workpieces
DE4446589A1 Cleaning metal workpieces
DE4446588A1 Cleaning method for metallic workpieces
DE4446587A1 Cleaning method for metallic workpieces
DE4446590A1 Cleaning metallic workpieces under application of heat in tank
DE4339404A1 Process for producing uniform oxidation layers on metallic workpieces and device for carrying out the process
EP0609492A1 Holder plate for the partial heat treatment of articles
EP0621344A1 Flexible adaptive quenching
US5352344A Method and apparatus for measuring the oxygen potential of a heat-treatment furnance
DE4135313A1 METHOD FOR COOLING A WORKING PIECE BATCH WITHIN A HEAT TREATMENT PROCESS
DE4132712A1 Vacuum furnace for plasma carburizing metallic workpieces
US5251231A Vacuum furnace