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LEIFELD GMBH & CO

Overview
  • Total Patents
    55
About

LEIFELD GMBH & CO has a total of 55 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Germany, EPO (European Patent Office) and United States. Its main competitors in its focus markets machine tools, machines and mechanical elements are WF MASCHINENBAU BLECHFORMTECH, ARROWHEAD ENG CORP and KANEMITSU KK.

Patent filings in countries

World map showing LEIFELD GMBH & COs patent filings in countries

Patent filings per year

Chart showing LEIFELD GMBH & COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Koestermeier Karl-Heinz 18
#2 Wenzel Helmut 11
#3 Rolf Bernhard 7
#4 Reichhardt Hans H 3
#5 Pollkoetter Guenter 3
#6 Deggau Wolf-Dieter 3
#7 Temmann Robert 3
#8 Kirschdorf Dieter 3
#9 Berunharuto Rorufu 2
#10 Bichel Joachim 2

Latest patents

Publication Filing date Title
DE19620178A1 Method of making a poly-V disc
DE19617826A1 Method and press device for producing a machine element with external teeth
DE19615675A1 Method of manufacturing a vehicle wheel
DE19614993A1 Process for producing a rotationally symmetrical part
DE19605645A1 Process for producing a machine element with external teeth
DE19603773A1 Manufacturing method for coupling transmission parts with hubs
DE19602298A1 Process for producing a rotationally symmetrical part
DE19601020C1 Tool unit for printing press
DE19545890A1 Process for the production of a workpiece with a hub and a pressure or pressure rolling machine
DE19545176A1 Method and device for forming a rotationally symmetrical workpiece
DE19532519A1 Process for producing a rotationally symmetrical metallic workpiece
DE19527995A1 Device for producing at least one groove running in the circumferential direction on the inner circumference of an axially internally toothed rotationally symmetrical workpiece
DE19518236A1 Process for obtaining a safety line for the operation of a press machine
DE19513634A1 Process for producing a rotationally symmetrical workpiece from steel
DE19513633A1 Press roll to perform splitting operations
DE19511963A1 Process for the production of rotationally symmetrical metallic workpieces
DE4437212A1 Press rolling machine
DE4431500A1 Method for producing a rotationally symmetrical workpiece made of metal by pressing and device for carrying out the method
DE4430733C1 Method of manufacturing rotationally symmetrical workpiece from tubular blank
DE4429801A1 Method for splitting a round blank made of metal and device for carrying out the method