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GERFEMA GES FUER RATIONALISIER

Overview
  • Total Patents
    12
About

GERFEMA GES FUER RATIONALISIER has a total of 12 patent applications. Its first patent ever was published in 1987. It filed its patents most often in German Democratic Republic and Germany. Its main competitors in its focus markets measurement, control and machine tools are KOYAMA KK, WESTERN GEAR MACH and CHONGQING DACHENG GRACE NC TECH CO LTD.

Patent filings in countries

World map showing GERFEMA GES FUER RATIONALISIERs patent filings in countries
# Country Total Patents
#1 German Democratic Republic 6
#2 Germany 6

Patent filings per year

Chart showing GERFEMA GES FUER RATIONALISIERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schleicher Siegfried Dr Ing 4
#2 Keller Jochen 3
#3 Ebermann Joachim 3
#4 Fonfara Hans Dipl Phys 2
#5 Tschuck Joachim Dipl Ing 2
#6 Uhlemann Bernd 2
#7 Ebermann Joachim Dipl-Ing 2
#8 Spring Klaus Dipl Ing 2
#9 Morgenstern Karlheinz Dipl Ing 1
#10 Loeschner Ulrich Dr-Ing 1

Latest patents

Publication Filing date Title
DE4141275A1 Automatic horizontal assembly equipment for heavy piston in cylinder - has piston resting in cradle which is finally aligned by engagement with centring pins projecting from cylinder end face
DE4042275A1 Controller for multiple drive-shafts - uses proportional-integral action with shared gain between reference circuit and additional drive-shaft circuits
DE4042274A1 Circuit generating defined control deviation - has path rated value coupled to prod. former as rated speed via differential member
DE4035761A1 Centreless grinding of end faces of rollers - involves first disc mounted eccentrically to second disc which carries rollers
DE4030985A1 Converting sinusoidal position measurement signals - generating staircase signal with sensor signal dependent amplitude with frequency dependent on carrier frequency
DE4030946A1 Converting sinusoidal sensor signals of position measurement system - using offset scale division sensing with synchronised switches in alternate groups
DD293978B5 Grease-lubricated rolling bearing system for rotatable, rotationally symmetrical components, in particular high-speed work spindles of machine tools
DD278655A1 Circuit arrangement for a loaded storage circuit, in particular with underlocked speed and current control
DD278657A1 Circuit arrangement for determining the intermediate income for a locked linear interpolator
DD271481A1 Device for transporting and positioning workpieces
DD268541A1 Circuit arrangement for glaeting leading fairful changes in speed tool values
DD266312A1 Magazine for preferably accessories for machine tools