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HOFMANN GMBH ELEKTR FRITZ

Overview
  • Total Patents
    20
About

HOFMANN GMBH ELEKTR FRITZ has a total of 20 patent applications. Its first patent ever was published in 1963. It filed its patents most often in Germany and EPO (European Patent Office). Its main competitors in its focus markets medical technology, electrical machinery and energy and optics are CGR MEDICAL CORP, RADIANTE OY and ES DE ELECTROMEDICINA Y CALIDAD S A SOC.

Patent filings in countries

World map showing HOFMANN GMBH ELEKTR FRITZs patent filings in countries
# Country Total Patents
#1 Germany 19
#2 EPO (European Patent Office) 1

Patent filings per year

Chart showing HOFMANN GMBH ELEKTR FRITZs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Klaumuenzer Hartwig Ing Grad 8
#2 Schwarzer Kurt 4
#3 Gans-Grehl Guenter 2
#4 Hess Hartmut Dr Ing 2
#5 Raith Siegfried Dr-Ing 1
#6 Raith Siegfried Dr Ing 1
#7 Keiper Hans-Dieter 1
#8 Hess Hartmut Dr-Ing 1
#9 Erbsloeh Fritz Dieter Dipl Phy 1
#10 Kisskalt Guenter 1

Latest patents

Publication Filing date Title
DE4209202A1 Plant for generating high DC voltage
EP0201891A2 X-ray generator with an operation control panel
DE3517686A1 X-ray generator having operator control
DE2935362A1 Alignment of x=ray multiple image exposure - using microprocessor which displays possible sub-divisions and incompatibilities
DE2852227A1 Diagnostic X=ray generator with automatic tube current adjustment - switches resistors in primary voltage supply to compensate changed tube voltage in dependence on tube current
DE2803312A1 X=Ray examination appts. - has motor driven sliding couch via self-locking intermediate unit uncoupled electrically
DE2600441A1 Diagnostic X:ray appts. with variable tube heating voltage - has voltage set by shunting out resistors in series chain using relay contacts
DE2558389A1 Diagnostic X:ray appts. heating voltage control - uses transformer with slider driven by motor connected in tracking loop
DE2557092A1 Combined X:ray and neutron beam diagnostic installation - has simultaneous production of X:ray and neutron beams source to provide double characteristic exposures
DE2540285A1 Digital display used in diagnostic X:ray apparatus - has log. amplifier between D:A converter and window discriminator
DE2533551A1 Milliampere second relay for diagnostic X:ray appts. - includes log. amplifier to convert linear scale of comparators reference potentiometer
DE2533304A1 X:ray appts. using normal and new rare earth film - automatically controls gain of compensating amplifier form film type used
DE2517139A1 X-ray equipment with adjustable dosage relay - incorporates full protective circuits with min additional components
DE2510984A1 Diagnostic X-ray equipment - provides warning of thermal overloading by taking energy to previous exposure into account
DE2346611A1 High contrast X-ray film copier - uses plates with a charged non-conductive selenium layer and dry toner development
DE2318087A1 X-ray examination device for the production of layer images
DE1764432A1 X-ray device for the production of specific series and overview recordings
DE1513873A1 Three-phase high voltage generator, preferably for X-ray apparatus
DE1466822A1 X-ray examination device
DE1413498A1 Variable transformer with a pantograph that can be adjusted along a contact track