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GRAF ERNST

Overview
  • Total Patents
    16
About

GRAF ERNST has a total of 16 patent applications. Its first patent ever was published in 1942. It filed its patents most often in EPO (European Patent Office), Germany and Switzerland. Its main competitors in its focus markets machine tools, electrical machinery and energy and measurement are COUPCO LTD, CHONGQING SHENLAN MACHINERY MFG CO LTD and YESTOOL CORP.

Patent filings in countries

World map showing GRAF ERNSTs patent filings in countries
# Country Total Patents
#1 EPO (European Patent Office) 7
#2 Germany 5
#3 Switzerland 4

Patent filings per year

Chart showing GRAF ERNSTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Graf Ernst 12
#2 Ernst Graf 4

Latest patents

Publication Filing date Title
EP2042371A1 Outfeed hopper for the silo of a silo vehicle
EP1629915A1 Tool holder for turning polygonal surfaces and thread whirling
EP1629913A1 Turning tool holder
DE10331077B3 Turning tool holder
EP1366841A1 Cutting tool holder, especially for cutting-off tools
DE10224126A1 Multiple tool holder for a lathe, especially for a Swiss type automatic lathe
EP0235673A1 Cytological specimen spatula
DE3503184A1 Pivotable tool holder for grinding machines for grinding radii
DE3419154A1 Multiple cutting-tool holder for lathes
DE2516631A1 Horizontal lathe broaching attachment - driven by screw, coaxial with running spindle