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FRITZ GRAH DIPL ING

Overview
  • Total Patents
    20
About

FRITZ GRAH DIPL ING has a total of 20 patent applications. Its first patent ever was published in 1927. It filed its patents most often in Germany. Its main competitors in its focus markets machine tools, materials and metallurgy and surface technology and coating are EWALD ROEBER, OZAWA AKIRA and DANIELI UNITED A DIVISION OF D.

Patent filings in countries

World map showing FRITZ GRAH DIPL INGs patent filings in countries
# Country Total Patents
#1 Germany 20

Patent filings per year

Chart showing FRITZ GRAH DIPL INGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Grah Dipl-Ing Fritz 9
#2 Junghans Siegfried 1

Latest patents

Publication Filing date Title
DE1019632B Pulling slide for a pipe and rod pulling bench
DE1004999B Tape fetching device for tape pulling systems
DE1009584B Descaling roller arrangement for belts
DE920123C Device for making cuts, punchings and impressions in continuously running strips and profiles
DE914725C Cooling and lubricating chambers for rollers
DE828232C Rolling mill and reel arrangement for rolling and stretching metal strips and wires
DE966085C Process and device for converting continuously flowing pig iron into steel by refining
DE905005C Continuous rolling mill
DE942262C Plant for the continuous casting of metal bars with downstream rolling devices
DE742989C Method for the production of rolling stock from a cast strand continuously emerging from a continuous casting mold
DE668721C Machine for attaching sheet metal, metal bands or the like.
DE582237C Return device for tong wagons from drawbars
DE493192C On and off switchable auxiliary drive for signal boxes to adjust the pressure screws of rolling mills
DE516208C Cleaning thin sheets
DE485830C Reel for iron strip mills
DE459197C Support device for height-adjustable rolls of rolling mills
DE540407C Mandrel push-in device for pipe drawers
DE561800C Roll bearings for rolling mills
DE552445C Device for drawbars to remove the finished product
DE513523C Comb rolling frame for trio rolling mills with friction drive of the central roller