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PORSFELD FRIEDHELM

Overview
  • Total Patents
    19
About

PORSFELD FRIEDHELM has a total of 19 patent applications. Its first patent ever was published in 1981. It filed its patents most often in Germany, EPO (European Patent Office) and United States. Its main competitors in its focus markets machines, civil engineering and machine tools are QUANZHOU HAIENDE ELECTROMECHANICAL TECH DEVELOPMENT CO LTD, MONTOLIT BREVETTI and CONSEC KK.

Patent filings in countries

World map showing PORSFELD FRIEDHELMs patent filings in countries
# Country Total Patents
#1 Germany 12
#2 EPO (European Patent Office) 5
#3 United States 2

Patent filings per year

Chart showing PORSFELD FRIEDHELMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Porsfeld Friedhelm 19

Latest patents

Publication Filing date Title
US4890680A Machine for working rock, especially a block drilling machine
DE3634144A1 Implement for working rock, in particular block-drilling implement
DE3634149A1 Pneumatic implement for working rock
DE3338368A1 PRINTING JAWS OR SHELLS FOR A HYDRAULICALLY ACTUABLE DEVICE FOR MECHANICAL DISASSEMBLY OF STONE
DE3249554A1 Paving-stone and brick splitter
DE3232857A1 PAVING AND MAUERSTEIN SPLITTING DEVICE
DE3249246A1 Hydraulically actuable appliance for the mechanical disintegration of rock (centring of the thrust jaws)
DE3228433A1 HYDRAULICALLY OPERATED DEVICE FOR MECHANICAL DISASSEMBLY OF STONE
DE3249247A1 Hydraulically actuable appliance for the mechanical disintegration of rock
DE3223137A1 Splitting apparatus for paving stones and bricks
EP0065276A2 Splitting device for plaster and wall-stones
DE3119693A1 Splitting apparatus for paving stones and bricks
DE3119694A1 Brick-splitting tool
DE3152684A1 Stone-splitting tool