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ELFGEN GERD

Overview
  • Total Patents
    43
About

ELFGEN GERD has a total of 43 patent applications. Its first patent ever was published in 1967. It filed its patents most often in Germany, EPO (European Patent Office) and United States. Its main competitors in its focus markets civil engineering, machines and packaging and shipping are SOLLAMI CO, LEHNERT THOMAS and SOLLAMI PHILLIP.

Patent filings per year

Chart showing ELFGEN GERDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Elfgen Gerd 41
#2 Langer Richard 1
#3 Gerd Elfgen 1

Latest patents

Publication Filing date Title
DE102011051584A1 Apparatus for machining and/or supporting e.g. metal material used in e.g. mining industry, has bearing element that is inserted inside receptacle portion and is coaxially screw-connected to fixing element
DE102011000314A1 Method for dismantling round shank chisel of milling device from receiving bore of chisel holder, involves moving chisel with clamping sleeve towards longitudinal axis relative to support plate, to displace sleeve in plate opening
DE102010060453A1 Tool for machining of materials, particularly for surface processing, has supporting body movable rotatably by drive around rotational axis and multiple drill bits arranged at supporting body
DE102010017587A1 Clamping sleeve for chisel clamping sleeve arrangement, for fixing cylindrical drill collar of round shank cutter bit in receptacle hole of tool holder, has long slot and is radially compressible
DE102009047294A1 Method for operating milling device, particularly road mill for removal of material, particularly for finishing of pavements or for removal of stones, involves rotating chisel-carrier provided with multiple chisels around its rotation axis
DE102009027732A1 Chisel of a milling device
DE102008010609A1 Chisel holder for use with chisel holder arrangement, has borehole for retaining of cylindrical shaft of chisel that is rotated around longitudinal axis, where channel is provided to form connection
DE102007007156A1 Carbide tip for a round shank chisel
DE102005055544A1 Cutting tool holder, especially at a milling roller, is secured by a screw bolt wholly shrouded by the holder assembly
DE102005054801A1 Bit holder, has ring collar with hard metal units that are separated from each other and are arranged on circumference of borehole, where contact surfaces of bit head are brought into contact with each other using units
DE102005010678A1 Device for fastening a round shank chisel
DE102005008209A1 jig
DE102004058095A1 Nonwoven body and method for its production
DE102004053665A1 Round shank chisel for rotatable milling roller, has operating section with resetting section that is directly adjacent to holding section, where maximum diameter of resetting section corresponds to diameter of holding section
DE102004046719A1 Chisel of a milling device
DE102004011972A1 Chisel of a milling device
DE102004002382B3 Rotating tool for a hand-operated tool drive device comprises working contact elements rotatably mounted in holding elements about an axis of rotation having a direction with a component perpendicular to the axis of rotation of a base body
DE10325253A1 Holding element for a chisel of a milling device
DE3624302A1 Travelling safety system for work vehicles on roads
DE3510072A1 Round-shank pick