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BOELLHOFF & CO

Overview
  • Total Patents
    46
About

BOELLHOFF & CO has a total of 46 patent applications. Its first patent ever was published in 1968. It filed its patents most often in Germany, EPO (European Patent Office) and Sweden. Its main competitors in its focus markets mechanical elements, machines and machine tools are PSM INT PLC, MATRICE MATERIAL SYSTEMS LTD and SWEENEY THEODORE CO.

Patent filings per year

Chart showing BOELLHOFF & COs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Kobusch Klaus 11
#2 Kobusch Klaus Ing Grad 9
#3 Hauck Peter 7
#4 Scheffer Harry 3
#5 Frauenheim Josef 3
#6 Borchard August 2
#7 Kobusch K 2
#8 Basler Wilfried 2
#9 Benesch Miroslav 2
#10 Dirkschnieder Klaus 2

Latest patents

Publication Filing date Title
DE4404659A1 Method for producing a riveted joint and tool for carrying out the method
EP0595041A2 Connection, in particular to a hole accessible only from one side
WO9404834A1 Use of a fastening element made of plastic
DE4232535A1 Fixing in bore accessible from one side only - uses resistance pressure welding to secure head to sleeve which has flange end and bevelled edge on other end
DE4227274A1 Sleeve-shaped fastener
DE4227273A1 Use a threaded bush or a plastic set screw
DE4227272A1 Plastics fixture bolt or nut - has nut and bolt of compatible plastics with similar melting points and reusable thread, plastics being made stronger by having glass or carbon fibres in it
DE4216220A1 Quick-fit fastener for handles and knobs in furniture fitments - has threaded pin fitting into socket having two concentric walls of which at least one is flexible.
DE4131651A1 Tool for fixing threaded bushes in thin sheet from one side - has forming finger which is passed through bush bore and then forced radially outwards and rotated to produce retaining flange
DE4003136A1 Mandrel for closing blind rivet - has specially shaped transition surface between head and shank
DE4000782A1 THREAD INSERT
DE4000209A1 Insert nut used with synthetic material - has flange fitted in hollow in location hole
DE3838118A1 FASTENING ELEMENT FOR ANCHORING ON A SURFACE WORKPIECE
DE3825675A1 BLIND RIVET DEVICE
DE3744450A1 Blind rivet
DE3742884A1 RIFLE
DE3740560A1 Tool for removing the installation pin of a wire thread insert
DE3640225A1 SCREW ELEMENT WITH A RETAINING AND SEALING RING MADE OF THERMOPLASTIC PLASTIC
DE3530083A1 SELF-TAPING THREAD SLEEVE FOR PLASTICS
DE3445514A1 Caged blind nut