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JANSEN HERFELD ROETTGER FA

Overview
  • Total Patents
    67
About

JANSEN HERFELD ROETTGER FA has a total of 67 patent applications. Its first patent ever was published in 1979. It filed its patents most often in Germany, EPO (European Patent Office) and Austria. Its main competitors in its focus markets machine tools, machines and textiles and paper are JANSEN HERFELD ROETTGER, CHANG CHIN CHIN and VILJANEN REIJO.

Patent filings in countries

World map showing JANSEN HERFELD ROETTGER FAs patent filings in countries

Patent filings per year

Chart showing JANSEN HERFELD ROETTGER FAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jansen-Herfeld Roettger Dipl I 38
#2 Jansen-Herfeld Roettger 7
#3 Jansen-Herfeld Roettger Dipl-I 5
#4 Roettger Jansen-Herfeld 3
#5 Roettger Jansen-Herfeld Dipl I 2
#6 Fa Roettger Jansen-Herfeld Rem 2
#7 Roettger Jansen-Herfeld Dipl-I 1
#8 Jansen-Herfeld Rottger 1
#9 Jansen Herfeld Roettger Dipl I 1
#10 Fischer Wilhelm Dipl Ing 1

Latest patents

Publication Filing date Title
DE10200310A1 Circular saw blade has an inner pressure stress zone, which decreases radially outwards to flow into the outer draw stress zone, to compensate for centrifugal stress with an optimum saw blade stiffness
DE19831041A1 Cutting machine tool especially turning lathe using several cutting discs
EP0773083A2 Circular saw blade with teeth for removing chips from the saw kerf
EP0826454A1 Circular saw blade with thickness varying according to centrifugal force
DE4337911A1 Displaceable buckles with hydraulic saw tensioner and lateral comb plates
DE4332823A1 Prestretched saw blade
DE4323047A1 Ink knife with slots and grooves
DE4208420A1 Clamp for frame saw - has swivelling eccentric lever under frame traverse connected to fork by shaft which presses sideways against saw aggregate
EP0457927A1 Frame saw tensioning device for stone working having a protective cover for the sealing bellows of the tensioning piston
DE3910658A1 DEVICE FOR WELDING WEAR-RESISTANT (STELLITE) MATERIAL ON SAW TOOTH
DE3908899A1 Frame-saw tightener for the stone industry, with a protective cap for protecting the sealing bellows at the tightening piston
DE3828030A1 Frame-saw blade holder for tightening frame-saw blades for sawing blocks of stone
DE3826916A1 Circular saw blade
DE3828228A1 Hydraulic saw tightener with minimum residual pressure
DE3823770A1 Frame-saw blade holder with split holder shank
DE3819826A1 Stellite teeth
DE3741911A1 Buckle for mill saw blades for cutting with steel shot
DE3730721A1 Buckle for the cutting of extremely thin plates/boards and fine adjustability of the position of the saw in the buckle
DE3730722A1 Holder for clamping frame saw blades for cutting thin stone slabs
DE3730720A1 Hydraulic saw tensioner for cutting very thin plates