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JANSEN HERFELD ROETTGER

Overview
  • Total Patents
    69
About

JANSEN HERFELD ROETTGER has a total of 69 patent applications. Its first patent ever was published in 1973. It filed its patents most often in Germany, EPO (European Patent Office) and Canada. Its main competitors in its focus markets machine tools and machines are JANSEN HERFELD ROETTGER FA, CHANG CHIN CHIN and NICHOLSON FILE COMPANY.

Patent filings in countries

World map showing JANSEN HERFELD ROETTGERs patent filings in countries

Patent filings per year

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

Focus industries

Top inventors

# Name Total Patents
#1 Jansen-Herfeld Roettger Dipl I 38
#2 Jansen-Herfeld Roettger 22
#3 Jansen-Herfeld Rottger 2
#4 Jansen-Herfeld Rottger Dipl-In 2
#5 Mummenhoff Heinrich 1
#6 Janson-Herfeld Roettger 1
#7 Retogaa Yanzennheafueruto 1

Latest patents

Publication Filing date Title
DE10026772A1 Blade for circular saw has tooth division in front of high teeth smaller than that in front of low teeth
DE10019949A1 Gate saw has plug-in dovetailed strips with flexible tongues on one side at least, with slots
DE19951851A1 Milling tool uses high and lower teeth at small and large intervals round tip circles carried by disks holed in patterns with circular saw axially overlapping tool teeth at one endface.
DE19947637A1 Circular saw blade with at least one concentric section, of which thickness is produced by turning, milling and/or grinding on at least one side
DE19947636A1 Pair of hobbing mills joined by connecting arm adjustable on shaft axis
DE19936751A1 Device for sharpening saws having several tooth groups has automatic shift of rotational point periodically relative to saw centre during sharpening process
DE19936749A1 Circular saw blade has concentric surface grooves
DE19924711A1 Circular saw blade with spiral arrangement of tooth tips, having at least four groups of teeth offset by specified height difference
DE19900864A1 Circular saw blade has additional concentric toothed rings adjoining flush with saw blade and having on outer faces a radial free angle
DE19856893A1 Gate saw buckle without rivet joint, with buckle box passing into bending part in X direction
DE19828999A1 Circular saw blade with fatter collar
DE19801121A1 Circular saw blade with different saw blade thicknesses and protruding side cutting edges
DE19754367A1 Hydraulic system for width-alterable rift saw
DE19754090A1 Rift saw blade holder with changeable handle width
DE19754088A1 Rift saw blade holder
DE19754089A1 Rift saw blade holder
DE19750538A1 Circular saw blade with differing thicknesses
DE19750525A1 Reaming or raking saw with cutter teeth
DE19746486A1 Circular saw blade for profile cutting in wood
DE19746488A1 Measuring device for saw blade flattening machine