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DROOP & REIN

Overview
  • Total Patents
    22
About

DROOP & REIN has a total of 22 patent applications. Its first patent ever was published in 1930. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets machine tools, machines and control are ANGER MACHINING GMBH, STAMA MASCHINENFABRIK GMBH and RECOULES S A.

Patent filings in countries

World map showing DROOP & REINs patent filings in countries
# Country Total Patents
#1 Germany 10
#2 France 5
#3 United Kingdom 2
#4 Italy 2
#5 United States 2
#6 Switzerland 1

Patent filings per year

Chart showing DROOP & REINs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lasermann Franz 4
#2 Schmoldt Helmut 3
#3 Wittenbreder Eduard 2
#4 Steidl Franz 1
#5 Franz Lasermann 1
#6 Schroiff Werner 1
#7 Justus Wessel 1
#8 Rein Ernst 1
#9 Vinke Robert 1
#10 Lascrmann Franz 1

Latest patents

Publication Filing date Title
DE2754636A1 Endless tool magazine for machine tool - has tapered shanks of cutting tools cleaned by blast of air through perforations in conical wall
DE2739533A1 METHOD AND DEVICE FOR TOOL LENGTH ADJUSTMENT
DE2739534A1 TOOL CHANGING DEVICE
DE2410335A1 Electroerosive machining tool with electrode - has advancing drives acting on tool or workpiece to move them in any of three dimensions
GB1083736A Electrical tracer for milling machines
DE521079C Device for drawing in lubrication grooves in bearing bushes or on shafts