Learn more

DAVID BROWN AND SONS HUDDERSFI

Overview
  • Total Patents
    24
About

DAVID BROWN AND SONS HUDDERSFI has a total of 24 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United Kingdom, Canada and France. Its main competitors in its focus markets machine tools, mechanical elements and measurement are SVENSKA KUGGHJULSFABRIKEN AB, RENE LOUIS JULES DELAMARE and BROWN DAVID & SONS LTD.

Patent filings in countries

World map showing DAVID BROWN AND SONS HUDDERSFIs patent filings in countries
# Country Total Patents
#1 United Kingdom 15
#2 Canada 4
#3 France 3
#4 Switzerland 1
#5 Germany 1

Patent filings per year

Chart showing DAVID BROWN AND SONS HUDDERSFIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sykes Arthur 4
#2 Reid John Molesworth 2
#3 Maugham Albert 2
#4 Taylor Alec 2
#5 Brook Ernest 1
#6 Rhodes Albert 1
#7 Green Allan 1
#8 Henry Edward Merritt 1
#9 Welsby Silas 1
#10 Merritt Henry Edward 1

Latest patents

Publication Filing date Title
GB796298A An improved method of and means for producing cylindrical gears
GB791662A An improvement in or relating to selecting mechanism for variable-speed gearboxes
GB797364A New or improved selector mechanism for variable-speed gearing
GB791008A Improved actuating means for the selecting mechanism of variable-speed gearboxes
GB798643A An improvement in or relating to milling cutters
GB777073A Improved variable-speed power transmission for motor vehicles
GB784573A An improvement in or relating to epicyclic gearing
GB772749A An improvement in or relating to steplessly variable speed gears
GB770680A Improvements in or relating to transmission mechanism for motor vehicles
GB435028A Improvements in transmission mechanism for motor vehicles
DE497849C Process for cutting gears from the full workpiece according to the Waelz process, in which the cutting depth of the tool is set again after each full revolution of the workpiece
GB205551A Improvements in the method of and means for cutting or generating helical teeth of toothed gearing wheels
GB191110280A New or Improved Positive Reversing Motion for Machines for Milling Double or Multiple Helical Wheels and for other Machines in which Extreme Accuracy is Required.
GB190918051A New or Improved Attachment or Machine for Grinding after Hardening, Relieved Formed Milling Cutters, Gear Cutters, Hobs, Worms and the like to Eliminate Distortion due to Hardening.
GB190714699A Improvements in the Method of and Means for Generating Internal Toothed Wheels and Hobbing Cutters for same.
GB190711545A Improvements relating to Worm Gearing.
CA271378A Expanding reamer
CA312553A Gear-hobbing machine
CA532349A Machines for hobbing the teeth of gear wheels
CA533675A Hobs for cutting the teeth of gear wheels