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MACDONALD ALFRED

Overview
  • Total Patents
    17
About

MACDONALD ALFRED has a total of 17 patent applications. Its first patent ever was published in 1893. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets machine tools, machines and thermal processes are DATA F S R L, JOSEPH VERDERBER and TSUNODA JITENSHA KK.

Patent filings in countries

World map showing MACDONALD ALFREDs patent filings in countries
# Country Total Patents
#1 United Kingdom 12
#2 United States 3
#3 Canada 2

Patent filings per year

Chart showing MACDONALD ALFREDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Macdonald Alfred 17
#2 Adamson Adam 1

Latest patents

Publication Filing date Title
GB191011118A Improvements in Firegrates.
GB190818298A Improvements in or relating to Rubber Cored Golf Balls
GB190916153A Improvements in or relating to Rubber Cored Golf Balls.
CA117240A Shaft finishing machine
CA123096A Machine for making shafts, etc.
US916174A Emery-wheel drive in machines for grinding, turning, and finishing shafts, piston-rods, pins, tools, &c.
GB190627969A Improvements in and relating to Apparatus for Drawing Centre Lines to Marks Off Keyways on Shafting, Wheels, and the like.
GB190618852A Improvements in and relating to Variable Speed Gear for Machinery.
US979976A Machine for grinding, turning, and finishing shafting, &c.
US979975A Machine for grinding, turning, and finishing shafts, piston-rods, pins, tools, and other machined work.
GB190526959A Improvements in and relating to Machines for Cutting Gear Teeth in Wheels, Keyways in Pulleys, and the like.
GB190526203A Improvements in and relating to Machines for Turning, and Grinding or Finishing Shafting and the like.
GB190521397A Improvements in and relating to Machines for Grinding, Turning, and Finishing Shafts, Rods, Pins, Tools, and other Machined Work.
GB190224037A Improvements in and relating to Portable Frames for Carrying Letters, Signs, and the like.
GB189522098A Improvements in Valves for Inflating the Pneumatic Tyre Tubes of Cycles and the like.
GB189504193A Improvements in Devices for Tightening Up and Securing the Fixing Wires of Wheel Tires.
GB189319383A Improvements in and relating to Pneumatic Tyres or Wheels for Cycles, Carriages, or other Road Vehicles.