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CLEVELAND MACHINE SCREW COMPANY

Overview
  • Total Patents
    21
About

CLEVELAND MACHINE SCREW COMPANY has a total of 21 patent applications. Its first patent ever was published in 1896. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machine tools, machines and mechanical elements are MOREY MACHINERY CO INC, TYBERG OLUF and CLEVELAND AUTOMATIC MACHINE CO.

Patent filings in countries

World map showing CLEVELAND MACHINE SCREW COMPANYs patent filings in countries
# Country Total Patents
#1 United States 20
#2 Canada 1

Patent filings per year

Chart showing CLEVELAND MACHINE SCREW COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Brophy John P 13
#2 Sperry Elmer A 6
#3 Clyne James B 1
#4 Clyne James Bruce 1

Latest patents

Publication Filing date Title
US718422A Method of manufacturing engine-cranks.
US756467A Turret mechanism for automatic lathes.
US735701A Speed-changing mechanism for automatic lathes.
US681189A Speed-changing device for automatic lathes.
US681188A Attachment for automatic lathes.
US703986A Machine for cutting worm-threads.
US649902A Automatic lathe attachment.
US649907A Automatic lathe attachment.
US649906A Automatic lathe attachment.
US649905A Automatic lathe attachment.
US649904A Automatic lathe attachment.
US663013A Automatic lathe attachment.
US649908A Automatic lathe attachment.
US649903A Automatic lathe attachment.
US635816A System and apparatus for controlling vehicles.
US635815A System and apparatus for controlling electric vehicles.
US645902A Motor-gearing.
US646922A Storage battery.
US646081A Gearing for motor-vehicles.
US640968A Electric vehicle.