Learn more

PRODUCTION MACHINE COMPANY

Overview
  • Total Patents
    16
About

PRODUCTION MACHINE COMPANY has a total of 16 patent applications. Its first patent ever was published in 1920. 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 CHENGDU LONGQUANYI DISTR QISHENG MACHINERY PLANT, GERBER COBURN OPTICAL INC and IMEAS SANDING MFG SUZHOU LTD.

Patent filings in countries

World map showing PRODUCTION MACHINE COMPANYs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 3

Patent filings per year

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

Focus industries

Top inventors

# Name Total Patents
#1 Fuller Rufus W 12
#2 Cole Raymond A 6
#3 Howe William S 2
#4 Blevney John C 1
#5 Macdonald Kenneth W 1

Latest patents

Publication Filing date Title
US2807917A Traverse control means for centerless grinders and polishers
US2754632A Pressure-operated control for centerless grinding machines
US2754640A Apparatus for rotating and axially feeding work
US2536757A Centerless grinding and polishing machine
US2277644A Grinding and polishing machine
US2165097A Grinding and polishing machine
US2102841A Wheel truing device
US1960193A Belt joint
US1900984A Centerless grinding or polishing machine
US1892453A Apparatus for centerless grinding or polishing
US1474774A Belt joint and method of making same
US1594445A Work holding and feeding device for grinding or polishing machines
US1421205A Work holding and feeding device for grinding or polishing machines
CA541962A Apparatus for rotating and axially feeding work
CA596184A Transverse control means for centerless grinders and polishers
CA537864A Pressure-operated control for centerless grinding machines