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TOLHURST MACHINE WORKS INC

Overview
  • Total Patents
    18
About

TOLHURST MACHINE WORKS INC has a total of 18 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States. Its main competitors in its focus markets machines, consumer goods and electrical machinery and energy are TOLHURST MACHINE WORKS, AMERICAN TOOL & MACHINE CO and WATSON LAIDLAW & COMPANY LTD.

Patent filings in countries

World map showing TOLHURST MACHINE WORKS INCs patent filings in countries
# Country Total Patents
#1 United States 18

Patent filings per year

Chart showing TOLHURST MACHINE WORKS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bryson Tandy A 15
#2 Mckeon John J 3
#3 James Moffat 1

Latest patents

Publication Filing date Title
US1933310A Aperiodic mounting for centrifugal extractors
US1960950A Centrifugal machine
US1866291A Driving mechanism
US1786475A Centrifugal drying machine
US1841086A Safety guard for centrifugal extractors
US1802751A Electric power-distributing system
US1743788A Apparatus for treating flotant material
US1771525A Driving mechanism
US1772336A Process of separating liquids and solids
US1797603A Safety guard for centrifugal extractors
US1739162A Method for treating flotant materials
US1703094A Centrifugal separator
US1797602A Safety guard for centrifugal extractors
US1743754A Electric power control mechanism for driven machines
US1776063A Automatic machine control
US1742196A Machine for treating fabrics
US1710447A Centrifugal extractor and method of centrifugal extraction
US1743753A Centrifugal machine