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OCONNOR THOMAS JOHN

Overview
  • Total Patents
    37
About

OCONNOR THOMAS JOHN has a total of 37 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United States, Spain and Switzerland. Its main competitors in its focus markets machine tools, machines and mechanical elements are BEIJING INST OF ELECTRO MACHINING, OYO JIKI KENKYUSHO KK and CONNOR T O.

Patent filings in countries

World map showing OCONNOR THOMAS JOHNs patent filings in countries
# Country Total Patents
#1 United States 26
#2 Spain 4
#3 Switzerland 2
#4 Germany 2
#5 Canada 1
#6 United Kingdom 1
#7 Italy 1

Patent filings per year

Chart showing OCONNOR THOMAS JOHNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 O'Connor Thomas J 26
#2 O'Connor Thomas John 3
#3 Murphy James A 1

Latest patents

Publication Filing date Title
US3988862A Structure for total form abrasion machining
US3988863A Structure for and method of total form abrasion machining
US3988864A Structure for and method of total form abrasion machining
US3990868A Method of making cutting master for erosion machining
US4013862A Transversely and angularly adjustable tool holder edm electrodes
CA1034383A Structure for and method of total form abrasion machining
US3962830A Machining structure
US3948620A Method of making cutting master for erosion machining
US3668361A Structure for and method of electro erosion machining
US3612810A Movable dielectric tank for electroerosive machines
US3590210A Electroerosive machining structure
US3585341A Structure for and method of electrical machining
US3590204A Structure for electroerosive machining with rotating tubular electrodes
US3506800A Quick-change tool for electroerosive machining
US3435178A Quick-change tool for electrical machining of deep holes
US3485991A Quick-change tool for electrical erosion machining
US3430026A Quick-change tool for electrical machining including structure for simultaneously eccentrically rotating and revolving an electrode
US3461267A Quick-change tool for electrical-erosion machining of an arcuate opening
US3443054A Quick-change tool for electrical erosion machining
US3538290A Apparatus for electro-erosion machining