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PARSONS JOHN T

Overview
  • Total Patents
    20
About

PARSONS JOHN T has a total of 20 patent applications. Its first patent ever was published in 1943. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets machines, materials and metallurgy and machine tools are NIKKA ENG KK, VOUGHT AIRCRAFT IND INC and EVANS ROTORK INC.

Patent filings in countries

World map showing PARSONS JOHN Ts patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 3
#3 Australia 1
#4 Germany 1

Patent filings per year

Chart showing PARSONS JOHN Ts patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Parsons John T 14
#2 Brogren Axel V 3
#3 Mcdonough James O 3
#4 Susskind Alfred K 3
#5 Forrester Jay W 3
#6 Pease William M 3
#7 Gross Jerome A 1
#8 T Parsons John 1
#9 Goodland Donald E 1
#10 E Goodland Donald 1

Latest patents

Publication Filing date Title
US5079821A Matrix-supported machining of slender parts
US4730382A Meltable matrix chucking and machining
US4629378A Meltable matrix chucking machining center and process using
CA960093A Controllable pitch marine propeller
US3707029A Superimposed modular construction of vaporizable patterns
US3695340A Multi-part combustible casting pattern having bend-resistant glue-less joints
US3635280A Self-aligned multipart combustible casting pattern and method of making same
US3635124A Use of tape-controlled milling machines to carve combustible casting patterns
US3576070A Warpage minimizing process for machining metal castings
US3557443A Method of machining propeller castings relative to a plane of reference
US3431478A Machine tool numerical control system
US3226677A Pulse ratio control system
US3069608A Numerical control servo-system
US2346700A Bomb fin crate
US2412420A Bomb protective band
US2383885A Impact spider
CA901353A Use of tape-controlled milling machines to carve combustible casting patterns