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MITCHELL CO JOHN E

Overview
  • Total Patents
    86
About

MITCHELL CO JOHN E has a total of 86 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets machines, engines, pumps and turbines and textiles and paper are HERRICK L JOHNSTON INC, MOCK BRUNO A and 500 INC.

Patent filings in countries

World map showing MITCHELL CO JOHN Es patent filings in countries
# Country Total Patents
#1 United States 60
#2 United Kingdom 5
#3 Canada 4
#4 Germany 4
#5 Japan 4
#6 Hong Kong 3
#7 Brazil 2
#8 France 2
#9 Spain 1
#10 Italy 1

Patent filings per year

Chart showing MITCHELL CO JOHN Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Orville Mitchell 25
#2 Smith Dudley C 9
#3 Roden Richard L 7
#4 Freeman Jr William P 7
#5 Harris John D 5
#6 Mitchell Orville 5
#7 Mcmahon John A 4
#8 Johnson Russell L 4
#9 Freeman William P Jr 3
#10 Farley Forney E 3

Latest patents

Publication Filing date Title
US4093055A Torque-transmitting, torque sensing system
US4082142A Housing for expansion unit of cooling system
GB1412777A Refrigeration compressor
DE2157816A1 COOLANT COMPRESSOR
HK40578A Refrigeration compressor
GB1307866A Compressor unit
US3591051A Control to proportion ingredients supplied to drink dispensers
US3578753A Liquefied petroleum vaporizer with automatic vaporizer bypass
US3552886A Compressor unit with self-contained drive means
US3510617A Dual action pressure switch
US3529748A Dispenser for partially frozen confections
US3507206A Evaporator casing for vehicle air conditioners
US3484807A Belt tension gauge calibration
US3470706A Machine for making carbonated desserts
US3403524A Machine for dispensing semi-frozen drinks and control therefor
US3425192A Vacuum cleaning system
US3407616A Vaporizer for fuel gases
US3507475A Faucet valve
US3407746A High pressure piston pump
US3356102A Overhead boom