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LEEF JOHN H

Overview
  • Total Patents
    36
About

LEEF JOHN H has a total of 36 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United States and Canada. Its main competitors in its focus markets consumer goods and machines are T D PALMER COMPANY, JANTZ GUSTAVE H and APPLIANCE CORP OF AMERICA.

Patent filings in countries

World map showing LEEF JOHN Hs patent filings in countries
# Country Total Patents
#1 United States 22
#2 Canada 14

Patent filings per year

Chart showing LEEF JOHN Hs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Leef John H 36
#2 Leef George H 4

Latest patents

Publication Filing date Title
US2662315A Multiple ironing machine
US2632966A Multiple ironing machine
US2632965A Multiple ironing machine
US2652643A Safety control for multiple ironing machines
US2589619A Attachment for laundry machines
US2541166A Roller type support for the tumbling drum of a clothes-washing machine
US2634522A Safety control for multiple ironing machines
US2556477A Multiple ironing machine
US2500992A Multiple ironer
US2497128A Ironing apparatus
US2428286A Clothes washing machine having tumbler end wall drain
US2434570A Clothes-washing machine
US2414154A Rotary drum clothes washing machine
US2285990A Garment ironer
US2234496A Garment pocket ironing device
US2180942A Garment sleeve ironer
US2180941A Garment leg ironer
US2180940A Apparatus for pressing tubular garment elements
US2180939A Garment leg and sleeve ironer
US2086773A Garment sleeve ironer