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HOLMAN JOHN A

Overview
  • Total Patents
    12
About

HOLMAN JOHN A has a total of 12 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets machines, machine tools and electrical machinery and energy are MOLDITE INC, ILLBRUCK PROD and TIMTEK LLC.

Patent filings in countries

World map showing HOLMAN JOHN As patent filings in countries
# Country Total Patents
#1 United States 7
#2 Australia 3
#3 Canada 2

Patent filings per year

Chart showing HOLMAN JOHN As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Holman John A 9
#2 Holman John Arthur 2

Latest patents

Publication Filing date Title
AU6887991A Clamping mechanism for a workpiece
AU599563B3 Plate-joiner adaptor for a portable electric grinder
AU3621189A Frame for converting a hand-held portable planer to a table planer or buzzer
US4255477A Artificial board of lumber
CA1113366A Artificial board of lumber and method for manufacturing same
US4122236A Artificial board of lumber and method for manufacturing same
US3890077A Apparatus for manufacturing artificial boards and shapes
US3298334A Device for injecting an additive into the output of a carburetor
US2885507A Level indicators, and more particularly to systems for indicating that the level of a liquid has attained a predetermined value
US2855500A Glare filter for head lamp