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SPANG IND INC

Overview
  • Total Patents
    15
About

SPANG IND INC has a total of 15 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machines, electrical machinery and energy and materials and metallurgy are STEWARD INC, RESINITE CORP and CENTRAL TRANSFORMER CORP.

Patent filings in countries

World map showing SPANG IND INCs patent filings in countries
# Country Total Patents
#1 United States 8
#2 EPO (European Patent Office) 3
#3 WIPO (World Intellectual Property Organization) 3
#4 Canada 1

Patent filings per year

Chart showing SPANG IND INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Huth Joseph F Iii 6
#2 Olmsted Robert W 5
#3 Laing Alfred M 4
#4 Goldman Alex 3
#5 Bailey Dennis 2
#6 Huth Iii Joseph F 1
#7 Yu Bu-Fan B 1

Latest patents

Publication Filing date Title
US4511872A Inductance tuning means and methods of manufacture
US4372865A Carbonate/hydroxide coprecipitation process
US4225135A Kicker-type bumper assembly for games
US4225134A Target assembly for games
US4097392A Coprecipitation methods and manufacture of soft ferrite materials and cores
US3860524A High permeability manganese-zinc ferrites
US3666571A Magnetic particle core manufacturing process
US3607462A Process of magnetic particle preparation
CA898665A Magnetic particle product and process