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MAGNETIC HEAD CORP

Overview
  • Total Patents
    17
About

MAGNETIC HEAD CORP has a total of 17 patent applications. Its first patent ever was published in 1971. It filed its patents most often in Canada, United States and France. Its main competitors in its focus markets audio-visual technology, machines and engines, pumps and turbines are ATELIERS DE CONSTRUCTIONS ELECTRIQUES DE CHARLEROI SA, VIDEO CASSETTE LOCK LTD and VRC CALIFORNIA.

Patent filings in countries

World map showing MAGNETIC HEAD CORPs patent filings in countries
# Country Total Patents
#1 Canada 4
#2 United States 4
#3 France 3
#4 Belgium 2
#5 Germany 2
#6 United Kingdom 2

Patent filings per year

Chart showing MAGNETIC HEAD CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hopkins Lionel G 5
#2 Braun Richard E 5
#3 Braun R E 2
#4 Hopkins L G 2
#5 Hopkins L 1
#6 Braun R 1
#7 Sheehan Neil J 1
#8 Sheehan N J 1
#9 Gray R 1
#10 Sanchez E J 1

Latest patents

Publication Filing date Title
CA965870A Dual gap magnetic head assembly employing electrical interhead and intertrack shielding
CA965869A Dual gap magnetic head assembly employing electrical interhead and intertrack shielding
US3737992A Method of manufacturing multiple track, dual gap magnetic heads
US3678576A Method of manufacturing multiple track, single gap magnetic heads
US3701859A Unipartite read/write and/or center section housing for dual gap magnetic head assemblies employing unitary intertrack shielding extensions
US3729637A Combined battery charger and automatic ignition booster