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AMERLINE CORP

Overview
  • Total Patents
    40
About

AMERLINE CORP has a total of 40 patent applications. Its first patent ever was published in 1958. It filed its patents most often in United States, France and United Kingdom. Its main competitors in its focus markets audio-visual technology, optics and machines are TUSCAN IND PTY LTD, HATTIE B KUHLIK and SONY CINEMA PROD CORP.

Patent filings in countries

World map showing AMERLINE CORPs patent filings in countries
# Country Total Patents
#1 United States 18
#2 France 8
#3 United Kingdom 7
#4 Canada 5
#5 Germany 2

Patent filings per year

Chart showing AMERLINE CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hultgren Arnold P 9
#2 Weyrich Arthur G 6
#3 Tellen Chester J 4
#4 Linning George F 4
#5 Mckelvey Andrew Jr 3
#6 Becker Robert 1
#7 P Hultgren Arnold 1
#8 Brown Maurice H 1
#9 Becker Robert S 1
#10 Engelmann Werner 1

Latest patents

Publication Filing date Title
US3465875A Disc pack locking mechanism
US3474753A Read out ring signalling device
US3485456A Reel structure
FR1545259A Locking Mechanism for Calculator Tape Reel Case
US3489362A Endless tape cartridge
US3489273A Locking device for reel container
FR1526706A Construction of magnetic deflection winding equipment
FR1524618A Magnetic tape spool hub
FR1523880A Endless magnetic tape feeder
US3428929A Coil receiving structure
US3390363A Deflection yoke liner with cover
US3485457A Hub and reel construction
FR1494425A Device for locking the ends of an envelope covering a roll of tape
US3438591A Endless tape cartridge
FR1470170A Tape reel cover
FR1465304A Treatment process for removing tension in plastic tape reels
US3343667A Locking mechanism for wrap-around cover for tape reels
US3375990A Reel cover and apparatus for mounting on a reel
US3235067A Wrap-around for tape reels
US3208585A Locking means for reel case