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AMERICAN TECH CORP

Overview
  • Total Patents
    221
About

AMERICAN TECH CORP has a total of 221 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets audio-visual technology, consumer goods and telecommunications are STAGES PCS LLC, ACOUSTIC 3D HOLDINGS LTD and ELNO.

Patent filings per year

Chart showing AMERICAN TECH CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Croft James J Iii 98
#2 Norris Elwood G 97
#3 Croft Iii James J 35
#4 Norris Joseph O 23
#5 Spencer Michael E 22
#6 Graebener David 16
#7 Selfridge Alan Robert 13
#8 Khuri-Yakub Pierre 13
#9 Croft James J 9
#10 Bank Jeevan G 7

Latest patents

Publication Filing date Title
WO2008036321A2 High intensity vehicle proximity acoustics
US2008129470A1 Directional acoustic device
US2007003076A1 Bandpass woofer enclosure with multiple acoustic filters
WO2008121095A2 Directional acoustic device
US2009116660A1 In-Band Parametric Sound Generation System
US2006233404A1 Horn array emitter
US2005281413A1 Parametric audio system for operation in a saturated air medium
US2005244016A1 Parametric loudspeaker with electro-acoustical diaphragm transducer
US2005195985A1 Focused parametric array
US2005185800A1 Parametric sound system with lower sideband
US2007189548A1 Method of adjusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same
WO2005036921A2 Parametric loudspeaker system for isolated listening
CN1871873A Parametric tranducer having an emitter film
US2005084122A1 Method for constructing a parametric transducer having an emitter film
US2005100181A1 Parametric transducer having an emitter film
EP1632104A2 System and method for delivering audio-visual content along a customer waiting line
KR20050075021A A high intensity directional electroacoustic sound generating system for communications targeting
AU2003252148A8 Audio information leaflet system
US2004052387A1 Piezoelectric film emitter configuration
AU2003217234A1 Modulator- amplifier