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ESTECH SYSTEMS INC

Overview
  • Total Patents
    15
About

ESTECH SYSTEMS INC has a total of 15 patent applications. Its first patent ever was published in 1997. It filed its patents most often in United States. Its main competitors in its focus markets telecommunications and digital networks are MOUNTSTEPHEN EDRED RABJOHN, NORTH HARRY and BURKE CHARLES GOODWIN.

Patent filings in countries

World map showing ESTECH SYSTEMS INCs patent filings in countries
# Country Total Patents
#1 United States 15

Patent filings per year

Chart showing ESTECH SYSTEMS INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Suder Eric G 13
#2 Hansen Ii Harold E A 13
#3 Suder Eric 2
#4 Platt George 1
#5 Hansen Harold E 1
#6 Berger Brian 1
#7 Boyd Doug 1
#8 Wende Harvey 1

Latest patents

Publication Filing date Title
US2015044986A1 Notation-enabled communication system and method of use thereof
US7564834B1 Shared knowledge in a telephone system
US2004022373A1 Voice mail in a voice over IP telephone system
US7826440B1 Quality of service in a remote telephone
US2003007606A1 Service observing in a voice over IP telephone system
US7421066B1 Telephone call/voice processing system
US7068684B1 Quality of service in a voice over IP telephone system
US7221741B1 Dialing using caller ID
US6842505B1 Communications system enhanced with human presence sensing capabilities
US6067349A Dialing using caller ID
US6252944B1 Telephone call/voice processing system
US6940962B1 Dial on-hold