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SPEARHEAD INC

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    199,832
About

SPEARHEAD INC has a total of 18 patent applications. Its first patent ever was published in 1970. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets telecommunications, medical technology and digital networks are ORANGE LOGIC CO, SHANGHAI JIUYAOJIU INFORMATION TECH CO LTD and ANITE FINLAND OY.

Patent filings in countries

World map showing SPEARHEAD INCs patent filings in countries

Patent filings per year

Chart showing SPEARHEAD INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hardway E 7
#2 Singh Harjeet 4
#3 Cheng Kit Ning 4
#4 Kandial Simon 4
#5 Hardway Edward V Jr 3
#6 Holtman William H 2
#7 Hardway Jun Edward Victor 1
#8 Holtman William Henry 1

Latest patents

Publication Filing date Title
US10009301B1 Peer-to-peer location-based messaging
CA1031829A Activity and respiration monitor
US3760254A Three-terminal capacitive servomechanism
US3774238A Three-terminal capacitive apparatus for remotely responding to a condition or dielectric properties of a material
US3774237A Differential methods and apparatus for measuring dielectric constant to determine a condition of a material
US3729991A Capacitive displacement transducer
US3729728A Capacitive switching device
US3732553A Capacitive pick-off transducer
US3703893A Method and apparatus for determining work of breathing
US3713436A Method and apparatus for measuring mechanical properties of the respiratory system