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HASELTINE CORP

Overview
  • Total Patents
    18
About

HASELTINE CORP has a total of 18 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United Kingdom and United States. Its main competitors in its focus markets basic communication technologies, audio-visual technology and electrical machinery and energy are MURPHY RADIO LTD, DELTAKABEL BV and CENTRAL DYNAMICS.

Patent filings in countries

World map showing HASELTINE CORPs patent filings in countries
# Country Total Patents
#1 United Kingdom 10
#2 United States 8

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Lewis Harold M 3
#2 Wheeler Harold A 2
#3 Madison Cawein 1
#4 Kelly Johnson John 1
#5 Swinyard William O 1
#6 Kemp Lloyd A W E 1
#7 Farrington John F 1

Latest patents

Publication Filing date Title
GB1141000A Continuous tuning tunable circuits for use in a combination uhf-vhf tv tuner
GB781889A Gamma-correction apparatus for a color-television system
GB581018A Signal clipping system particularly for television
US2253338A Modulated-carrier signal receiver
US2231829A Television synchronizing system
US2255050A Selectivity control
US2038253A Sound reproducing apparatus
US2118977A Television apparatus
US2039136A Wave signaling system
US2152482A Noise suppressor