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MDH IND INC

Overview
  • Total Patents
    13
About

MDH IND INC has a total of 13 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets measurement, basic communication technologies and digital networks are PARTICLE DATA, SHENZHEN KINGFOCUS BIOMEDICAL ENG CO LTD and ARYBALLE TECH.

Patent filings in countries

World map showing MDH IND INCs patent filings in countries
# Country Total Patents
#1 United States 12
#2 United Kingdom 1

Patent filings per year

Chart showing MDH IND INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Harrington Timothy M 7
#2 Marshall Iii J Howard 7
#3 Harrington Steven M 1
#4 Marshall J Howard Iii 1
#5 Marshall J Howard 1
#6 Harrington Timothy A 1

Latest patents

Publication Filing date Title
US4151404A Random digit generator
US4171485A Apparatus for analyzing the spectral data in an elemental analyzer measuring gamma rays arising from neutron capture in bulk substances
US4152596A Apparatus for reducing pulse pileup in an elemental analyzer measuring gamma rays arising from neutron capture in bulk substances
US4266132A Apparatus for controlling neutrons escaping from an elemental analyzer measuring gamma rays arising from neutron capture in bulk substances
US4090082A Circuitry for improving linearity of a counting system
US4005364A Digital circuit for measuring relative frequency in separate pulse trains
US4083044A Unipolar wide-range current-to-frequency converter
US3991611A Digital telemetering system for subsurface instrumentation
US3984690A Circuitry for use with an ionizing-radiation detector
US3936745A Method of measuring the duration of a discontinuous signal
US3921012A Wide-range current-to-frequency converter
US3897344A Frequency-programmed electron-capture detector