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LANGE EDWARD H

Overview
  • Total Patents
    28
About

LANGE EDWARD H has a total of 28 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States. Its main competitors in its focus markets basic communication technologies, machines and transport are CECIL GILLETT EDWARD HENRY JAM, VACO PRODUCTS INC and WILLIAM DAVIS.

Patent filings in countries

World map showing LANGE EDWARD Hs patent filings in countries
# Country Total Patents
#1 United States 28

Patent filings per year

Chart showing LANGE EDWARD Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lange Edward H 28

Latest patents

Publication Filing date Title
US3167864A Spirit level
US2795746A Electric conduction control element utilizing conductor-insulator composite
US2439010A Portable collapsible power-distribution tower for electric lawn mowers
US2483777A Motor-power propelled lawn mowing machine
US2445621A Demodulator device for frequency and amplitude modulation
US2452132A Diode modulator
US2395413A Demodulator device for frequency and amplitude modulation
US2406082A Electronic frequency-control device
US2383323A Demodulator device for frequency and amplitude modulation
US2382015A Demodulator for frequency and amplitude modulation
US2382014A Universal demodulator for frequency and amplitude modulation
US2369055A Thermionic device for converting frequency-modulation into amplitude-modulation
US2324090A Method and apparatus for removing amplitude modulation
US2305262A Method and means for normalizing thermionic oscillators
US2267795A Filter unit for tobacco pipes
US2255389A Motor vehicle starting power control system
US2169730A Filter-unit attachment for tobacco pipes
US2105539A Tobacco pipe
US2183354A Automobile control appliance
US2016864A Automobile control mechanism