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LOWELL PERCIVAL D

Overview
  • Total Patents
    11
About

LOWELL PERCIVAL D has a total of 11 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States and Canada. Its main competitors in its focus markets basic communication technologies, digital networks and telecommunications are SIGNAL PROCESSORS LTD, CLARIPHY COMMUNICATIONS INC and XIA PENGFEI.

Patent filings in countries

World map showing LOWELL PERCIVAL Ds patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 2

Patent filings per year

Chart showing LOWELL PERCIVAL Ds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lowell Percival D 11
#2 Dunmore Francis W 1
#3 William Hakkarinen 1

Latest patents

Publication Filing date Title
US2555352A Air launched radio station
US2424243A Remote control system
US2252811A Intercarrier noise suppressor system
US2186980A Superheterodyne signal receiving system
US2193825A Radiotelegraph receiver
US2111567A Transmission system
US2056200A Automatic signal receiving system
US2033948A Carrier wave printing telegraph system
US1455141A Radio receiving apparatus
CA317778A Radio receiving apparatus
CA230003A Radio amplifying system