Learn more

WALKER HAROLD R

Overview
  • Total Patents
    12
About

WALKER HAROLD R has a total of 12 patent applications. Its first patent ever was published in 1959. It filed its patents most often in United States and EPO (European Patent Office). Its main competitors in its focus markets digital networks, measurement and electrical machinery and energy are COMMERCIAL CABLE COMPANY, TIMI TECHNOLOGIES CO LTD and DIALOGIC NETWORKS ISRAEL LTD.

Patent filings in countries

World map showing WALKER HAROLD Rs patent filings in countries
# Country Total Patents
#1 United States 9
#2 EPO (European Patent Office) 3

Patent filings per year

Chart showing WALKER HAROLD Rs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Walker Harold R 12

Latest patents

Publication Filing date Title
US2007237218A1 Apparatus and method for ultra narrow band communications
US7424065B2 Apparatus and method for ultra narrow band wireless communications
US7268638B2 Apparatus and method for data rate multiplication
US5185765A High speed data communication system using phase shift key coding
EP0325005A1 High speed binary data communication system
US4742532A High speed binary data communication system
US3040205A Electrostatic vidicon
US2984747A Radiant energy detecting and collecting apparatus
US2984786A Phase comparator
US3016716A Liquid oxygen cooler for airborne infrared cells