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POTTER ELECTRIC SIGNAL

Overview
  • Total Patents
    14
About

POTTER ELECTRIC SIGNAL has a total of 14 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, control and mechanical elements are TECHNICAL GRAPHICS SECURITY PRODUCTS LLC, PROTEX INTERNATIONAL CORP and GAMEWELL FIRE ALARM TELEGRAPH.

Patent filings in countries

World map showing POTTER ELECTRIC SIGNALs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 4

Patent filings per year

Chart showing POTTER ELECTRIC SIGNALs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ward David M 5
#2 Wilson Stanley Jr 3
#3 Baker Robert K 2
#4 Royse David L 2
#5 Hopmann Robert E 2
#6 Wilson Jr Stanley 1
#7 Borger Robert M 1
#8 Virkus Mark K 1

Latest patents

Publication Filing date Title
US4739134A Valve monitoring switch assembly
US4234879A Plug-type switch
US4218677A Detecting loop digital interface circuitry
US4254410A Pseudo-random pulse line security monitoring system
US4203095A Monitoring apparatus for direct wire alarm system
CA1070408A Double-detecting loop type alarm system
US4079363A Double-detecting loop type alarm system
US4063056A Bi-directional limit switch
US3921989A Non-binding shaft seal assembly for liquid flow detectors
US3912247A Pneumatic retard having stroke-accelerating valve