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CHISHOLM JOHN P

Overview
  • Total Patents
    12
About

CHISHOLM JOHN P has a total of 12 patent applications. Its first patent ever was published in 1966. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets measurement, control and transport are ERA SYSTEMS CORP, ANDERSON LAWRENCE F and VOJTOVICH NIKOLAJ IVANOVICH.

Patent filings in countries

World map showing CHISHOLM JOHN Ps patent filings in countries
# Country Total Patents
#1 United States 5
#2 Canada 4
#3 United Kingdom 2
#4 Germany 1

Patent filings per year

Chart showing CHISHOLM JOHN Ps patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chisholm John P 11

Latest patents

Publication Filing date Title
US4429312A Independent landing monitoring system
US4283725A In-flight aircraft weather radar calibration
US3950753A Stepped cardioid bearing system
CA1003540A Integrated collision avoidance, dme telemetry, and synchronization system
US3705404A Aircraft clock monitoring and time propagating
GB1193932A Mobile Unit Ranging System
US3434140A Matrix navigation system
CA842434A Mobile emergency unit locating system
CA842435A Mobile emergency unit locating system