Learn more

HUNT LOUIS JOHN

Overview
  • Total Patents
    13
About

HUNT LOUIS JOHN has a total of 13 patent applications. Its first patent ever was published in 1906. It filed its patents most often in Switzerland, Canada and United States. Its main competitors in its focus markets electrical machinery and energy are WUXI ASSEMBLE AUTOMATION EQUIPMENT CO LTD, NIPPON RIKEN KK and RUSH DAVID H.

Patent filings in countries

World map showing HUNT LOUIS JOHNs patent filings in countries
# Country Total Patents
#1 Switzerland 6
#2 Canada 5
#3 United States 2

Patent filings per year

Chart showing HUNT LOUIS JOHNs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Electrical machinery and energy

Focus technologies

# Technology
#1 Dynamo-electric machines

Top inventors

# Name Total Patents
#1 Hunt Louis John 7
#2 Louis John Hunt 6
#3 Sandycroft Limited 3
#4 Company Limited Sandycroft Fou 2

Latest patents

Publication Filing date Title
CA195190A Dynamo electric machine
CA156869A Dynamo electric machine
CA122253A Rotor winding
US934405A Dynamo-electric machine.
CA120282A Dynamo-electric machine
US926192A Dynamo-electric machine.
CA206894A Dynamo electric machine