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DODGSON FRANK LEMONT

Overview
  • Total Patents
    26
About

DODGSON FRANK LEMONT has a total of 26 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United Kingdom, Switzerland and Spain. Its main competitors in its focus markets electrical machinery and energy are LANDIS AND GYR A G, SU GANGYIN and GIUSEPPE SCARPA.

Patent filings in countries

World map showing DODGSON FRANK LEMONTs patent filings in countries
# Country Total Patents
#1 United Kingdom 6
#2 Switzerland 5
#3 Spain 5
#4 Denmark 4
#5 Austria 3
#6 Canada 2
#7 United States 1

Patent filings per year

Chart showing DODGSON FRANK LEMONTs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Electrical machinery and energy

Focus technologies

# Technology
#1 Electric switches
#2 Magnets and transformers

Top inventors

# Name Total Patents
#1 Dodgson Frank Lemont 16
#2 Frank Lemont Dodgson 5

Latest patents

Publication Filing date Title
US896809A Relay.
GB190318364A Improvements in Railway Signalling Apparatus
GB190314313A Improvements in Railway Signalling Apparatus.
AT11298B Device for operating pneumatic or hydraulic railway safety devices.
GB190107709A Improvements in Fluid Pressure Reducing Valves.
GB190106552A Improvements in and relating to Pneumatic Apparatus for Operating Railway Signals, Points and the like.
GB190105669A Improvements in and connected with Pneumatic Apparatus for Operating Railway Signals, Points and the like
GB190105575A Improvements in and connected with Pneumatic Apparatus for Operating Railway Signals, Points, and the like
CA69365A Railway signal and switch apparatus
CA69366A Railway switch and semaphore