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MERSHON RALPH DAVENPORT

Overview
  • Total Patents
    20
About

MERSHON RALPH DAVENPORT has a total of 20 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United Kingdom, Canada and Switzerland. Its main competitors in its focus markets electrical machinery and energy are OKI DENKI NAGANO KK, TONICHI KYOSAN CABLE LTD and ANHUI SHENZHOU CABLE GROUP CO LTD.

Patent filings in countries

World map showing MERSHON RALPH DAVENPORTs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 Canada 4
#3 Switzerland 3
#4 Austria 2
#5 Spain 2

Patent filings per year

Chart showing MERSHON RALPH DAVENPORTs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Cables and insulators

Top inventors

# Name Total Patents
#1 Mershon Ralph Davenport 15
#2 Ralph Davenport Mershon 3

Latest patents

Publication Filing date Title
GB191100239A Improvement in Insulating Devices and Method of Making the same.
GB191028352A New or Improved Method of Forming Dielectric Films in Aluminium and other Electrolytic Cells.
CA130275A Art of forming dielectric films
CA121748A Electric motor
CA119771A Insulating support for high tension conductors
GB190810317A Improvements in Insulating Supports for High Tension Conductors.
GB190708183A Improvements in Alternating Current Dynamo-electric Machines
GB190705564A Concatenated Control of Alternating Current Motors.
GB190705565A Improvements in Alternating Current Dynamo-electric Machines.
GB190704175A Method and Apparatus for Producing a Desired Distribution of Magnetic Flux in Motors, Generators and other Electrical Apparatus.
GB190002700A Improved Method of and Means for Indicating Speed or Current Frequency of Electric Generators.
GB189914908A Improved Method of and Apparatus for Indicating Potential in Systems of Electrical Distribution.
CA211385A Electrode for electrolytic apparatus