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FENNELL WILLIAM

Overview
  • Total Patents
    44
About

FENNELL WILLIAM has a total of 44 patent applications. Its first patent ever was published in 1903. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets machines, electrical machinery and energy and environmental technology are NETTE FRIEDRICH W, ERYUN CO LTD and KEESTRACK N V.

Patent filings in countries

World map showing FENNELL WILLIAMs patent filings in countries
# Country Total Patents
#1 United Kingdom 28
#2 United States 5
#3 Canada 3
#4 Austria 2
#5 Switzerland 2
#6 Denmark 2
#7 Spain 2

Patent filings per year

Chart showing FENNELL WILLIAMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fennell William 42
#2 Perry William Pagden 20
#3 Garbutt William Osborne 1
#4 Perry William P 1
#5 Lane Sidney David 1

Latest patents

Publication Filing date Title
GB110937A An Improved Process and Apparatus for Carbonising Metal Articles.
GB113624A An Improved Manufacture of Paper-makers' Pulp.
US1154981A Tube-mill.
US1154982A Tube-mill.
CA149192A Tube mill
GB191302799A Improvements in or relating to Tube Mills.
GB191311119A Improvements in or relating to Tube Mills.
CA144645A Tube mill
GB191224448A Improvements in or in connection with Tube Mills.
GB191222059A Improvements in or in connection with Tube Mills.
GB190906773A Improvements in and relating to Means for Charging and Discharging Storage Batteries.
GB190903554A Improvements in Electric Radiators and other Apparatus where Banks of Massed Lamps or other Radiating Devices are used.
GB190826752A Improvements in Electric Lampholders.
GB190813230A Improvements in Electric Lampholders.
GB190807644A Improvements in Apparatus for Restricting the Maximum Current Passing in Electric Circuits.
GB190807646A Improvement in Electric Meters for Limiting the Amount of Electrical Energy which may Pass through a Circuit to a Pre-determined Quantity.
GB190807645A Improvements in connection with Electric Meters.
GB190806973A Improvements in Electric Accumulators
GB190806972A Improved System of Electric Wiring
GB190806971A An Improved Photometer