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PARMITER HOPE & SUGDEN LTD

Overview
  • Total Patents
    18
About

PARMITER HOPE & SUGDEN LTD has a total of 18 patent applications. Its first patent ever was published in 1944. It filed its patents most often in United Kingdom and United States. Its main competitors in its focus markets electrical machinery and energy and machines are THERMOSEN INC, KB DENVER INC and WOOD ELECTRIC CORP.

Patent filings in countries

World map showing PARMITER HOPE & SUGDEN LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 14
#2 United States 4

Patent filings per year

Chart showing PARMITER HOPE & SUGDEN LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Electrical machinery and energy
#2 Machines

Focus technologies

# Technology
#1 Electric switches
#2 Unspecified technologies

Top inventors

# Name Total Patents
#1 Sugden Eric William 6
#2 Hope Vernon 5
#3 William Sugden Eric 3
#4 Sugden Eric W 1
#5 Bowman George Edward 1
#6 Blake Ronald Edward 1

Latest patents

Publication Filing date Title
GB954513A Improvements in or relating to electric fuses
GB908452A Improvements in or relating to electric fuses
GB930233A Improvements in or relating to electric fuses
US2816989A Electric fuses
GB789545A Improvements in and relating to electric fuses
GB775484A Improvements in and relating to electric cartridge fuses
GB776609A Improvements in and relating to electric fuses
GB777057A Improvements in and relating to electric fuses
GB692622A Improvements in and relating to fusible electrical cut-out assemblies
GB692621A Improvements in and relating to fusible electrical cut-out assemblies
GB673002A Improvements in and relating to electrical fuses of the bi-metallic type
GB669378A Improvements in and relating to electrical fuses of the bi-metallic type
GB637782A Improvements in or relating to fuse carriers and contacts therefor
GB637431A Improvements in or relating to electric fuses
GB637432A Improvements in or relating to electric fuses