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DONOVAN ELECTRICAL COMPANY LTD

Overview
  • Total Patents
    24
About

DONOVAN ELECTRICAL COMPANY LTD has a total of 24 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United Kingdom. Its main competitors in its focus markets electrical machinery and energy, basic communication technologies and packaging and shipping are CHU JINXIONG, ISOSTAT and DONGGUAN GAOTE ELECTRONICS CO LTD.

Patent filings in countries

World map showing DONOVAN ELECTRICAL COMPANY LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 24

Patent filings per year

Chart showing DONOVAN ELECTRICAL COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hayward William Herbert 3
#2 Stevenson Stuart William 3
#3 Candy Geoffrey William 2
#4 Fair John William 1
#5 Donovan Grahame Walter 1
#6 Donovan John Walter 1
#7 Bench David Ewart 1
#8 Dalman Frederick Narborough 1
#9 Jackson Desmond John 1
#10 Torbe Juliusz 1

Latest patents

Publication Filing date Title
GB1199256A Safety Device Primarily for Machine Guards
GB1160672A Improvements relating to Proximity Detectors
GB1049512A Improvements relating to electric switches
GB1044069A Improvements relating to electrical switches
GB1066941A Improvements relating to proximity detectors
GB961685A Improvements in and relating to spring fastener assemblies
GB907982A Improvements relating to electromagnetic switches
GB871471A Improvements relating to electrical control apparatus for transfer and other machines
GB705204A Improvements in conveyor control systems
GB692200A Improvements in electric switch fuse mechanism
GB693004A Improvements in fuse carriers for electric fuses
GB672031A Improvements relating to automatic starters for electric motors
GB665536A Improvements relating to electromagnetic contactors
GB665537A Improvements relating to electromagnetic contactors
GB647333A Improvements in electric switch mechanism of the metal-clad type
GB648081A Improvements connected with electric switches
GB638849A Improvements in electric switch fuses
GB628854A Improvements in operating and control mechanism for portable electric drilling, grinding and like tools
GB613297A Improvements in or connected with electric switch and fuse contacts
GB613482A Improvements in switch fuses