Learn more

CHAMBERLAIN AND HOOKHAM LTD

Overview
  • Total Patents
    15
About

CHAMBERLAIN AND HOOKHAM LTD has a total of 15 patent applications. Its first patent ever was published in 1897. It filed its patents most often in United Kingdom, Canada and France. Its main competitors in its focus markets control, electrical machinery and energy and measurement are CHENGDU XINGLIANYI TECHNOLOGY CO LTD, BRITISH ELECTRIC METERS LTD and GEORGE ARTHUR CHEETHAM.

Patent filings in countries

World map showing CHAMBERLAIN AND HOOKHAM LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 8
#2 Canada 6
#3 France 1

Patent filings per year

Chart showing CHAMBERLAIN AND HOOKHAM LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 James Samuel 7
#2 Deacon Lionel Oakley 2
#3 Purkis John 1
#4 Capper Brian Leslie 1
#5 Mcguirk Francis 1
#6 Harris Bernard Henry 1

Latest patents

Publication Filing date Title
GB946075A Means for protecting transformers and other electrical equipment
GB919892A Improvements in or relating to electricity maximum demand indicators
GB905165A Means for adjustably connecting together two parts
GB919893A Re-setting mechanism for use in electricity maximum demand indicators
GB905077A An assembly of an instrument or other article together with a sleeve therefore
GB191008922A Improvements in Prepayment Electricity Meters.
GB191003250A Improvements in Prepayment Electricity Meters.
GB189725599A Improvements in Electricity Meters.
CA292751A Electricity meter
CA255968A Power factor indicator
CA240269A Electricity meter
CA266082A Gas meter
CA304570A Electricity meter
CA255966A Electricity meter