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CHAMBERLAIN & HOOKHAM LTD

Overview
  • Total Patents
    176
About

CHAMBERLAIN & HOOKHAM LTD has a total of 176 patent applications. Its first patent ever was published in 1895. It filed its patents most often in United Kingdom, France and Switzerland. Its main competitors in its focus markets measurement, electrical machinery and energy and control are ARON ELECTRICITY METER LTD, GEORGE WALL and ARON ELEK CITAETSZAEHLERFABRIK.

Patent filings in countries

World map showing CHAMBERLAIN & HOOKHAM LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 142
#2 France 10
#3 Switzerland 8
#4 Germany 8
#5 United States 7
#6 Austria 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Lewis Harry Stanley 24
#2 Deacon Lionel Oakley 16
#3 Samuel James 11
#4 Hookham Ltd Chamberlain 8
#5 Harris Bernard Henry 7
#6 Mcguirk Francis 7
#7 Capper Brian Leslie 7
#8 Stanley Lewis Harry 3
#9 Francis Mcguirk 3
#10 Done Maurice Lawton 3

Latest patents

Publication Filing date Title
GB1155271A Relay Device Sensitive to Current in a Circuit.
GB1040583A Register mechanisms
GB1040584A Register mechanisms
GB1040581A Register mechanisms
GB1040582A Register mechanisms
US3194906A Electrical apparatus having a housing and a withdrawable frame or like support
GB973380A Register mechanisms
GB942355A Improvements in or relating to electrical apparatus having a case or housing and a withdrawable frame or like support
GB985135A Improvements in or relating to electrical apparatus and the connection of electricalcomponents included therein
GB981088A Improvements in or relating to electrical apparatus having a case or housing and a withdrawable frame or like support
GB985781A Improvements in or relating to electrical conductors
GB946496A Lamp switching circuit
GB946362A Lamp switching circuit
GB945725A Improvements in or relating to terminals on electrical instruments
GB975423A A housing for carrying electrical apparatus
US3109074A Cyclically operated switch control apparatus
US3109073A Cyclically operated switch control apparatus
US3059737A Means for adjustably connecting together two parts
GB975422A A housing for carrying electrical apparatus
GB930130A Improvements in or relating to electricity maximum demand indicators