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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 8 | |
#2 | Canada | 6 | |
#3 | France | 1 |
# | Industry | |
---|---|---|
#1 | Control | |
#2 | Electrical machinery and energy | |
#3 | Measurement | |
#4 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Coin-freed | |
#2 | Measuring electric variables | |
#3 | Nails | |
#4 | Frames | |
#5 | Dynamo-electric machines | |
#6 | Emergency protective circuit arrangements |
# | 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 |
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 |