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CHELTENHAM AUTO CONTROLS LTD

Overview
  • Total Patents
    32
About

CHELTENHAM AUTO CONTROLS LTD has a total of 32 patent applications. Its first patent ever was published in 1955. It filed its patents most often in France, Belgium and Canada. Its main competitors in its focus markets measurement, control and chemical engineering are ROSAEN NILS O, CHEN PO-HUI and PITTSBURGH FILTER MFG COMPANY.

Patent filings in countries

World map showing CHELTENHAM AUTO CONTROLS LTDs patent filings in countries
# Country Total Patents
#1 France 7
#2 Belgium 6
#3 Canada 5
#4 United Kingdom 5
#5 United States 4
#6 Germany 2
#7 Denmark 2
#8 Austria 1

Patent filings per year

Chart showing CHELTENHAM AUTO CONTROLS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hallett Henry Albert 7
#2 Hallett Henry A 5
#3 Albert Hallett Henry 4
#4 Young Robert W 1
#5 Young Robert William 1
#6 William Young Robert 1

Latest patents

Publication Filing date Title
DE1271416B Measuring and control device for container level measurement with a pneumatic transducer
GB996614A Improvements in or relating to pneumatic transmitters
GB953729A Improvements in position indicating methods
GB942742A Improvements in or relating to gas filtration plant
DE1176381B Pneumatic transducer
US3014372A Pneumatic force-balance signal transmitters
GB850221A Improvements in or relating to pneumatic force-balance controllers
GB837412A Improvements in or relating to pneumatic force-balance signal transmitters
CA694888A Pneumatic transmitters
CA657252A Gas filtration plant
CA677201A Position indicators
CA609952A Pneumatic force-balance signal transmitters
CA698451A Pneumatic force-balance controllers