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HALL & KAY LTD

Overview
  • Total Patents
    82
About

HALL & KAY LTD has a total of 82 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets thermal processes, chemical engineering and mechanical elements are MUNTERS EUROPE AB, ZABIEGLY RICHARD and ANEMOSTAT CORP.

Patent filings in countries

World map showing HALL & KAY LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 73
#2 United States 3
#3 Germany 2
#4 France 2
#5 Belgium 1
#6 Spain 1

Patent filings per year

Chart showing HALL & KAY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hall Sydney 15
#2 Hall Hubert Daniel 8
#3 Kay Eric 5
#4 Myers Alfred 5
#5 Kay Alan 3
#6 Harry Hall James 2
#7 Brooks Arthur Johnson 2
#8 Alfred Myers 2
#9 Sydney Hall 2
#10 Herbert Kay 1

Latest patents

Publication Filing date Title
GB959969A Spinning and doubling and similar frames
GB978827A Drying apparatus
ES275620A3 Apparatus for drying materials in the form of veil (Machine-translation by Google Translate, not legally binding)
GB952010A Brush filters
GB926835A A steplessly variable change speed gear
GB933636A Improvements in or relating to apparatus for treating or conditioning webs or sheetsof paper, cloth, plastics or a like material
GB849606A Improvements in and relating to screw bushes
GB864980A Improvements in or relating to air conditioning apparatus
GB849602A Improvements in and relating to screw bushes
GB858355A Improvements in and relating to pipe unions
GB834638A Improvements in and relating to apparatus for drying material in web form
GB845152A Improvements in and relating to internally screwed bushes
GB846356A Improvements in or relating to steam-extraction suction hoods
GB849592A Improvements in and relating to ventilators for use in fixed positions
GB849591A Improvements in and relating to ventilating devices
GB831495A Improvements in and relating to air conditioning apparatus
GB772263A Improvements in or relating to spars for spar rollers
GB756262A Improvements in or relating to air-conditioning apparatus
GB755631A Improvements in and relating to magazines for automatic looms
GB745573A Improvements in and relating to the construction of drums, rollers and the like