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HALL LAB

Overview
  • Total Patents
    77
About

HALL LAB has a total of 77 patent applications. Its first patent ever was published in 1949. It filed its patents most often in Canada, Germany and France. Its main competitors in its focus markets basic materials chemistry and materials and metallurgy are CARBONISATION ET CHARBONS ACTIFS S A, HUBEI SINOPHORUS ELECTRONIC MAT CO LTD and CARLSON LAWRENCE.

Patent filings in countries

World map showing HALL LABs patent filings in countries
# Country Total Patents
#1 Canada 74
#2 Germany 2
#3 France 1

Patent filings per year

Chart showing HALL LABs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hatch George B 10
#2 Schwartz Charles 8
#3 Munter Casimir J 6
#4 Hall Ralph E 5
#5 Rice Owen 5
#6 Hall Ralph Emmons 4
#7 Partridge Everett P 4
#8 Wilson John Arthur 3
#9 Roland Charles T 3
#10 Hall George O 3

Latest patents

Publication Filing date Title
CA509262A Method of and apparatus for producing ammonium phosphate
CA411478A Alkaline detergent
CA415773A Water treatment
CA450595A Bleaching of vegetable tanned leather
CA447290A Glassy composition
CA463861A Process of desalting pickled hides and skins
CA479734A Methods for producing ammonium metaphosphate
CA432848A Washing composition
CA455017A Well drilling mud and process
CA471769A Curing of meats to inhibit undesirable color changes
CA405294A Cultured buttermilk
CA528210A Boiling out steam boilers
CA449353A Mixing the effluent of potassium base exchanger with water for use in boilers
CA437331A Phosphate recovery from phosphate boiler sludge
CA504834A Glassy molecularly dehydrated phosphates
CA417399A Corrosion inhibition process
CA481670A Phosphate product and method of making same
CA482501A Powdered glassy phosphate composition and method of making the same
CA471917A Compositions and methods of depositing amorphous metal-phosphate coatings on metal surfaces
CA445880A Stabilized hardness sequestering compound and method of stabilizing alkali-metal phosphate glass in aqueous solutions