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HALL LAB INC

Overview
  • Total Patents
    118
About

HALL LAB INC has a total of 118 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United States, United Kingdom and Switzerland. Its main competitors in its focus markets surface technology and coating, basic materials chemistry and environmental technology are SMITH KIM R, ERIKSSON TORD GEORG and BBT BERGEDORFER BIOTECH GMBH.

Patent filings in countries

World map showing HALL LAB INCs patent filings in countries

Patent filings per year

Chart showing HALL LAB INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Charles Schwartz 20
#2 Hall Ralph E 18
#3 Munter Casimir J 7
#4 Partridge Everett P 7
#5 Smith George W 4
#6 Owen Rice 4
#7 Hatch George B 4
#8 Hall George O 3
#9 Kurt Albrecht 3
#10 Arthur Wilson John 3

Latest patents

Publication Filing date Title
US2665211A Treatment of aqueous dispersions
US2581278A Abrasive detergent composition
GB661470A Apparatus for effecting self-regulated partial condensation of condensible vapors
US2689780A Method of and apparatus for producing ammonium phosphate
US2666164A Electronic conductivity meter
US2525754A Conductivity cell
US2593825A Conductivity controlled dispenser
US2549388A Method and apparatus for effecting self-regulated partial condensation of condensable vapors
US2561415A Method for producing ammonium phosphate
US2595539A Valveless vacuum-operated fluid circulating device for cleaning hollow objects such as teat cups and milk tubes
US2569936A Phosphate product and method of making same
US2528787A Protection of metals from corrosion
US2516806A Process of desalting pickled hides and skins
GB610201A Improvements relating to compositions containing hardness-sequestering phosphate and stabilizing agents
US2494828A Glassy phosphate powder composition and process of making the same
US2566424A Powdered glassy phosphate composition and method of making the same
US2582353A Milk protein products and process
US2499261A Compositions and methods for depositing amorphous metal-phosphate coatings on metal surfaces
US2562549A Treatment of steam systems
US2445879A Process of treating eggs