Learn more

GILCHRIST & COMPANY

Overview
  • Total Patents
    19
About

GILCHRIST & COMPANY has a total of 19 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States, Finland and United Kingdom. Its main competitors in its focus markets chemical engineering and foods and drinks are SPARKLER MFG CO, LANGRENEY FRANCOIS and GRAU FEINWERKTECH.

Patent filings in countries

World map showing GILCHRIST & COMPANYs patent filings in countries
# Country Total Patents
#1 United States 6
#2 Finland 3
#3 United Kingdom 3
#4 Austria 2
#5 Spain 2
#6 France 2
#7 Germany 1

Patent filings per year

Chart showing GILCHRIST & COMPANYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Chemical engineering
#2 Foods and drinks

Focus technologies

# Technology
#1 Sucrose production
#2 Separation
#3 Mixing

Top inventors

# Name Total Patents
#1 Graham Walton C 5
#2 Wetherbee Ashur U 4
#3 Rumsey Horace S 2
#4 Shafor Ralph W 2
#5 Horace Rumsey 1
#6 Grahm Walton C 1

Latest patents

Publication Filing date Title
GB247541A Improvements in and relating to mixing methods and apparatus
GB247542A Improvements in and relating to the treatment of liquids
GB245476A An improved process and apparatus for separating substances such as solids and gases from liquids
US1808546A Process and means for controlling the application of reagents to solutions
US1733324A Process and apparatus for defecating liquid
US1903215A Method for the purification of solutions
US1701164A Mixing apparatus and process
US1602014A Process and apparatus for separating substances from liquids