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SMITH DRUM AND COMPANY

Overview
  • Total Patents
    41
About

SMITH DRUM AND COMPANY has a total of 41 patent applications. Its first patent ever was published in 1911. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets chemical engineering, textiles and paper and packaging and shipping are FRANKLIN PROCESS COMPANY, HAHN PAUL and OSAKA BOBIN KK.

Patent filings in countries

World map showing SMITH DRUM AND COMPANYs patent filings in countries
# Country Total Patents
#1 United States 23
#2 Canada 16
#3 France 1
#4 United Kingdom 1

Patent filings per year

Chart showing SMITH DRUM AND COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Drum Harry S 24
#2 Dodson William C 18
#3 Jaxheimer William H 14
#4 Alfred Hopkins 4
#5 Skitt James H 4
#6 Drum George E 4
#7 Skitt James Henry 3
#8 Hopkins Alfred 1
#9 Dodson William Carter 1
#10 Kohout Addison Stephen 1

Latest patents

Publication Filing date Title
US2621506A Wool degreasing machine
US2593422A Wool degreasing machine
US2524629A Mounting for yarn packages
US2368916A Apparatus for processing wool and fibrous material
US2356834A Yarn drying apparatus
US2317896A Mounting for heat responsive instruments used in yarn package drying
US2304897A Yarn drying apparatus
US2293599A Combination beam and package dyeing machine
US2235254A Vat mounting for a package carrier
US2238633A Apparatus for handling package carriers
US2306719A Spindle for yarn package dyeing apparatus
US2263924A Mechanism for controlling the circulation in dyeing apparatus
US2218310A Apparatus for dyeing package yarn
US2180896A Method of dyeing package yarn
US2227926A Circulating system for material treating
US2171975A Method and apparatus for treating artificial thread
US2017690A Processing apparatus for fiber cakes
US2017691A Method of processing fiber cakes
US2041118A Thread winding mechanism
US1992026A Thread winding mechanism