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DRAPER MFG CO

Overview
  • Total Patents
    73
About

DRAPER MFG CO has a total of 73 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets packaging and shipping, machines and machine tools are GUARDIAN SAFETY SEAL COMPANY, RIEKE METAL PRODUCTS CORP and ARTHUR H PARKER.

Patent filings in countries

World map showing DRAPER MFG COs patent filings in countries
# Country Total Patents
#1 United States 44
#2 Canada 23
#3 United Kingdom 5
#4 France 1

Patent filings per year

Chart showing DRAPER MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Draper Charles T 46
#2 Grosser Walter C 7
#3 Draper Thomas 5
#4 Draper Charles Thomas 4
#5 Draper Charles H 3
#6 Shera John W 2
#7 Lees Harry W 2
#8 Dunneback Joseph G 1
#9 Fetterly John F 1
#10 Draphe Charles T 1

Latest patents

Publication Filing date Title
US2242662A Thread swaging apparatus
GB522848A Improvements relating to the manufacture of threaded sheet metal structures
US2282041A Container closure construction
US2271762A Method of making bung openings
US2145587A Thread swaging apparatus
US2156237A Container closure construction
US2071971A Split-ring barrel closure construction
US2029764A Bung ring construction
US2071970A Container cover closing machine
US2039965A Barrel gauge construction
US1915300A Threaded bung opening construction
US1914409A Closure for metallic containers
US1915310A Perforable bung ring structure
US1915309A Container closure seal
US1838136A Removable closure for metallic containers
US1915299A Removable closure for metallic containers
US1845078A Container and sealing means therefor
US1845082A Container and sealing means therefor
US1857443A Removable head barrel
US1773525A Means for drying cylindrical articles