Learn more

HARTWELL BENJAMIN F

Overview
  • Total Patents
    15
About

HARTWELL BENJAMIN F has a total of 15 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States. Its main competitors in its focus markets consumer goods, textiles and paper and machines are SOUTH CONE INC, AYERS FRED L and WRIGHT BATCHELDER CORP.

Patent filings in countries

World map showing HARTWELL BENJAMIN Fs patent filings in countries
# Country Total Patents
#1 United States 15

Patent filings per year

Chart showing HARTWELL BENJAMIN Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hartwell Benjamin F 15
#2 Hartwell Arthur F 6
#3 Hartwell Jr Leslie L 6

Latest patents

Publication Filing date Title
US2216439A Sole edge trimming cutter
US2217274A Integrated shoe quarter
US2187783A Method of making and premolding heel and quarter sections of boots and shoes
US2159762A Preparing and premolding heel and quarter portions of boots and shoes
US2170559A Process of making molded heel and quarter constructions
US2119274A Molded counter and unmolded quarter for boots and shoes, and method of making same
US1885718A Apparatus for producing crepe rubber spring-heeled shoe bottoms
US1739670A Machine for making laminated counter blanks and other articles
US1738533A Heel breasting and pressing machine
US1619023A Boot or shoe, composite sole therefor, and method of manufacturing same
US1669901A Boot or shoe, composite sole therefor, and method of manufacturing same
US1602903A Boot or shoe, composite sole therefor, and method of making
US1642878A Composite rubber sole
US1642877A Boot and shoe and prepared insole therefor
US1368721A Machine for grading soles, &c.