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JOHN FRANCIS HEMENWAY

Overview
  • Total Patents
    14
About

JOHN FRANCIS HEMENWAY has a total of 14 patent applications. Its first patent ever was published in 1916. It filed its patents most often in United States. Its main competitors in its focus markets consumer goods are NANTONG YAOHUA MECHANICAL AND ELECTRICAL CO LTD, SUZHOU SAIFUER MACHINERY CO LTD and ARDAM SNC.

Patent filings in countries

World map showing JOHN FRANCIS HEMENWAYs patent filings in countries
# Country Total Patents
#1 United States 14

Patent filings per year

Chart showing JOHN FRANCIS HEMENWAYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Consumer goods

Focus technologies

# Technology
#1 Laundering textiles

Top inventors

# Name Total Patents
#1 Wright Rea P 12
#2 Holaday Albert E 1

Latest patents

Publication Filing date Title
US1471640A Pressure release for clothes wringers
US1284105A Pressure-release for clothes-wringers.
US1224055A Combined stripper and pressure-release.
US1224054A Combined stripper and pressure-release.
US1220049A Automatic pressure-roll release for clothes-wringers.
US1220047A Pressure-roll release for clothes-wringers.
US1220044A Automatic pressure-roll release for clothes-wringers.
US1220048A Automatic pressure-roll-releasing device for clothes-wringers.
US1220045A Pressure-roll release for clothes-wringers.
US1220046A Pressure-roll release for clothes-wringers.
US1220050A Automatic pressure-roll release for clothes-wringers.
US1220042A Adjustable automatic pressure-roll release for clothes-wringers.
US1220043A Adjustable automatic pressure-roll release for clothes-wringers.
US1231467A Adjustable automatic pressure-roll release for clothes-wringers.