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GREENWOOD CHARLES H

Overview
  • Total Patents
    11
About

GREENWOOD CHARLES H has a total of 11 patent applications. Its first patent ever was published in 1914. It filed its patents most often in United States and Canada. Its main competitors in its focus markets textiles and paper and civil engineering are KOBEST CO LTD, TICE ENGINEERING AND SALES INC and FLANAGAN JAMES ALEXANDER.

Patent filings in countries

World map showing GREENWOOD CHARLES Hs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 2

Patent filings per year

Chart showing GREENWOOD CHARLES Hs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Textiles and paper
#2 Civil engineering

Focus technologies

# Technology
#1 Sewing
#2 Doors and windows

Top inventors

# Name Total Patents
#1 Greenwood Charles H 11

Latest patents

Publication Filing date Title
US1699107A Presser bar
US1691242A Bobbin case
US1708296A Arm and bedplate for sewing machines
US1697424A Needle bar
US1699354A Sewing machine
US1507597A Sewing machine
US1504950A Bobbin winder
US1138750A Supporting-bracket.
US1145678A Sewing-machine.
CA248611A Sewing machine
CA248612A Bobbin winder