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RICHARDS FRANCIS H

Overview
  • Total Patents
    115
About

RICHARDS FRANCIS H has a total of 115 patent applications. Its first patent ever was published in 1895. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, machine tools and mechanical elements are CARTER RAY L, FAY J A & EGAN CO and NORCO INC.

Patent filings in countries

World map showing RICHARDS FRANCIS Hs patent filings in countries
# Country Total Patents
#1 United States 105
#2 Canada 10

Patent filings per year

Chart showing RICHARDS FRANCIS Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Richards Francis H 115
#2 Zehnder William D 1
#3 Dunham Herbert F 1

Latest patents

Publication Filing date Title
US1768861A Barn and other building
US1420217A Expansion joint
US1290356A Collapsible tap.
US1191234A Adjustable looper for sewing-machines.
US1191233A Sewing-machine.
US1191232A Sewing-machine.
US1188831A Collapsible tap.
US1008436A Carving-machine.
US1005310A Carving-machine.
US947760A Art of manufacturing type-bars.
US947761A Mechanism for producing type-bars.
US957905A Coiling and feed mechanism.
US1134961A Mechanical movement.
US912169A Machine for making types and type-bars.
US919226A Method of making types and type-bars.
US919224A Art of making types and type-bars.
US867079A Carving-machine.
US919223A Art of making types and type-bars.
US868010A Candy-working machine.
US919222A Art of making type-bars.