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WILLIAM S FERRIS

Overview
  • Total Patents
    38
About

WILLIAM S FERRIS has a total of 38 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, furniture and games and machines are LIFTER SRL, S & A IND EQUIPMENT LTD and KALAMAZOO SLED COMPANY.

Patent filings in countries

World map showing WILLIAM S FERRISs patent filings in countries
# Country Total Patents
#1 United States 36
#2 Canada 2

Patent filings per year

Chart showing WILLIAM S FERRISs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Adams Arthur J 13
#2 Mcgill Albert E 11
#3 Beier Frank J 4
#4 Olson Percy W 3
#5 Alfreds Torris H 2
#6 Loshbough James E 2
#7 Maclachlan Elizabeth 1
#8 Fletcher Philip 1
#9 Turner Samuel J 1
#10 Philip Pletcher 1

Latest patents

Publication Filing date Title
US1782398A Back-rest arrangement for chairs
US1734179A Back-rest construction
US1734180A Back-rest arrangement
US1684106A Adjustable back rest for chairs
US1721573A Chair construction
US1691033A Chair
US1691034A Adjustable back rest for chairs
US1691035A Swiveling chair
US1691036A Footrest for chairs
US1637846A Swiveling chair
US1259466A Cart.
US1239201A Cutting and cleaning tool.
US1094418A Folding go-cart.
US1094417A Folding go-cart.
US1094419A Folding go-cart.
US1094459A Folding perambulator or go-cart.
US1094460A Folding go-cart.
US1094458A Folding baby-carriage.
US1111514A Go-cart or perambulator.
US1093095A Go-cart or perambulator.