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WILLIAM F COWHAM

Overview
  • Total Patents
    17
About

WILLIAM F COWHAM has a total of 17 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United States. Its main competitors in its focus markets machines, packaging and shipping and civil engineering are WEHINGER ROBERT, FUJIAN HAIYUAN AUTOMATION MACHINERY CO LTD and PALMER NOYES F.

Patent filings in countries

World map showing WILLIAM F COWHAMs patent filings in countries
# Country Total Patents
#1 United States 17

Patent filings per year

Chart showing WILLIAM F COWHAMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Normandin Levi P 12
#2 Miller John W 1
#3 Wiltse Sidney L 1
#4 Rowley William W 1
#5 Robertson Alonzo P 1
#6 Levi P Normandin 1

Latest patents

Publication Filing date Title
US884101A Cement-block machine.
US880575A Molding-machine.
US944272A Cement-block-molding machine.
US826599A Machine for molding building-blocks.
US817684A Machine for molding cement blocks.
US817670A Method and machine for forming cement posts.
US817661A Machine for molding building-blocks.
US765251A Machine for molding building-blocks.
US768679A Machine for molding building-blocks.
US785755A Tamper.
US765674A Lifter.
US763942A Machine for molding blocks.
US732884A Lifter for building-blocks.
US732883A Roof.
US718506A Lifter for building-blocks.
US721825A Building-block.
US718507A Machine for manufacturing building-blocks.