Learn more

WILBUR W MARSH

Overview
  • Total Patents
    36
About

WILBUR W MARSH has a total of 36 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States. Its main competitors in its focus markets machines, mechanical elements and electrical machinery and energy are PERSOONS JULES, TILETECH LTD and AMERICAN TOOL & MACHINE CO.

Patent filings in countries

World map showing WILBUR W MARSHs patent filings in countries
# Country Total Patents
#1 United States 36

Patent filings per year

Chart showing WILBUR W MARSHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Morgan Thomas W 28
#2 Hackett Charles H 17
#3 Menges Theodore C 1

Latest patents

Publication Filing date Title
US1437651A Convertible cream separator
US1328084A Liner for centrifugal cream-separators
US1166706A Electromagnet.
US1147037A Belt connection.
US1153944A Magneto-generator.
US1150291A Valve-timer for internal-combustion engines.
US1119105A Magneto-generator.
US1015018A Cream-exit for centrifugal cream-separators.
US980658A Speed-regulator for internal-combustion engines.
US1127435A Device for use in cleaning disks of centrifugal separators.
US967372A Feed device for centrifugal separators.
US907144A Centrifugal cream-separator.
US907143A Centrifugal cream-separator.
US914488A Liner for centrifugal cream-separators.
US961345A Elastic collar-bearing for centrifugal machines.
US890050A Cream-exit for centrifugal cream-separators.
US902963A Adjustable cream-exit for centrifugal cream-separators.
US891280A Friction-clutch.
US890083A Ratchet-coupling.
US888634A Driving mechanism for centrifugal cream-separators.