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EMERSON GEORGE H

Overview
  • Total Patents
    24
About

EMERSON GEORGE H has a total of 24 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 thermal processes, machines and civil engineering are NOOTER ERIKSEN INC, DOBLE STEAM MOTORS LTD and GEORGE LASKER.

Patent filings in countries

World map showing EMERSON GEORGE Hs patent filings in countries
# Country Total Patents
#1 United States 22
#2 Canada 2

Patent filings per year

Chart showing EMERSON GEORGE Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Emerson George H 24
#2 Whitsitt William B 3
#3 Cromwell Oliver C 2
#4 Hawkins Robert D 2
#5 Kitchen Frederick T 2
#6 Tatum John J 2
#7 Yoerg Henry 1

Latest patents

Publication Filing date Title
US2325383A Single drum locomotive boiler
US1973802A Locomotive steam boiler
US1972041A Friction vehicle draft and buffing gear
US1869309A Single drum locomotive boiler
US1818544A Siphon generator and circulator for locomotive boilers
US1807473A Siphon generator and circulator for locomotive boilers
US1783705A Railway-car wheel
US1763140A Locomotive water-tube boiler
US1789037A Locomotive boiler
US1774921A Method of heating the feed water of locomotives
US1771291A Fire box for boilers
US1817811A Feed-water heating system for locomotives
US1748871A Feed-water-heating system for locomotives
US1687197A Water-tube fire box for locomotive boilers
US1656475A Fire box for locomotive boilers
US1544731A Method of making stay bolts
US1660261A Feed-water heater for locomotives
US1278321A Frog and frog-chair.
US1171934A Spark-extinguisher.
US981401A Locomotive.