Learn more

HANNA WILLIAM T

Overview
  • Total Patents
    27
About

HANNA WILLIAM T has a total of 27 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United States and Canada. Its main competitors in its focus markets thermal processes, machines and transport are COMB EER INC, SANFORD RILEY STOKER CO and STANDARD STOKER CO INC.

Patent filings in countries

World map showing HANNA WILLIAM Ts patent filings in countries
# Country Total Patents
#1 United States 18
#2 Canada 9

Patent filings per year

Chart showing HANNA WILLIAM Ts patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hanna William T 27

Latest patents

Publication Filing date Title
US2461212A Device for controlling the swing of trailer vehicles
US2516770A Tender conveyer for locomotive stokers
US2380840A Stoker apparatus
US2351959A Stoker
US2125289A Distributor plate for steam blast stokers
US1940798A Running gear for road vehicles
US1560987A Regulating means for conveyers
US1572430A Coal-cutting knife
US1832022A Distributor plate
US1497016A Reciprocating engine
US1497015A Mechanical stoker
US1497014A Automatic stoker
US1542344A Locomotive stoker
US1560083A Mechanical stoker
US1445275A Locomotive-engine stoker mechanism
US1002392A Blast-feed stoker.
US984662A Method of feeding fuel in blast-feed stokers.
CA253826A Automatic stoker
CA253827A Mechanical stoker
CA414387A Locomotive stoker