Learn more

SMITH ELMER H

Overview
  • Total Patents
    31
About

SMITH ELMER H has a total of 31 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States and Canada. Its main competitors in its focus markets thermal processes, machines and basic materials chemistry are SMITH WELDING EQUIPMENT CORP, TAKAYASU SANGYO KK and CONFIGURED TUBE PRODUCTS CO.

Patent filings in countries

World map showing SMITH ELMER Hs patent filings in countries
# Country Total Patents
#1 United States 22
#2 Canada 9

Patent filings per year

Chart showing SMITH ELMER Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith Elmer H 31
#2 Smith John W 3
#3 Gannett Homer E 1

Latest patents

Publication Filing date Title
US2387360A Closure for pressure vessels
US1709886A Cutting torch
US1675668A Torch tip
US1703180A Fluid-control valve
US1644157A Method of making torch tips
US1651232A Process of making torch tips
US1634274A Process of making oxyfuel torch tips
US1646602A Oxy-fuel gas tip and process of making
US1546038A Preheating torch and method of operating the same
US1539606A Carbide-feeding means
US1736673A Acetylene-gas generator
US1709885A Controlling means for carbide feeders
US1478405A Carbide-feeding apparatus
US1521335A Preheating torch
US1480310A Cutting torch tip
US1452258A Welding-torch tip
CA187315A Acetylene torch
US1280884A Acetylene welding-torch.
CA169500A Acetylene blow pipe
CA169502A Acetylene generator