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SELAS CORP OF AMERICA

Overview
  • Total Patents
    500
About

SELAS CORP OF AMERICA has a total of 500 patent applications. Its first patent ever was published in 1940. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets thermal processes, materials and metallurgy and machines are SURFACE COMB COMPANY INC, SURFACE COMBUSTION CORP and BEST WILLIAM N.

Patent filings in countries

World map showing SELAS CORP OF AMERICAs patent filings in countries

Patent filings per year

Chart showing SELAS CORP OF AMERICAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hess Frederic O 84
#2 Emil Blaha 25
#3 Van Eerden John J 21
#4 Gensler Wayne C 17
#5 Roger Williams John 15
#6 Gottschlich Chad F 15
#7 Blaha Emil 14
#8 Siemssen Ernst A 10
#9 Furczyk Alfons A 9
#10 Bloom Quentin M 9

Latest patents

Publication Filing date Title
US5944503A Low NOx floor burner, and heating method
US5697776A Vortex burner
US5857419A Converging burner tip
US5709541A Method and apparatus for reducing NOx emissions in a gas burner
CA2099894A1 Apparatus and method for mixing gases
US5271729A Inspirated staged combustion burner
US5230857A Strip elongation control in continuous annealing furnaces
US5131838A Staged superposition burner
US5174835A Method of strip elongation control in continuous annealing furnaces
US5044931A Low NOx burner
US4874310A Low NOX burner
US4487573A Burner
US4430057A Calciner screw construction
US4447690A Inductive preheating of upset tubing
US4449918A Apparatus for regulating furnace combustion
US4416620A Larger capacity Vortex burner
US4379689A Dual fuel burner
AU6663481A Gas burner
US4315486A Floating radiant tube sheets for vertical tube reformers and the like
US4237801A Furnace lining or burner cup element