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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 324 | |
#2 | Canada | 40 | |
#3 | United Kingdom | 33 | |
#4 | Germany | 30 | |
#5 | France | 23 | |
#6 | EPO (European Patent Office) | 10 | |
#7 | Australia | 7 | |
#8 | Belgium | 6 | |
#9 | Italy | 6 | |
#10 | Spain | 5 | |
#11 | Japan | 4 | |
#12 | Netherlands | 3 | |
#13 | Norway | 3 | |
#14 | South Africa | 3 | |
#15 | Sweden | 2 | |
#16 | New Zealand | 1 |
# | Industry | |
---|---|---|
#1 | Thermal processes | |
#2 | Materials and metallurgy | |
#3 | Machines | |
#4 | Chemical engineering | |
#5 | Basic materials chemistry |
# | Technology | |
---|---|---|
#1 | Burners | |
#2 | Metal tempering | |
#3 | Furnaces | |
#4 | Liquid hydrocarbon mixture production | |
#5 | Manufacturing processes | |
#6 | Fluid fuel combustion | |
#7 | Separation | |
#8 | Chemical or physical processes | |
#9 | Unspecified technologies | |
#10 | Details of furnaces |
# | 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 |
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 |