| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 17 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Thermal processes | |
| #3 | Surface technology and coating | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Metal tempering | |
| #2 | Fluid fuel combustion | |
| #3 | Burners | |
| #4 | Heat-exchanger without contact | |
| #5 | Coating metallic material | |
| #6 | Controlling combustion | |
| #7 | Punching metal | |
| #8 | Metal enamelling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Woodson James C | 14 |
| #2 | Lee Wilson | 2 |
| #3 | Floyd Olmstead | 1 |
| #4 | Schlitt Floyd F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2317009A | Apparatus for subjecting cylindrical members to heat treatment | |
| US2249411A | Annealing furnace | |
| US2250680A | Combustion tube burner | |
| US2200732A | Apparatus for annealing strip | |
| US2193362A | Radiant tube furnace | |
| US2200731A | Heating apparatus | |
| US2201386A | Apparatus for heating | |
| US2201385A | Fuel supply and ignition system | |
| US2171777A | Annealing furnace | |
| US2174052A | Heating apparatus | |
| US2169314A | Method and apparatus for annealing strip | |
| US2137870A | Heating apparatus | |
| US2125661A | Annealing furnace | |
| US2171776A | Annealing furnace | |
| US2146875A | Apparatus for straightening | |
| US2137869A | Coil annealing furnace | |
| US2137040A | Enameling furnace |