| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Thermal processes | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Furnaces | |
| #2 | Producer gas production | |
| #3 | Ammonia or cyanogen | |
| #4 | Gas, coke and tar production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Duckham Arthur Mcdougall | 1 |
| #2 | Kent Arthur Thomas | 1 |
| #3 | Duckham Arthur Mcdougal | 1 |
| #4 | Duckham Arthur Mc Dougall | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GR20000100042A | Painting of metals and other meterials that can withstand temperatures above 130 degrees celsius with an electrostatic paint powder for the reproduction of natural grain and knots of any wood in a smooth or relief form onto these surfaces | |
| DE402266C | Process for binding nitrogen by means of carbon and barium oxide | |
| DE415576C | Process for gas extraction | |
| DE416374C | Tunnel furnace |