| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 3 | |
| #4 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Organic fine chemistry | |
| #2 | Basic materials chemistry | |
| #3 | Materials and metallurgy | |
| #4 | Machines | |
| #5 | Chemical engineering | |
| #6 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Happel John | 7 |
| #2 | Kramer Leonard | 5 |
| #3 | Blanck Joachim Hillard | 1 |
| #4 | Koehler George R | 1 |
| #5 | John Happel | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3589698A | Direct gaseous reduction of iron oxide | |
| US3507929A | Decoking process for a pyrolysis reactor | |
| GB1097555A | Pyrolysis of hydrocarbons | |
| GB1064447A | Producing acetylene by pyrolysis | |
| GB1007423A | Pyrolysis of hydrocarbons | |
| CA835434A | Pyrolysis of hydrocarbons | |
| CA807206A | Pyrolysis of methane-hydrogen mixtures |