| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 9 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | Belgium | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Chemical engineering | |
| #3 | Thermal processes | |
| #4 | Environmental technology | |
| #5 | Packaging and shipping | |
| #6 | Machines | |
| #7 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Liquid hydrocarbon mixture production | |
| #2 | Separation | |
| #3 | Details of furnaces | |
| #4 | Combustion residues removal | |
| #5 | Working-up pitch | |
| #6 | Steam generation | |
| #7 | Supplying fuel to combustion device | |
| #8 | Explosive charges | |
| #9 | Transferring liquids | |
| #10 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Adolphe Schaeffer Jean | 2 |
| #2 | George Pfersch | 2 |
| #3 | Schaeffer Jean-Adolphe | 1 |
| #4 | Schaeffer Jean Adolphe | 1 |
| #5 | Garand Albert | 1 |
| #6 | K Nivinen Didier | 1 |
| #7 | Schaeffer Adolphe | 1 |
| #8 | Pfersch Georges | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2792062A1 | Arrangement for the dissipation of smoke around a chimney and fireplace equipped with such an arrangement | |
| US1908923A | Apparatus for treating liquids | |
| US1908924A | Process for treating hydrocarbon oils | |
| GB377480A | Improvements in and relating to the purification of hydrocarbons | |
| GB384269A | Process for the coagulation and precipitation of products such as asphaltic materials, resins and paraffins, with particular application of the said process to the elimination of asphalt from mixtures of hydrocarbons | |
| GB346415A | Improvements in or relating to the refining of tars |