| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | United Kingdom | 2 | |
| #3 | United States | 2 | |
| #4 | Belgium | 1 | |
| #5 | Germany | 1 | |
| #6 | Spain | 1 | |
| #7 | France | 1 | |
| #8 | Italy | 1 | |
| #9 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Surface technology and coating | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Soaps | |
| #2 | Metallic material cleaning | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roehl Ernest O | 4 |
| #2 | Roehl Ernest Otho | 3 |
| #3 | Roehl E O | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1177730A | Method of vapor degreasing | |
| US4341567A | Method of vapor degreasing | |
| US4289542A | Method of vapor degreasing |