| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 9 | |
| #2 | Denmark | 6 | |
| #3 | Spain | 3 | |
| #4 | Canada | 2 | |
| #5 | Switzerland | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Coating metallic material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gravell James Harvey | 18 |
| #2 | James Harvey Gravell | 1 |
| #3 | Douty Alfred | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES139276A1 | A process for treating metal surfaces, especially for preparing them to receive lacquer, paint and the like. | |
| ES140741A1 | A procedure with its inherent devices to maintain, with optimal performance, cleaning liquors. | |
| ES136503A1 | A procedure for coating metals. | |
| GB119618A | Improvements in or relating to Cleaning Metals. | |
| CA302397A | Method of selectively controlling metal pickling baths | |
| CA234749A | Barrel |