| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Brazil | 1 | |
| #3 | Germany | 1 | |
| #4 | Israel | 1 | |
| #5 | India | 1 | |
| #6 | Japan | 1 | |
| #7 | Netherlands | 1 | |
| #8 | Norway | 1 | |
| #9 | New Zealand | 1 | |
| #10 | Sweden | 1 | |
| #11 | Turkey | 1 | |
| #12 | United States | 1 | |
| #13 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Metallic material removal | |
| #2 | Coating compositions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hengelhaupt E | 7 |
| #2 | Peier L | 7 |
| #3 | Peier Lothar | 2 |
| #4 | Hengelhaupt Erich Dr | 1 |
| #5 | Hengelhaupt Erich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2555597A1 | RUST CONVERSION AND PROTECTIVE AGENTS |