| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Switzerland | 3 | |
| #3 | Germany | 3 | |
| #4 | Belgium | 2 | |
| #5 | Canada | 2 | |
| #6 | Spain | 2 | |
| #7 | France | 2 | |
| #8 | Italy | 2 | |
| #9 | Japan | 2 | |
| #10 | Netherlands | 2 | |
| #11 | Sweden | 2 | |
| #12 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Environmental technology | |
| #3 | Engines, pumps and turbines | |
| #4 | Machines | |
| #5 | Materials and metallurgy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cretella Salvatore J | 11 |
| #2 | Bernardo Matthew | 11 |
| #3 | Demusis Ralph T | 6 |
| #4 | Demusis Ralph Thomas | 4 |
| #5 | Cretella Salvatore Joseph | 4 |
| #6 | De Musis Ralph T | 2 |
| #7 | Machiyuu Baanaado | 2 |
| #8 | Sarubatooru Jiyojifu Kureteera | 2 |
| #9 | Rarufu Toomasu Demushisu | 1 |
| #10 | Bernardo Mathew | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1119896A | Method of restoring the shrouds of turbine blades | |
| US4050133A | Method of refurbishing turbine vanes and the like | |
| US4065879A | Turbine vane air-foil surface grinder | |
| US4016683A | Turbine blade edge grinder | |
| US4028787A | Refurbished turbine vanes and method of refurbishment thereof |