| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Israel | 1 | |
| #8 | Mexico | 1 | |
| #9 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Materials for miscellaneous applications | |
| #2 | Building materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Enderle Ralph | 9 |
| #2 | Ralph Enderle | 1 |
| #3 | Schwamm Natalia | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2017226410A1 | Proppant Material Incorporating Fly Ash and Method of Manufacture | |
| US2015057198A1 | Proppant material incorporating fly ash and method of manufacture |