| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Australia | 5 | |
| #3 | EPO (European Patent Office) | 5 | |
| #4 | WIPO (World Intellectual Property Organization) | 5 | |
| #5 | Canada | 4 | |
| #6 | China | 3 | |
| #7 | Malaysia | 3 | |
| #8 | Brazil | 2 | |
| #9 | India | 2 | |
| #10 | South Africa | 2 | |
| #11 | Cuba | 1 | |
| #12 | EAPO (Eurasian Patent Organization) | 1 | |
| #13 | Mexico | 1 | |
| #14 | New Zealand | 1 | |
| #15 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology | |
| #3 | Chemical engineering | |
| #4 | Semiconductors | |
| #5 | Surface technology and coating |
| # | Name | Total Patents |
|---|---|---|
| #1 | Drinkard William F Jr | 27 |
| #2 | Woerner Hans J | 21 |
| #3 | Drinkard Jr William F | 10 |
| #4 | Drinkard William F | 4 |
| #5 | Goozner Robert E | 3 |
| #6 | Long Mark O | 3 |
| #7 | Drincard William F Jr | 1 |
| #8 | William F Drinkard Jr | 1 |
| #9 | Drinkard W F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2008137025A1 | Nickel-laterite process | |
| WO2008137022A1 | Method of recovering metal values from ores | |
| US6264909B1 | Nitric acid production and recycle | |
| US5779877A | Recycling of CIS photovoltaic waste | |
| US5897685A | Recycling of CdTe photovoltaic waste | |
| US5980842A | Separation of calcium from metal compounds | |
| CN1207717A | Nitric acid production and recycle | |
| ZA9608753B | Metallurgical dust recycle process | |
| US5912402A | Metallurgical dust recycle process |