Group 1770 - Chemical Apparatus, Separation and Purification
| Art Unit | Examiners Evaluated | Applications Evaluated | Grants Observed |
|---|---|---|---|
| 1771 | 27 | 14,341 | 8,861 |
| 1772 | 48 | 11,345 | 7,655 |
| 1773 | 56 | 9,737 | 5,892 |
| 1774 | 37 | 13,839 | 9,517 |
| 1775 | 25 | 2,803 | 1,390 |
| 1776 | 48 | 14,054 | 9,933 |
| 1777 | 32 | 11,137 | 6,542 |
| 1778 | 27 | 10,236 | 7,155 |
| 1779 | 42 | 5,914 | 3,164 |