| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Austria | 3 | |
| #3 | Denmark | 2 | |
| #4 | Canada | 1 | |
| #5 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Mountings for cannons and pistols | |
| #2 | Targets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Maxim Hiram Percy | 5 |
| #2 | Maxim Percy | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA123829A | Sand box for rifle target practice | |
| US941642A | Sand-box for rifle practice. | |
| US958935A | Silent firearm. | |
| US958934A | Silent firearm. | |
| US916885A | Silent firearm. | |
| US1018720A | Silencing device for firearms. |