| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 10 | |
| #2 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Civil engineering | |
| #3 | Medical technology | |
| #4 | Machines | |
| #5 | Packaging and shipping | |
| #6 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Percussive tools | |
| #3 | Syringes | |
| #4 | Making forged metal products | |
| #5 | Forging | |
| #6 | Machines | |
| #7 | Unspecified technologies | |
| #8 | Containers for goods storage | |
| #9 | Accessories for machine tools | |
| #10 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leyner John George | 10 |
| #2 | Leyner Charles P | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US939520A | Syringe or the like. | |
| US937311A | Vaginal syringe. |