| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Animal catching | |
| #2 | Unspecified technologies | |
| #3 | Office furniture | |
| #4 | Belts or cables for driving |
| # | Name | Total Patents |
|---|---|---|
| #1 | John Kleffman | 12 |
| #2 | Kleffman Ray C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2110333A | Chain snare lock | |
| US1987831A | Trap | |
| US1951295A | Trap | |
| US1951296A | Choker trap | |
| US1861479A | Animal trap | |
| US1718908A | Snare | |
| US1798541A | Trap | |
| US1731381A | Snare | |
| US1802918A | Snare | |
| US1738907A | Snare | |
| US1733461A | Snare | |
| US1615586A | Snare | |
| US1459404A | Supporting device |