| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Machine tools | |
| #4 | Packaging and shipping | |
| #5 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thompson Arthur H | 14 |
| #2 | Thompson Arthur Hugo | 1 |
| #3 | Komarek George C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2817861A | Automatic nut tapping machine | |
| US2689667A | Machine for orienting and dispensing stamped metal lock nut blanks | |
| GB670947A | Lock washer | |
| US2486723A | Floor clip | |
| US2518399A | Lock washer | |
| US2347853A | Manufacture of self-locking nuts | |
| US2347852A | Self-locking nut | |
| US2294059A | Self-locking nut | |
| US2294058A | Method of making lock nuts | |
| US2294056A | Lock nut | |
| US2294055A | Nutlike locking element | |
| US2270092A | Wrench for lock nuts | |
| US2335367A | Locking plate for screws | |
| US2267436A | Nut-type locking element for screws | |
| US2294054A | Nutlike locking element | |
| US1775705A | Lock washer |