| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Packaging and shipping | |
| #3 | Agriculture | |
| #4 | Consumer goods | |
| #5 | Machine tools | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Containers for goods storage | |
| #3 | Animal care | |
| #4 | Hand carried bags | |
| #5 | Workshop equipment | |
| #6 | Unspecified technologies | |
| #7 | Locks | |
| #8 | Bolts for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Piker Herbert M | 11 |
| #2 | Schultz William L | 4 |
| #3 | Piker Louis M | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2781937A | Insulated container | |
| US2689427A | Minnow bucket | |
| US2693661A | Minnow bucket | |
| US2717469A | Float for minnow bucket | |
| US2679947A | Cover or lid latch | |
| US2656206A | Spring lock | |
| US2578089A | Carrying means | |
| US2596043A | Metal box | |
| US2374037A | Metal carrying case | |
| US2314799A | Carrying means | |
| US2349751A | Lunch box | |
| US2209091A | Utility chest | |
| US2155871A | Metal receptacle |