| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Swimming pools | |
| #2 | Punching metal | |
| #3 | Platform constructions | |
| #4 | Structural elements | |
| #5 | Rolling metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Carrel Frank G | 4 |
| #2 | Knopke Raymond C | 1 |
| #3 | Hook Arthur S | 1 |
| #4 | Percy Evans | 1 |
| #5 | Young Harry M | 1 |
| #6 | Hook Lee H | 1 |
| #7 | Porter Sidney S | 1 |
| #8 | O'Brien Chester J | 1 |
| #9 | Edward Johnson | 1 |
| #10 | Gillespie Alexander W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1915535A | Fence post | |
| US1883816A | Collapsible structural unit | |
| US1916463A | Fence post puller | |
| US1924834A | Fence construction | |
| US1805312A | Repeater | |
| US1701250A | Clip-bending die | |
| US1639638A | Fencepost | |
| US1524018A | Fencepost | |
| US1524017A | Fencepost | |
| US1510686A | Fence-wire fastener | |
| US1124221A | Method of and apparatus for forming metal tubes. | |
| US1148121A | Bar-twisting machine. |