| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 22 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Tools for connecting or disengaging | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Sawing | |
| #5 | Making screws | |
| #6 | Turning | |
| #7 | Vehicles drawn by animals | |
| #8 | Handles for hand implements | |
| #9 | Making metal chains | |
| #10 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Whitfield Arthur J | 5 |
| #2 | Kenerson Joseph E | 5 |
| #3 | Childs Eugene | 5 |
| #4 | Vinton John H | 4 |
| #5 | Parker Burton H | 2 |
| #6 | Demers Joseph J | 2 |
| #7 | Whitefield Arthur J | 1 |
| #8 | Whitfield Arthur James | 1 |
| #9 | Sands Fred E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1613229A | Wrench | |
| US1681807A | Pipe cutter and cutting wheel therefor | |
| US1624252A | Pipe vise | |
| US1604100A | Pipe vise and graduated clamping jaws therefor | |
| US1570586A | Wrench | |
| US1483497A | Wrench | |
| US1453854A | Pipe wrench | |
| US1442548A | Wrench | |
| US1430955A | Wrench | |
| US1258628A | Wrench. | |
| US1187690A | Wrench. | |
| US1064036A | Chain wrench. | |
| US1012037A | Wrench. | |
| US1012304A | Quick-adjustable pipe-cutter. | |
| US1020730A | Shaft-retaining means. | |
| US1012036A | Wrench. | |
| US919823A | Machine for drilling stock. | |
| US788516A | Nurling-machine. | |
| US893226A | Machine for uniting chain-links. | |
| US689325A | Pipe-wrench. |