| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 36 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Electrical machinery and energy | |
| #3 | Machines | |
| #4 | Machine tools | |
| #5 | Civil engineering | |
| #6 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vogel Eugene W | 15 |
| #2 | Vaughan Henry H | 4 |
| #3 | Bell Edwin H | 3 |
| #4 | Jones Willis S | 2 |
| #5 | Brach Leon S | 1 |
| #6 | Lollis Benjamin F | 1 |
| #7 | Arvid Rhodes | 1 |
| #8 | Fox Morris J | 1 |
| #9 | Smith Adolph H | 1 |
| #10 | Gower William A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1839875A | Cushioning means | |
| US1796917A | Signal lamp | |
| US1690503A | Shearing machine | |
| US1761203A | Junction box | |
| US1800200A | Interlocking relay | |
| US1734594A | Auxiliary base for signal and cable posts | |
| US1606736A | Shipping means | |
| US1439905A | Interlocking relay | |
| US1229345A | Directional trolley-contactor. | |
| US1091548A | Electromagnetic bell. | |
| US991912A | Lightning-arrester. | |
| US1171991A | Locking system for railway-switches. | |
| US879238A | Process of manufacturing tie-plates. | |
| US873707A | Tie-plate. | |
| US846281A | Tie-plate. | |
| US824678A | Tie-plate. | |
| US902026A | Rail-bond. | |
| US961475A | Bonding-pin. | |
| US822168A | Channel-pin. | |
| US821343A | Tie-plate. |