| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 21 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Machine tools | |
| #4 | Machines | |
| #5 | Mechanical elements | |
| #6 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Unspecified technologies | |
| #3 | Punching metal | |
| #4 | Vehicle wheels | |
| #5 | Guiding railway traffic | |
| #6 | Railway bodies | |
| #7 | Unspecified technologies | |
| #8 | Turning | |
| #9 | Compressed gas holders | |
| #10 | Horticulture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Psilander Charles A | 8 |
| #2 | Victor Angerer | 3 |
| #3 | Minor John C | 2 |
| #4 | Hulbert William G | 2 |
| #5 | Gulick Charles L | 2 |
| #6 | Hanks George R | 1 |
| #7 | Heyl Herman F | 1 |
| #8 | Henderson William M | 1 |
| #9 | Carlson Gunard O | 1 |
| #10 | Sturcke Herman E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1878984A | Track structure | |
| US1908164A | Method of supplying carbon dioxide for aiding the growth of plants | |
| US1868435A | Compensating center | |
| US1903630A | Manufacture of gas cylinders | |
| US1591706A | Crossing intersection | |
| US1629372A | Track structure | |
| US1585495A | Insulated gauge rod | |
| US1598240A | Method of forming cylindrical containers | |
| US1692521A | Manufacture of containers for compressed gases | |
| US1461701A | Frog or crossing structure | |
| US1466631A | Tongue switch | |
| US1466630A | Track structure | |
| US1466461A | Switch tongue | |
| US1489764A | Gas cyliner | |
| US1491764A | Gas cylinder | |
| US1428514A | Railroad crossing | |
| US1411869A | Switch mechanism | |
| US1409775A | Universal spring box | |
| US1414708A | Self-adjusting guard-rail clamp | |
| US1418971A | Traction wheel |