| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 22 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Telecommunications | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Railway equipment | |
| #2 | Guiding railway traffic | |
| #3 | Unspecified technologies | |
| #4 | Nails | |
| #5 | Antennas |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hayes Stanley W | 27 |
| #2 | Lutz Theodore E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1464607A | Derail | |
| US1464606A | Derail | |
| US1406557A | Operating stand for track appliances | |
| US1235972A | Derail. | |
| US1235971A | Derail. | |
| US1185663A | Derail. | |
| US1176289A | Derail. | |
| US1185662A | Target-stand. | |
| US985673A | Connection adjustment. | |
| US988190A | Derail. | |
| US1183007A | Switch-stand. | |
| US988189A | Portable derail. | |
| US985672A | Safety connecting-rod. | |
| US1007102A | Derail. | |
| US1156997A | Connection adjustment. | |
| US875996A | Portable derailer. | |
| US843455A | Derailer. | |
| US795798A | Derailer. | |
| US795799A | Derailer. | |
| US837930A | Operating mechanism for derailers, &c. |