| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Electrical machinery and energy | |
| #3 | Measurement | |
| #4 | Environmental technology | |
| #5 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Guiding railway traffic | |
| #2 | Batteries | |
| #3 | Climate change mitigation in wastewater treatment | |
| #4 | Games | |
| #5 | Measuring distances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Taylor Herbert B | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2049181A | Card game board | |
| CA184751A | Train control mechanism | |
| CA184750A | Contact shoe | |
| US1205811A | Computing-toll-rate map. | |
| US762009A | Automatic block-signaling system. | |
| US713174A | Voltaic cell. | |
| US739518A | Railway block-signaling system. | |
| US682768A | Signaling apparatus. | |
| US684881A | Railway-signal. | |
| US646714A | Railway-signal. | |
| US638606A | Electric signaling apparatus. |