| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 32 | |
| #2 | United States | 29 | |
| #3 | United Kingdom | 11 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Unspecified technologies | |
| #3 | Clutches and brakes | |
| #4 | Structural elements | |
| #5 | Power supply for electric vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wolhaupter Benjamin | 72 |
| #2 | Braine Bancroft G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA188430A | Rail anchor | |
| CA189842A | Rail anchor | |
| US1295663A | Holding means for rail-anchors. | |
| US1292555A | Rail-anchor. | |
| US1279817A | Reinforced rail-anchor. | |
| US1292554A | Rail-anchor. | |
| CA177730A | Rail anchor | |
| CA178128A | Rail joint | |
| CA172902A | Insulated rail joint | |
| US1185271A | Rail-anchor. | |
| CA170507A | Rail joint bar | |
| CA166016A | Rail fastener | |
| CA155656A | Anti-creeper | |
| CA155173A | Rail joint bar | |
| CA143808A | Insulated rail joint | |
| CA143807A | Insulated rail joint | |
| CA137271A | Rail joint | |
| US1115641A | Metallic railway-tie and fastening. | |
| US1139391A | Anticreeper. | |
| US1081647A | Expanded-metal reinforcing structure and method of producing same. |