| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 11 | |
| #2 | United States | 10 | |
| #3 | United Kingdom | 1 |
| # | Technology | |
|---|---|---|
| #1 | Railway bodies | |
| #2 | Unspecified technologies | |
| #3 | Railway brakes | |
| #4 | Locomotives |
| # | Name | Total Patents |
|---|---|---|
| #1 | Meissner Otto William | 22 |
| Publication | Filing date | Title |
|---|---|---|
| CA173975A | Track sander | |
| US1202871A | Track-sander. | |
| CA142908A | Door | |
| US1014768A | Door. | |
| US1044681A | Dump-car. | |
| US1035801A | Trap-door-operating mechanism. | |
| CA122155A | Trap door mechanism | |
| US1043953A | Door. | |
| CA132729A | Dump car | |
| US1022748A | Dump-car. | |
| CA112644A | Valve | |
| US903301A | Shaft-rotating means. | |
| CA112986A | Shaft rotating means | |
| CA110670A | Trap door | |
| CA113260A | Trap door | |
| US1023951A | Trap-door. | |
| US1022747A | Trap-door. | |
| CA105956A | Shaft rotating means | |
| US859503A | Shaft-rotating means. | |
| CA102341A | Dump car |