| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Basic communication technologies | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Guiding railway traffic | |
| #2 | Vehicle brake control systems | |
| #3 | Pulse technique | |
| #4 | Railway equipment | |
| #5 | Street cleaning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Webb Jr Jean Francis | 5 |
| #2 | Webb Jean F Jr | 4 |
| #3 | Webb Jr Jean F | 2 |
| #4 | Webb Jean Francis Jr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1602513A | Train-stopping system | |
| US1568646A | Forestalling apparatus | |
| US1548694A | Attachment for snowplows | |
| US1492615A | Pressure speed-control train-stopping apparatus | |
| US1463105A | Plunger shoe | |
| US1487991A | Valve mechanism for train-stopping apparatus | |
| US1516899A | Train-stopping mechanism | |
| CA254826A | Attachment for snow ploughs | |
| CA275486A | Train stopping apparatus | |
| CA209104A | Speed control mechanism | |
| CA236768A | Valve mechanism for train stopping apparatus | |
| CA275487A | Train forestalling apparatus |