| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 3 | |
| #4 | Austria | 2 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Cyclically operating valves | |
| #2 | Venting or aerating devices | |
| #3 | Unspecified technologies | |
| #4 | Dentistry |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hardie Robert | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US1102741A | Dental articulator. | |
| CA70903A | Valve | |
| CA67167A | Cut-off valve gear | |
| GB190005028A | Improvements in Pressure Reducing Valves. | |
| GB190005025A | Improvements in Actuating Arrangements for Expansion Valves. | |
| US646429A | Cut-off-valve gear. | |
| US646428A | Pressure-reducing valve. | |
| CA55806A | Charging station for air storage motor cars | |
| CA54106A | Fluid-pressure regulator | |
| GB189613851A | Improvements in Tramway Locomotives. | |
| CA52760A | Tramway locomotive |