| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 7 | |
| #2 | Canada | 5 | |
| #3 | United Kingdom | 2 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Packaging and shipping | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Containers for goods storage | |
| #2 | Venting or aerating devices | |
| #3 | Superheating of steam | |
| #4 | Belts or cables for driving |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gray Tom Frederick | 8 |
| #2 | Tom Frederick Gray | 7 |
| #3 | Valves Limited Victory | 3 |
| #4 | Edgar Andrew Bolton | 2 |
| #5 | Gray Kenneth Victor | 1 |
| #6 | Kenneth Victor Gray | 1 |
| #7 | Jupe Edwin John | 1 |
| #8 | Cruse Henry | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB127160A | Improvements relating to Machine Belt Fasteners. | |
| GB108984A | Improvements in Steam Superheaters. | |
| CA267236A | Valve | |
| CA242732A | Valve | |
| CA236974A | Valve | |
| CA283482A | Valve | |
| CA299206A | Steam superheater |