| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Machines | |
| #3 | Electrical machinery and energy | |
| #4 | Audio-visual technology | |
| #5 | Basic communication technologies | |
| #6 | Semiconductors |
| # | Technology | |
|---|---|---|
| #1 | Optical systems | |
| #2 | Unspecified technologies | |
| #3 | Nonlinear optics | |
| #4 | Pulse technique | |
| #5 | Lighting device details | |
| #6 | Semiconductor devices | |
| #7 | Advertising |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gourlay James | 13 |
| #2 | Johnstone George Kirkpatrick | 1 |
| #3 | Jackson Colin Macray | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2011317417A1 | Light guides | |
| GB191308321A | A Steam Distributing Valve for Direct-acting Steam Pumps. | |
| CA34621A | Mud and sediment collectro for steam boilers |