| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United Kingdom | 4 | |
| #3 | Austria | 2 | |
| #4 | United States | 2 | |
| #5 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Optics | |
| #3 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Electric switches | |
| #3 | Semiconductor light sources | |
| #4 | Advertising |
| # | Name | Total Patents |
|---|---|---|
| #1 | Klaiber Maximilian | 14 |
| #2 | Mccoll Irving G | 1 |
| #3 | Wilks Herbert J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA187380A | Stereopticon apparatus | |
| US1252811A | Temperature-annunciator. | |
| GB191015550A | Improvements in and relating to Kinematographs. | |
| CA137322A | Camera, etc. | |
| GB191006499A | Improvements in Advertising Apparatus. | |
| CA126632A | Advertising apparatus | |
| GB191001703A | Improvements in and relating to Picture Projecting Apparatus. | |
| CA128861A | Dissolving picture projecting apparatus | |
| GB190703993A | Improvements in Couplings for Pipes and Tubes. | |
| CA104609A | Coupling for pipes | |
| US744565A | Storage flash-lamp. |