| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 3 | |
| #3 | France | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Electrical machinery and energy | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Electrotherapy | |
| #2 | Electric discharge tubes | |
| #3 | Special light sources | |
| #4 | Treatment of glass | |
| #5 | Lighting device details |
| # | Name | Total Patents |
|---|---|---|
| #1 | Knapp Kenneth V | 3 |
| #2 | Robinson Frederic W | 3 |
| #3 | Henry Miller | 1 |
| #4 | Bird Lester Fletcher | 1 |
| #5 | Conrad Heintze | 1 |
| #6 | Power Henry D Arcy | 1 |
| #7 | Anderson Jr William T | 1 |
| #8 | Lemann William J | 1 |
| #9 | Fischer Robert A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB426743A | Improvements in or relating to therapeutic lamps | |
| US1704516A | Therapeutic lamp | |
| US1669468A | Medical electrical apparatus | |
| US1608612A | Process of sealing molybdenum or similar refractory metals and fused quartz | |
| US1607162A | Electrical control | |
| US1568345A | Therapeutical lamp | |
| US1539804A | Adjustable lamp stand | |
| CA214673A | Quartz lens | |
| CA342458A | Therapeutic lamp | |
| CA316331A | Vapour electric device |