| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | United Kingdom | 4 | |
| #3 | Spain | 2 | |
| #4 | Canada | 1 | |
| #5 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Measuring electric variables | |
| #2 | Separation | |
| #3 | Measuring temperature | |
| #4 | Analysing materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jandus William | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US969106A | Thermometer. | |
| US1005550A | Hygrometer. | |
| US1107670A | Electrometric appliance. | |
| US992427A | Means for converting electrical energy into mechanical movement. | |
| GB190012252A | Improvements in Filters and Fittings for the same. | |
| GB190012251A | Improvements in Filters. | |
| US652966A | Filter. | |
| US661373A | Filter. | |
| GB189512042A | Improvements in Globes for Arc Lights, or other Lights of Great Intensity. | |
| GB189508994A | Improvements in and connected with Arc Lamps. | |
| CA50336A | Arc lamp |