| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Audio-visual technology | |
| #3 | Digital networks | |
| #4 | Medical technology | |
| #5 | Packaging and shipping | |
| #6 | Machines | |
| #7 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gernsback Hugo | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US1209425A | Postal card. | |
| US1124413A | Transmitter. | |
| US1057820A | Luminous electric mirror. | |
| US1033095A | Rotary variable condenser. | |
| US1016138A | Combined electric hair brush and comb. | |
| US988456A | Potentiometer. | |
| US978999A | Relay. | |
| US988767A | Electrolytic interrupter. | |
| US961855A | Detectorium. | |
| US951788A | Electro-adjustable condenser. | |
| US948275A | Electrorheostat-regulator. |