| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Electrical machinery and energy | |
| #3 | Telecommunications | |
| #4 | Optics | |
| #5 | Control | |
| #6 | Engines, pumps and turbines | |
| #7 | Textiles and paper | |
| #8 | Machines |
| # | Technology | |
|---|---|---|
| #1 | X-ray technique | |
| #2 | Electrotherapy | |
| #3 | Spinning | |
| #4 | X-ray microscopes | |
| #5 | Transmission | |
| #6 | Cameras | |
| #7 | Magnets and transformers | |
| #8 | Systems for regulating electrical variables | |
| #9 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kurt Bischoff | 7 |
| #2 | Carl Niemann | 6 |
| #3 | Karl Silbermann | 3 |
| #4 | Johannes Patzold | 1 |
| #5 | Hans Wunsch | 1 |
| #6 | Bernhard Woernle | 1 |
| #7 | Paul Betz | 1 |
| #8 | Heinrich Franke | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2234339A | Identification device | |
| US2264051A | Apparatus and circuit arrangement for controlling x-ray tubes | |
| US2275308A | Control apparatus for alternating current devices | |
| US2240478A | X-ray apparatus | |
| US2244137A | Protective switching means for roentigen apparatus | |
| US2215744A | Roentgen apparatus | |
| US2279581A | Electric coil | |
| US2217939A | X-ray apparatus | |
| US2123793A | Rontgen apparatus | |
| US2116637A | Secondary x-ray diaphragm and method of manufacturing the same | |
| US2147424A | Roentgen tube control |