| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | Switzerland | 5 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Measurement | |
| #3 | Telecommunications | |
| #4 | Optics | |
| #5 | Control | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Measuring electric variables | |
| #3 | Systems for regulating electrical variables | |
| #4 | Shafts | |
| #5 | Resistors | |
| #6 | Special measuring | |
| #7 | Magnets and transformers | |
| #8 | Waveguides | |
| #9 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Trueb Taeuber Co A G | 5 |
| #2 | Primas Hans | 4 |
| #3 | Dueker Dr Heinrich | 2 |
| #4 | Induni Dipl-Ing Giovanni | 1 |
| #5 | Guenthard Dr Hans Heinrich | 1 |
| #6 | Guenthart Dr Hans H | 1 |
| #7 | Wegmann Dipl-Phys Dr Phil Lien | 1 |
| #8 | Guenthard Dr Hs H | 1 |
| #9 | Wegmann Dr Leinhard | 1 |
| #10 | Dipl De Quervain Alfred Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1215273B | Device for measuring exposure in vacuum kinematography in an electron microscope | |
| DE1188742B | Electrostatic immersion objective for an emission microscope | |
| GB855996A | Double-focussing spectrometer | |
| DE1116812B | Device for generating a static, homogeneous magnetic field |