KOERTING & MATHIESEN AKTIENGES has a total of 17 patent applications. Its first patent ever was published in 1902. It filed its patents most often in Switzerland and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, measurement and optics are GOSSEN & CO GMBH P, ERNST U WILHELM BERTRAM FABRIK and JULES CARPENTIER.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 16 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Measurement | |
| #3 | Optics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mathiesen Aktiengesellschaft K | 16 |
| Publication | Filing date | Title |
|---|---|---|
| GB191106783A | Improvements in Alternating Current Arc Lamps. |