APPENZELLER HEINRICH has a total of 11 patent applications. Its first patent ever was published in 1910. It filed its patents most often in Switzerland and United Kingdom. Its main competitors in its focus markets electrical machinery and energy are NICHIRIN CHEMICAL IND, SAJI SEISAKUSHO KK and WENZHOU KEQI BIWEI AUTOMATION EQUIPMENT CO LTD.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 10 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Electrically-conductive connections |
| # | Name | Total Patents |
|---|---|---|
| #1 | Appenzeller Heinrich | 11 |
| #2 | Wanner-Jundt F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191204303A | Electric Couplings. |