HANDEL ERWIN has a total of 11 patent applications. Its first patent ever was published in 1968. It filed its patents most often in Germany, Austria and Switzerland. Its main competitors in its focus markets civil engineering are WU TENGQING, SUGITA ACE CO LTD and WINDOOR AB.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | Austria | 1 | |
| #3 | Switzerland | 1 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Hinges for doors or windows | |
| #2 | Wing fittings | |
| #3 | Doors and windows | |
| #4 | Roof coverings | |
| #5 | Indexing scheme relating to hinges |
| # | Name | Total Patents |
|---|---|---|
| #1 | Handel Erwin | 8 |
| #2 | Erwin Handel | 1 |