| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 5 | |
| #2 | Belgium | 5 | |
| #3 | Switzerland | 5 | |
| #4 | Germany | 5 | |
| #5 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Civil engineering | |
| #3 | Audio-visual technology | |
| #4 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Magnets and transformers | |
| #2 | Distribution of electric power | |
| #3 | Swimming pools | |
| #4 | Electrically-conductive connections | |
| #5 | Advertising | |
| #6 | Refrigerators |
| # | Name | Total Patents |
|---|---|---|
| #1 | Erlenhof Alfred | 4 |
| #2 | Alfred Erlenhof | 3 |
| #3 | Neubauer Manfred Dipl Ing | 1 |
| #4 | Meulemann Andre | 1 |
| #5 | Gugel Hans | 1 |
| #6 | Erlenhof A | 1 |
| #7 | Werk Hans-Helmar Dipl Ing | 1 |
| #8 | Zobel Siegfried | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3113111A1 | Transformer housing having a transformer tank and a cooling device | |
| DE3012541A1 | Heat pump heating system - has air cooler with defroster connected to heat accumulator between condenser and expansion valve | |
| DE2159314A1 | TRANSFORMER BOILER FOR USE IN AN UNDERGROUND TRANSFORMER STATION | |
| DE2158520A1 | POWER TRANSFORMER UNDERFLOOR STATION | |
| DE2001899A1 | Device for the detachable fastening of a separating flap on two line sections of an electrical switchgear |