| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 6 | |
| #2 | Germany | 6 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Switzerland | 1 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Refrigerators | |
| #2 | Electric motor controls | |
| #3 | Pistons and sealings | |
| #4 | Shafts | |
| #5 | Rotary-pistons | |
| #6 | Rotary pistons | |
| #7 | Jet-propulsion plants | |
| #8 | AC and DC conversion devices | |
| #9 | Supplying combustion engines | |
| #10 | Spark gaps and corona devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dolzer Walter | 13 |
| #2 | Dravid Raja | 2 |
| #3 | Danz Franz | 2 |
| #4 | Walter Dolzer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE102004052263A1 | shaft seal | |
| WO03098128A1 | Refrigerating machine | |
| DE10220391A1 | Heat pump or refrigerator has compressor for liquefying thermal medium expanded into an evaporator via choke element in form of expansion turbine driven by expanding thermal medium | |
| DE3443022A1 | Transistor ignition system | |
| DE3421706A1 | Hydraulic power transmission and brake device for vehicles | |
| DE3421779A1 | Port-controlled two-stroke engine | |
| ATA170583A | Circuit arrangement for controlling at least three-phase ac motor |