| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 12 | |
| #2 | Germany | 3 | |
| #3 | Denmark | 2 | |
| #4 | Switzerland | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Thermal processes | |
| #3 | Environmental technology | |
| #4 | Medical technology | |
| #5 | Macromolecular chemistry and polymers | |
| #6 | Machine tools | |
| #7 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gruber Heinrich | 18 |
| #2 | Schuster Monika | 1 |
| #3 | Stampfl Juergen | 1 |
| #4 | Heinrich Gruber | 1 |
| #5 | Varga Franz | 1 |
| #6 | Liska Robert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE19943005A1 | Process for cleaning the surface of a plastic object | |
| DE3050144A1 | House heating system combined with underground heat collector - has extra water circulating tubes behind outer wall insulation | |
| DE3016456A1 | Underground heat extraction cycle for central heating - uses spiked tubes containing water circulating tube, under insulating and waterproof layers |