| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Czechia | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Germany | 2 | |
| #4 | Hungary | 2 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Sewers | |
| #2 | Roof coverings | |
| #3 | Non-portable lighting devices | |
| #4 | Indexing scheme for uses of lighting devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wach Johann Franz | 8 |
| #2 | Wach Johann Franz Dipl-Ing | 3 |
| Publication | Filing date | Title |
|---|---|---|
| CZ89796A3 | Embedded unit for installation and attachment of underwater lighting unit | |
| DE4430040A1 | Installation element for arrangement in floor layers with a flow-through housing | |
| DE4430039A1 | Floor drain element for installation in a floor duct |