| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | Germany | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | China | 1 | |
| #7 | Czechia | 1 | |
| #8 | Hungary | 1 | |
| #9 | Israel | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 | |
| #11 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Elevators and escalators | |
| #2 | Domestic washing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gundlach Eberhard | 12 |
| #2 | Rinkenburger Werner | 10 |
| #3 | Haegle Friedrich | 7 |
| #4 | Hagle Friedrich | 2 |
| #5 | Rinkensburger Werner | 2 |
| #6 | Eberhard Gundlach | 1 |
| #7 | Werner Rinkenburger | 1 |
| #8 | Friedrich Hagle | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU6653300A | Method and device for cleaning | |
| CZ399499A3 | Method of automatic cleaning escalator steps or movable footpath and apparatus for making the same | |
| DE19814403A1 | Cleaning device and method | |
| DE19720377A1 | Cleaning device for cleaning the steps of an escalator |