| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | United States | 4 | |
| #3 | Canada | 1 | |
| #4 | Switzerland | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | France | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Packaging and shipping | |
| #3 | Electrical machinery and energy | |
| #4 | Textiles and paper | |
| #5 | Mechanical elements | |
| #6 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Optical systems | |
| #2 | Containers for goods storage | |
| #3 | Electric switches | |
| #4 | Special musical instruments | |
| #5 | Shafts | |
| #6 | Typewriters |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zapp Walter | 11 |
| #2 | Walter Zapp | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4078687A | Child-proof screw-cap closure | |
| US4081068A | Keyboard actuable with the aid of the fingers of at least one hand | |
| US4077295A | Fine tuning peg | |
| FR2294933A1 | Hermetic bottle sealing cap - secured by locking ring pivoting with it on sleeve on bottle neck | |
| DE2459628A1 | Hermetic bottle sealing cap - secured by locking ring pivoting with it on sleeve on bottle neck | |
| CA773829A | Viewing device |