| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Belgium | 2 | |
| #3 | Brazil | 2 | |
| #4 | Switzerland | 2 | |
| #5 | France | 2 | |
| #6 | United Kingdom | 2 | |
| #7 | India | 2 | |
| #8 | Italy | 2 | |
| #9 | Netherlands | 2 | |
| #10 | Norway | 2 | |
| #11 | Sweden | 2 | |
| #12 | United States | 2 | |
| #13 | South Africa | 2 | |
| #14 | Argentina | 1 | |
| #15 | Australia | 1 | |
| #16 | Canada | 1 | |
| #17 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Electric discharge tubes | |
| #3 | Measuring light |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ritzl Hermann | 15 |
| #2 | Ritzl Hermann Dr Ing | 5 |
| #3 | Ritzl Hermann Dr-Ing | 2 |
| #4 | Ritzl Hermann Dr | 1 |
| #5 | Ritzl Herman | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3743584A1 | Optical spectrometer | |
| CH665026A5 | Spectrometer. | |
| DE3422366A1 | Spectrometer | |
| DE3221274A1 | GLIMMENT CHARGE LAMP FOR SPECTRAL ANALYTICAL EXAMINATIONS |