| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Foods and drinks | |
| #3 | Basic materials chemistry | |
| #4 | Chemical engineering | |
| #5 | Machines | |
| #6 | Mechanical elements | |
| #7 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Mechanically-driven clocks | |
| #2 | Pistons and sealings | |
| #3 | Foods | |
| #4 | Cleaning | |
| #5 | Soaps | |
| #6 | Milling | |
| #7 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hartmann Franz | 8 |
| #2 | Franz Hartmann | 4 |
| #3 | Adolf Michel | 1 |
| #4 | Kunth Hans-Werner | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE10329122A1 | Process for cleaning food-processing machines with perforated discs and cleaning mass for use | |
| DE972272C | Shaft seal and process for its manufacture | |
| GB189605862A | An Improved Arrangement of Apparatus for Evaporating Liquids in Closed Places for Inhalation Purposes. | |
| CA52045A | Process for manufacturing a solution of sulphurous acid for curative purposes | |
| GB189519702A | An Improved Process for Manufacturing a Solution Containing Sulphurous Acid for Curative Purposes. |