| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Switzerland | 3 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | Canada | 1 | |
| #6 | Germany | 1 | |
| #7 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Mechanical elements | |
| #3 | Organic fine chemistry | |
| #4 | Foods and drinks | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Typewriters | |
| #2 | Gearing | |
| #3 | Vehicle connections | |
| #4 | New plants | |
| #5 | Heterocyclic compounds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mayer Fritz | 10 |
| #2 | Fritz Mayer | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB191416593A | Improvements in Vehicle Couplings. | |
| GB191201056A | An Improved Shift Mechanism for Type-writers. | |
| US803774A | Process of making dialkyl-malonyl-urea. | |
| GB190502787A | Method of Preparing Diethylmalonylurea. | |
| CA61649A | Typewriting machine | |
| GB189811166A | Improvements in Typewriting Machines. | |
| US647271A | Type-writing machine. |