| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 9 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 3 | |
| #4 | Switzerland | 2 | |
| #5 | Canada | 1 | |
| #6 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Civil engineering | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Gearing | |
| #3 | General building constructions | |
| #4 | Shafts | |
| #5 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rohrbeck Fritz | 18 |
| #2 | Fritz Rohrbeck | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1001167A | Bearing support or bracket. | |
| GB191030112A | Improvements in Bearing Supports or Brackets. | |
| US679338A | Bush for two-part belt-pulleys. | |
| GB190012535A | Improved Bush for Two Part Belt Pulleys or Wheels. | |
| US661079A | Belt-pulley. | |
| GB189911798A | Improvements in Belt-pulleys. | |
| CA324479A | Razor blade polishing device |