| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 | |
| #2 | United Kingdom | 3 | |
| #3 | Finland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Cycle brakes | |
| #2 | Making forged metal products | |
| #3 | Vehicle wheels | |
| #4 | Forging | |
| #5 | Punching metal | |
| #6 | Grinding or polishing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gottschalk Richard | 4 |
| #2 | Richard Gottschalk | 1 |
| #3 | Otto Petzsch | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB922343A | Improvements in or relating to the manufacture of hub bodies | |
| GB886202A | Improvements in or relating to the manufacture of hub bodies | |
| GB487126A | Freewheel brake hub, especially for cycles |