| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 21 | |
| #2 | France | 4 | |
| #3 | Belgium | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Packaging and shipping | |
| #3 | Engines, pumps and turbines | |
| #4 | Civil engineering | |
| #5 | Machines | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Ships | |
| #2 | Cranes | |
| #3 | Marine propulsion | |
| #4 | Nails | |
| #5 | Bolts for doors or windows | |
| #6 | Machines for making railways | |
| #7 | Machines | |
| #8 | Spraying devices | |
| #9 | Controlling combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sprengel Heinz Ferdinand Johan | 4 |
| #2 | Gueldner Dipl-Ing Dr Hugo | 1 |
| #3 | Czygan Joachim | 1 |
| #4 | Lange Friedrich | 1 |
| #5 | Thiel Ernst | 1 |
| #6 | Eckhardt Wolfgang | 1 |
| #7 | Schmilewski Hellmut | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1106325A | Ship's loading derrick |