| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Materials and metallurgy | |
| #3 | Machine tools | |
| #4 | Engines, pumps and turbines | |
| #5 | Mechanical elements | |
| #6 | Civil engineering | |
| #7 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Elevators and escalators | |
| #3 | Percussive tools | |
| #4 | Foundry moulding | |
| #5 | Gearing | |
| #6 | Shafts | |
| #7 | Rotary pistons | |
| #8 | Pig-iron processing | |
| #9 | Machines | |
| #10 | Household appliances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Blauser Erich | 5 |
| #2 | Kubitza Franz | 4 |
| #3 | Uhlendorf Willi | 2 |
| #4 | Mier Gerhard | 2 |
| #5 | Renner Karl | 2 |
| #6 | Thoene Wilhelm | 2 |
| #7 | Schulte Anton | 1 |
| #8 | Richter Herbert | 1 |
| #9 | Bergermann Friedrich | 1 |
| #10 | Kloppert Johann | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2521350A1 | Suction device of compressed air powered type - has ejector devices which are fitted on outside of separator vessel to draw in external air | |
| DE1783141B1 | Cleaning device for molds | |
| DE864942C | Device for regulating at least two geared air motors each working on a common shaft via a gear | |
| DE345586C | Drive machine for conveyor chutes |