| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 17 | |
| #2 | Argentina | 3 | |
| #3 | Norway | 3 | |
| #4 | Switzerland | 2 | |
| #5 | Denmark | 2 | |
| #6 | France | 2 | |
| #7 | Netherlands | 2 | |
| #8 | United States | 2 | |
| #9 | EPO (European Patent Office) | 1 | |
| #10 | Spain | 1 | |
| #11 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Machines | |
| #4 | Packaging and shipping | |
| #5 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Fire-fighting | |
| #2 | Venting or aerating devices | |
| #3 | Unspecified technologies | |
| #4 | Containers for goods storage | |
| #5 | Compressed gas holders | |
| #6 | Pipes | |
| #7 | Separation | |
| #8 | Transferring liquids |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leinemann Robert | 9 |
| #2 | Leinemann Hubert Dipl Ing | 5 |
| #3 | Leinemann Hubert | 5 |
| #4 | Leinemann Hubert Dipl-Ing | 3 |
| #5 | Leinemann H | 2 |
| #6 | Hubert Leinemann Dipl-Ing | 1 |
| #7 | Leinemann Christoph | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0010734A1 | Equipment proofed against explosion and detonation | |
| DE2605015A1 | PILOT CONTROLLED DIAPHRAGM VALVE | |
| DE2511391B1 | FLAME PROOF VENTILATION FITTING | |
| DE2451305A1 | Vessel overfilling protection device - has valve plug with float set to higher pressure than vent valve | |
| DE2444707B1 | Vent and safety valve | |
| DE1942299A1 | Combustible tank breather - with protection against flame blow back |