| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | Switzerland | 7 | |
| #3 | Sweden | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Packaging and shipping | |
| #3 | Measurement | |
| #4 | Surface technology and coating | |
| #5 | Environmental technology | |
| #6 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Containers for goods storage | |
| #2 | Testing of structures | |
| #3 | Pipes | |
| #4 | Pipe-line systems | |
| #5 | Gas holders | |
| #6 | Transferring liquids | |
| #7 | Metallic material removal | |
| #8 | Combustion residues removal | |
| #9 | Fluid heaters | |
| #10 | Cleaning heat-exchanger internal surfaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hanns-Helmut Riemann | 4 |
| #2 | Siegmund Werner | 3 |
| #3 | Riemann Hans-Helmut | 3 |
| #4 | Riemann Hanns-H | 2 |
| #5 | Stoffels Hans | 2 |
| #6 | Wilhelm Schwenk Dr Rer Nat | 1 |
| #7 | Helmut Riemann Hans | 1 |
| #8 | Hans Helmut Riemann | 1 |
| #9 | Riemann H | 1 |
| #10 | Riemann Hans-H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1922151A1 | Heating oil container with lower-layer - fluid on the screening bed | |
| CH508530A | Double walled fuel tank with corrosion inhib - inner wall | |
| DE1696142A1 | Double-walled storage container, especially heating oil container | |
| DE1675316A1 | Storage tank, especially for heating oil, with plastic lining and leak detection device | |
| DE1650043A1 | Device for optical leak detection in containers or pipelines |