| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Thermal processes | |
| #3 | Mechanical elements | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Cyclically operating valves | |
| #2 | Positive-displacement engines | |
| #3 | Preheating for stem generation | |
| #4 | Pumps | |
| #5 | Pistons and sealings | |
| #6 | Lubricating | |
| #7 | Machines | |
| #8 | Handling thin material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Walter Nielebock | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2317796A | Blast tank for liquid pumps | |
| US1690126A | Reciprocating engine | |
| GB211837A | Improvements relating to fluid control systems for double-acting piston engines | |
| GB208537A | Improvements in or relating to cushioning means for compound steam engines | |
| GB183342A | Improvements in and relating to fluid control systems for engines of the double-acting reciprocating piston type |