| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 27 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Chemical engineering | |
| #4 | Machine tools | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Supplying combustion engines | |
| #2 | Internal-combustion piston engines | |
| #3 | Pistons and sealings | |
| #4 | Siphons | |
| #5 | Separation | |
| #6 | Soldering, welding and flame cutting | |
| #7 | Wheelchairs and sledges |
| Publication | Filing date | Title |
|---|---|---|
| DE398086C | Fuel feeder | |
| DE409057C | Fuel strainer | |
| GB214185A | Improvements in gaseous-pressure apparatus for raising liquid fuel | |
| GB214162A | Apparatus for raising liquid fuel | |
| DE398085C | Fuel feeder | |
| DE395241C | Fuel feeder | |
| DE390056C | Muffler and air intake for bicycle engines | |
| DE398741C | Fuel sucker | |
| DE390520C | Piston ring | |
| DE395538C | Fuel feeder | |
| DE397021C | Fuel feeder | |
| DE390155C | Fuel feeder | |
| DE408003C | Fuel sucker | |
| DE389844C | Piston ring | |
| DE398740C | Fuel sucker | |
| DE396191C | Fuel sucker | |
| DE393678C | Compressed air or compressed gas liquid lifters | |
| DE390154C | Fuel feeder | |
| DE400344C | Fuel feeder | |
| DE389917C | Gas plunger |