| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 21 | |
| #2 | United Kingdom | 5 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Consumer goods | |
| #3 | Electrical machinery and energy | |
| #4 | Medical technology | |
| #5 | Environmental technology | |
| #6 | Textiles and paper | |
| #7 | Machines | |
| #8 | Furniture and games | |
| #9 | Agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heinrich Oelerich | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB386810A | Improvements in or relating to carburettors | |
| GB366447A | Improvements in fuel vapourizers or carburettors | |
| US1801684A | Carburetor | |
| GB330765A | Improvements in or relating to floatless carburetters for internal combustion engines | |
| US1789473A | Carburetor | |
| GB331653A | Improvements in or relating to floatless carburetters for internal combustion engines | |
| DE497659C | Floatless carburetor | |
| GB157289A | Improvements in machines for stamping and closing envelopes |