| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | Germany | 5 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Transport | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Supplying combustion engines | |
| #2 | Vehicle parts | |
| #3 | Pumps | |
| #4 | Wheelchairs and sledges | |
| #5 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wiegel Pieter Hendrikus | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB986994A | Improvements in and relating to carburettors | |
| GB979441A | Valve for an oxygen cylinder or the like | |
| GB752339A | Improvements in and relating to carburettors | |
| GB725247A | Improvements in and relating to carburetters for internal combustion engines | |
| GB734529A | Improvements in and relating to carburettors | |
| GB408776A | Improvements in circuit arrangements for one-wire electric systems of power driven vehicles especially of automobiles |