| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 10 | |
| #2 | United States | 6 | |
| #3 | Germany | 5 | |
| #4 | France | 3 | |
| #5 | Australia | 1 | |
| #6 | Belgium | 1 | |
| #7 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Measurement | |
| #3 | Computer technology | |
| #4 | Audio-visual technology | |
| #5 | Electrical machinery and energy | |
| #6 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Welland John Edwin Thomas | 8 |
| #2 | Craddock Michael John | 3 |
| #3 | Craddock M | 2 |
| #4 | Cecil Steadman George | 2 |
| #5 | Stephen Rudd Frederick | 2 |
| #6 | Thomas Welland John Edwin | 2 |
| #7 | Craddock M J | 1 |
| #8 | Stephe George Cecil Steadman F | 1 |
| #9 | Heritier Francis Raymond | 1 |
| #10 | Welland John E T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU7926875A | Electronic taximeters | |
| US3843870A | Taximeters | |
| GB1388158A | Taximeters | |
| GB1372869A | Taximeters | |
| GB1350912A | Taximeters | |
| GB1223644A | Improvements in or relating to taximeters | |
| GB1223645A | Improvements in or relating to taximeters | |
| GB1006979A | Improvements in or relating to taximetres | |
| US3209997A | Taximeters | |
| GB971015A | Taximeters | |
| DE1424951A1 | taximeter | |
| GB971014A | Taximeters | |
| GB867550A | Improvements in or relating to illuminated display or indicating apparatus | |
| US2795878A | Indicating instruments | |
| DE1085683B | Mounting device for instruments | |
| DE1133903B | Display device | |
| GB790382A | Improvements in or relating to indicating instruments |