| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | Canada | 1 | |
| #3 | Germany | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | France | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hatfield Raymond | 3 |
| #2 | Brown Robert Edward | 2 |
| #3 | Brown Robert E | 1 |
| #4 | Biddle Christopher Raymond | 1 |
| #5 | Hull David Leslie | 1 |
| #6 | Gould Royston Mervin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8323634D0 | Device to assist a wheelchair surmount steps kerbs and the like | |
| EP0096098A1 | Control means for an electrically powered vehicle | |
| GB2089300A | Control means for electric vehicle | |
| GB2043554A | Motorised wheelchairs | |
| GB1581231A | Wheelchairs | |
| US4078627A | Wheelchair controls | |
| GB1506571A | Motorising of wheelchairs | |
| GB1562383A | Wheelchair controls |