| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 11 | |
| #2 | China | 1 | |
| #3 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Vehicle wheels | |
| #2 | Gearing | |
| #3 | Shaping of plastics | |
| #4 | Cross-cutting vehicle technologies | |
| #5 | Certain plastics | |
| #6 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Howell Douglas Hayden | 4 |
| #2 | Gear John Philip | 3 |
| #3 | Jones Christopher Bryan | 1 |
| #4 | Sey James D A | 1 |
| #5 | Butt James Harry | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN1251559A | Castor assembly | |
| GB9501470D0 | A braked castor assembley eg. for a scaffold tower | |
| GB8628015D0 | Castor assemblies | |
| GB8607066D0 | Castor assemblies | |
| GB8530215D0 | Castor assemblies | |
| GB8513528D0 | Castors | |
| GB8327464D0 | Improvements in and relating to castors | |
| GB8322112D0 | Moulding pegs for castors | |
| GB2061365A | Expanding plug castor | |
| GB1443936A | Castors | |
| GB1386593A | Production of rotary elements | |
| GB1312556A | Castors |