| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 13 | |
| #2 | Ireland | 4 | |
| #3 | Canada | 1 | |
| #4 | Denmark | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tunnicliffe Robert William | 15 |
| #2 | Walton John Stuart | 6 |
| #3 | Leighton John Michael Hall | 6 |
| #4 | Hall Leighton John Michael | 3 |
| #5 | Tunnicliffe Robert W | 2 |
| #6 | Leighton John M H | 2 |
| Publication | Filing date | Title |
|---|---|---|
| IE80802B1 | Sash window parting beads | |
| GB9519273D0 | Cord locking devices and sash window parting beads | |
| GB9420677D0 | Cord locking devices and sash window parting beads | |
| GB9306206D0 | Sliding sash windows | |
| GB8414691D0 | Draught-proofing | |
| EP0125793A2 | The reduction of draughts through sliding sash windows | |
| GB8333978D0 | Cutting tools | |
| GB8333281D0 | Reducing draughts through metal casement windows | |
| GB8308175D0 | Improvements in or relating to jigs | |
| GB8306872D0 | Door sealing strips | |
| GB8306873D0 | Sealing strips for windows | |
| GB8306871D0 | Draught reducing methods |