| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 23 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Hinges for doors or windows | |
| #3 | Indexing scheme relating to hinges | |
| #4 | Bolts for doors or windows | |
| #5 | Doors and windows | |
| #6 | Unspecified technologies | |
| #7 | Wing fittings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hutton Melvin John | 8 |
| #2 | Chapman Colin William | 6 |
| #3 | Hutton Melvin | 4 |
| #4 | Davies Glyn Howard | 4 |
| #5 | Kelly John | 3 |
| #6 | Saville Roland Phillip | 2 |
| #7 | Smith Richard Charles Alistair | 1 |
| #8 | Coe David Frederick | 1 |
| #9 | Brooks Jack | 1 |
| #10 | Keavey Michael John | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9309976D0 | Adjustable shoot bolt assembly | |
| GB9502300D0 | Door or window fastener | |
| GB9204393D0 | Operating mechanism for espagnolettes and other similar fasteners | |
| GB9201060D0 | Locking handle | |
| GB9114193D0 | Locking handle | |
| GB9101327D0 | Improved security for a sliding door or window assembly | |
| GB9021515D0 | Sliding door and window frame joints and packing elements for such joints | |
| GB8914422D0 | Latch | |
| GB8827020D0 | Glazing system | |
| GB8801779D0 | Glazing system | |
| GB8801116D0 | Locking handles | |
| GB8730177D0 | Window stays | |
| GB8730176D0 | Window stays | |
| GB8727342D0 | Glazing system | |
| GB8727194D0 | Glazing system | |
| GB8725067D0 | Glazing system | |
| GB8705641D0 | Window stays | |
| GB8705640D0 | Window stays | |
| GB8517089D0 | Striking plates |