| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 8 | |
| #2 | Germany | 4 | |
| #3 | France | 4 | |
| #4 | United States | 4 | |
| #5 | Australia | 2 | |
| #6 | Canada | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Italy | 1 | |
| #9 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings | |
| #2 | Shaping of plastics | |
| #3 | Cutting | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Matthews Eric | 4 |
| #2 | Valente Peter Reginald | 3 |
| #3 | Chapman Charles Walter | 2 |
| #4 | Reginald Valente Peter | 2 |
| #5 | Peppiatt Nicholas Anthony | 2 |
| #6 | Chapman Charles W | 1 |
| #7 | Heath Thornton | 1 |
| #8 | Walter Chapman Charles | 1 |
| #9 | Prudhomme Max | 1 |
| #10 | Pepiatt Nicholas Anthony | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4915892A | Making sealing ring assembly | |
| GB8627632D0 | Seal separator ring | |
| GB8530896D0 | Refitting of sealing ring assemblies | |
| GB8530895D0 | Moulding of sealing rings | |
| US3782736A | Scraper rings | |
| GB1285272A | Gland seal assemblies | |
| GB1316842A | Piston seal and bearing assembly | |
| GB1316841A | Piston seal assembly | |
| GB1260147A | Guillotine cutting machine | |
| CA891865A | Guillotine cutting machine |