| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 22 | |
| #2 | United States | 11 | |
| #3 | EPO (European Patent Office) | 6 | |
| #4 | WIPO (World Intellectual Property Organization) | 5 | |
| #5 | Canada | 4 | |
| #6 | Germany | 3 | |
| #7 | Norway | 3 | |
| #8 | Netherlands | 2 | |
| #9 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings | |
| #2 | Pipes | |
| #3 | Venting or aerating devices | |
| #4 | Unspecified technologies | |
| #5 | Special machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nicholson Terence Peter | 34 |
| #2 | Nicholson Terence P | 9 |
| #3 | Tozer Michael John Caswell | 4 |
| #4 | Nicholson Terence Peter Dipl I | 1 |
| #5 | Tozer Michael J C | 1 |
| #6 | Specialist Sealing Limited | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6131915A | Seal | |
| GB9522785D0 | Seal | |
| US5558347A | Seal | |
| GB9505717D0 | Stem seal | |
| GB9414113D0 | Improvements relating to metallic seal rings | |
| US5354072A | Hollow metal sealing rings | |
| GB9320910D0 | Gate valve seat | |
| GB9318544D0 | Seals | |
| US5240263A | Metallic sealing rings and their manufacture | |
| GB9202242D0 | Sealing ring | |
| EP0670018A1 | Seal | |
| GB9118823D0 | Hollow metal sealing rings | |
| GB9028219D0 | Seal | |
| GB9017173D0 | Static seal | |
| AU6061790A | Shaft seal | |
| DE4020070A1 | STATIC SEAL | |
| GB8928648D0 | Hollow metal sealing rings | |
| GB8927398D0 | Shaft seal | |
| GB8919432D0 | Seals | |
| GB8904817D0 | Metallic sealing rings |