| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 10 | |
| #2 | United States | 6 | |
| #3 | Canada | 5 | |
| #4 | Germany | 4 | |
| #5 | France | 3 | |
| #6 | Belgium | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Sweden | 1 | |
| #9 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings | |
| #2 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nicholson Terence Peter | 5 |
| #2 | Nicholson Terence P | 5 |
| #3 | Scott Thomas William | 2 |
| #4 | Peter Nicholson Terence | 2 |
| #5 | Tozer Michael John Caswell | 2 |
| #6 | Tozer M J C | 1 |
| #7 | Bertram Nicholson James | 1 |
| #8 | Nicholson T | 1 |
| #9 | Nicholson James Bertram | 1 |
| #10 | Tozer M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8413036D0 | Cylinder head gaskets | |
| CA996596A | Sealing means | |
| GB1360951A | Sealing means | |
| GB1388849A | Sealing means | |
| GB1365682A | Sealing ring | |
| GB1350380A | Sealing ring | |
| GB1356101A | Seal | |
| GB1299173A | Sealing means | |
| GB1273136A | Improvements in or relating to sealing means | |
| GB1213454A | Improvements in or relating to sealing means | |
| GB987497A | Improvements in or relating to gaskets and washers | |
| FR1299703A | Improvements to ribbed joints | |
| US2544347A | Gasket for insertion between joint faces which are subject to pressure | |
| CA469175A | Gaskets for insertion between joint faces which are subject to pressure | |
| CA855589A | Sealing means | |
| CA840869A | Sealing means |