| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | France | 2 | |
| #3 | Sweden | 2 | |
| #4 | Belgium | 1 | |
| #5 | Germany | 1 | |
| #6 | Italy | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings | |
| #2 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Litherland James Albert Frazie | 4 |
| #2 | Litherland J | 2 |
| #3 | Ransom Jack | 1 |
| #4 | Litherland J A F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1395334A | Packing assemblies | |
| GB1385882A | Seal assemblies | |
| GB1214986A | Sealing means | |
| FR1529076A | Seal | |
| GB1147877A | Fluid seals | |
| GB1109763A | Fluid operable piston and cylinder assemblies | |
| GB934605A | Improvements in packing rings | |
| GB807680A | Pipe couplings |