| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | France | 4 | |
| #3 | Australia | 2 | |
| #4 | Germany | 2 | |
| #5 | Spain | 2 | |
| #6 | Greece | 2 | |
| #7 | Italy | 2 | |
| #8 | Netherlands | 2 | |
| #9 | Norway | 2 | |
| #10 | United States | 2 | |
| #11 | Brazil | 1 | |
| #12 | Canada | 1 | |
| #13 | Egypt | 1 | |
| #14 | Malaysia | 1 | |
| #15 | New Zealand | 1 | |
| #16 | Turkey | 1 | |
| #17 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Civil engineering | |
| #3 | Mechanical elements | |
| #4 | Machines | |
| #5 | Chemical engineering | |
| #6 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Testing of structures | |
| #2 | Earth drilling | |
| #3 | Pistons and sealings | |
| #4 | Pipes | |
| #5 | Fire-fighting | |
| #6 | Compressed gas holders | |
| #7 | Certain plastics | |
| #8 | Water treatment | |
| #9 | Producing goods from plastic | |
| #10 | Mixing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Armell Richard Alvin | 11 |
| #2 | Shulver Roderick Leonard | 5 |
| #3 | Misselbrook John Gordon | 5 |
| #4 | Armell Richard A | 3 |
| #5 | Misselbrook John G | 2 |
| #6 | Armell R | 1 |
| #7 | Misselbrook J G | 1 |
| #8 | Misselbrook J | 1 |
| #9 | Armell R A | 1 |
| #10 | Arnel R A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2557294A1 | APPARATUS FOR DETECTING LEAKS FROM PIPING FITTINGS | |
| GB8411559D0 | Screw-thread protection | |
| GB8322434D0 | Leak testing tool | |
| GB8313646D0 | Screw-thread protection | |
| DE3304767A1 | GASKET WITH A CENTRAL RUBBER SLEEVE AND TWO END CAPS | |
| GB8303109D0 | Rubber seal for high pressure test apparatus | |
| GB2094461A | Revaporising liquified gases | |
| GB2085296A | Gas controls | |
| GB2084476A | Liquid mixing |