| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | Germany | 3 | |
| #3 | Japan | 3 | |
| #4 | Netherlands | 3 | |
| #5 | United States | 3 | |
| #6 | Australia | 1 | |
| #7 | Spain | 1 | |
| #8 | France | 1 | |
| #9 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Engines, pumps and turbines | |
| #3 | Measurement |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hunt Christopher John | 5 |
| #2 | Everett Geoffrey John | 5 |
| #3 | Hunt Christopher J | 4 |
| #4 | Everett Geoffrey J | 4 |
| #5 | Kurisutofuaa Jiyon Hanto | 3 |
| #6 | Jiyofurii Jiyon Ebaretsuto | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB8522600D0 | Engine analysers | |
| GB8505875D0 | Engine analysers | |
| GB8505874D0 | Engine analysers | |
| GB2064138A | Engine analysers | |
| GB2064139A | Engine analysers | |
| GB2064137A | Engine analysers | |
| AU6451280A | Engine analyser |