| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 553 | |
| #2 | United States | 271 | |
| #3 | France | 217 | |
| #4 | Germany | 215 | |
| #5 | Canada | 182 | |
| #6 | Switzerland | 102 | |
| #7 | Japan | 59 | |
| #8 | Netherlands | 47 | |
| #9 | EPO (European Patent Office) | 45 | |
| #10 | Sweden | 37 | |
| #11 | Australia | 14 | |
| #12 | Italy | 13 | |
| #13 | Spain | 7 | |
| #14 | Belgium | 1 | |
| #15 | Denmark | 1 | |
| #16 | Israel | 1 | |
| #17 | Norway | 1 | |
| #18 | WIPO (World Intellectual Property Organization) | 1 | |
| #19 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Optics | |
| #3 | Audio-visual technology | |
| #4 | Measurement | |
| #5 | Machines | |
| #6 | Telecommunications | |
| #7 | Materials and metallurgy | |
| #8 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Devices using light amplification | |
| #3 | Television | |
| #4 | Waveguides | |
| #5 | Analysing materials | |
| #6 | Treatment of glass | |
| #7 | Radio navigation | |
| #8 | Modulation | |
| #9 | Unspecified technologies | |
| #10 | Manufacturing processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Menown Hugh | 65 |
| #2 | Esterson Maurice | 58 |
| #3 | Pickering Alan Hugh | 34 |
| #4 | Maitland Arthur | 28 |
| #5 | Firmin Jervois Campbell | 27 |
| #6 | Nixon Ralph Desmond | 27 |
| #7 | Jones Eric | 23 |
| #8 | Callick Eric Brian Butler | 22 |
| #9 | Banks Peter Baldwin | 22 |
| #10 | Maitland Dr Arthur | 20 |
| Publication | Filing date | Title |
|---|---|---|
| GB8924829D0 | Object tracking using CCD | |
| GB8822824D0 | Magnetrons. | |
| GB8814663D0 | Thyratron test circuit | |
| GB8814175D0 | Vehicle monitoring system | |
| EP0300608A2 | Magnetrons | |
| GB8813347D0 | Laser arrangements | |
| GB8812276D0 | Laser apparatus | |
| GB8812090D0 | Circuit arrangements | |
| DE3816426A1 | Cavity resonator device e.g. coaxial-type magnetron, has changing devices for changing geometry of main cavity resonator, which includes section switched between electrically conductive condition and non-conductive condition | |
| GB8809030D0 | Circuit arrangements | |
| GB8807941D0 | Optical display panel | |
| GB8803171D0 | Imaging apparatus | |
| GB8803022D0 | Apparatus for producing holograms | |
| GB8802078D0 | Lasers | |
| GB8801633D0 | Directly heated cathode | |
| GB8801176D0 | Magnetrons | |
| GB8800974D0 | Laser with container for amplifying medium material | |
| GB8728503D0 | Thyratrons | |
| GB8728422D0 | Laser arrangements | |
| GB8727413D0 | Laser apparatus |