| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 1,492 | |
| #2 | EPO (European Patent Office) | 498 | |
| #3 | United States | 335 | |
| #4 | Canada | 225 | |
| #5 | Australia | 186 | |
| #6 | Norway | 162 | |
| #7 | South Africa | 150 | |
| #8 | WIPO (World Intellectual Property Organization) | 117 | |
| #9 | New Zealand | 107 | |
| #10 | Denmark | 57 | |
| #11 | Brazil | 54 | |
| #12 | Finland | 30 | |
| #13 | Ireland | 26 | |
| #14 | France | 25 | |
| #15 | Spain | 17 | |
| #16 | India | 15 | |
| #17 | China | 12 | |
| #18 | Mexico | 12 | |
| #19 | Netherlands | 11 | |
| #20 | Portugal | 8 | |
| #21 | Sweden | 6 | |
| #22 | Singapore | 6 | |
| #23 | Greece | 5 | |
| #24 | Republic of Korea | 5 | |
| #25 | Taiwan | 5 | |
| #26 | Hong Kong | 4 | |
| #27 | Hungary | 4 | |
| #28 | Poland | 4 | |
| #29 | Switzerland | 3 | |
| #30 | Italy | 3 | |
| #31 | Japan | 3 | |
| #32 | Argentina | 2 | |
| #33 | Belgium | 2 | |
| #34 | Czechoslovakia | 2 | |
| #35 | African Intellectual Property Organization | 2 | |
| #36 | Yugoslavia (Serbia and Montenegro) | 2 | |
| #37 | Bulgaria | 1 | |
| #38 | Czechia | 1 | |
| #39 | German Democratic Republic | 1 | |
| #40 | Ecuador | 1 | |
| #41 | Egypt | 1 | |
| #42 | Indonesia | 1 | |
| #43 | Israel | 1 | |
| #44 | Jordan | 1 | |
| #45 | Philippines | 1 | |
| #46 | Turkey | 1 | |
| #47 | Zimbabwe | 1 |
| # | Industry | |
|---|---|---|
| #1 | Organic fine chemistry | |
| #2 | Chemical engineering | |
| #3 | Basic materials chemistry | |
| #4 | Environmental technology | |
| #5 | Civil engineering | |
| #6 | Machines | |
| #7 | Measurement | |
| #8 | Materials and metallurgy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Barri Sami Ali Ibrahim | 56 |
| #2 | Smith David John Harry | 50 |
| #3 | Hopper Hans Paul | 44 |
| #4 | Nay Barry | 43 |
| #5 | Alper Howard | 41 |
| #6 | Young Dennis | 39 |
| #7 | Atkins Martin Philip | 37 |
| #8 | Brophy John Howard | 37 |
| #9 | Hodgson Philip Kenneth Gordon | 35 |
| #10 | Gerrard Donald Leslie | 33 |
| Publication | Filing date | Title |
|---|---|---|
| US5811365A | Zinc oxide composition for use in catalysts | |
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| GB9300696D0 | Fuel additives |