| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 238 | |
| #2 | EPO (European Patent Office) | 103 | |
| #3 | United States | 88 | |
| #4 | Japan | 75 | |
| #5 | Canada | 53 | |
| #6 | Australia | 38 | |
| #7 | Italy | 38 | |
| #8 | France | 32 | |
| #9 | South Africa | 28 | |
| #10 | Republic of Korea | 26 | |
| #11 | Germany | 25 | |
| #12 | Spain | 22 | |
| #13 | Brazil | 21 | |
| #14 | WIPO (World Intellectual Property Organization) | 21 | |
| #15 | India | 15 | |
| #16 | Ireland | 9 | |
| #17 | Mexico | 8 | |
| #18 | Switzerland | 7 | |
| #19 | Sweden | 6 | |
| #20 | Denmark | 5 | |
| #21 | Hong Kong | 5 | |
| #22 | New Zealand | 5 | |
| #23 | Portugal | 5 | |
| #24 | Argentina | 4 | |
| #25 | Belgium | 3 | |
| #26 | China | 3 | |
| #27 | German Democratic Republic | 3 | |
| #28 | Finland | 3 | |
| #29 | Luxembourg | 3 | |
| #30 | Netherlands | 3 | |
| #31 | Austria | 2 | |
| #32 | Czechoslovakia | 2 | |
| #33 | Turkey | 2 | |
| #34 | Yugoslavia (Serbia and Montenegro) | 2 | |
| #35 | USSR (Union of Socialist Soviet Republics) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Materials and metallurgy | |
| #5 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tommis Norman | 39 |
| #2 | Parker David Alec | 35 |
| #3 | Slee Roger Harvey | 27 |
| #4 | Bruni Ludovico | 26 |
| #5 | Graham Neil Anthony | 26 |
| #6 | Munro Robert | 26 |
| #7 | Collyear John Gowen | 24 |
| #8 | Eastwood Barry John | 20 |
| #9 | New Nigel Henry | 17 |
| #10 | Rhodes Michael Ledsham Price | 17 |
| Publication | Filing date | Title |
|---|---|---|
| US5335711A | Process and apparatus for metal casting | |
| GB8727312D0 | Pistons | |
| GB8725100D0 | Bearings | |
| GB8715267D0 | Piston rings | |
| GB8714956D0 | Bearing materials | |
| GB8714287D0 | Pistons | |
| GB8712743D0 | Casting method | |
| GB8712742D0 | Metal casting | |
| GB8712626D0 | Bearings | |
| GB8712495D0 | Reinforcement of castings | |
| GB8711605D0 | Cylinder liners | |
| GB8711007D0 | Centrifugal filters | |
| GB8709376D0 | Rotary valve | |
| GB8707633D0 | Sintered materials | |
| GB8707159D0 | Investment casting | |
| GB8706937D0 | Automatic vehicle speed control system | |
| GB8704325D0 | Piston & ring | |
| GB8703330D0 | Ceramic cylinders | |
| GB8701761D0 | Production of engineering materials | |
| GB8700790D0 | Metal casting |