| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | Australia | 2 | |
| #3 | Germany | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | South Africa | 2 | |
| #6 | Canada | 1 | |
| #7 | Denmark | 1 | |
| #8 | Spain | 1 | |
| #9 | Ireland | 1 | |
| #10 | India | 1 | |
| #11 | Japan | 1 | |
| #12 | Republic of Korea | 1 | |
| #13 | Poland | 1 | |
| #14 | USSR (Union of Socialist Soviet Republics) | 1 | |
| #15 | United States | 1 | |
| #16 | WIPO (World Intellectual Property Organization) | 1 | |
| #17 | Yugoslavia (Serbia and Montenegro) | 1 | |
| #18 | Zimbabwe | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology | |
| #3 | Textiles and paper | |
| #4 | Machines | |
| #5 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Demar Viking Valentin | 6 |
| #2 | Crowther Mark Edward | 5 |
| #3 | Pathmarajah Stephen Arumugam T | 3 |
| #4 | Steven Pathmarajah | 2 |
| #5 | Mark Edward Crowther | 2 |
| #6 | Pathmarajah Steven | 2 |
| #7 | Demar V V | 1 |
| #8 | Thema Viking Valentine | 1 |
| #9 | Valentin Demar Viking | 1 |
| #10 | Bikingu Barentein Demaaru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8707674D0 | Solid fuel furnaces | |
| IE801506L | Process and furnace for burning solid fuel | |
| GB1446072A | Furnaces for solid fuels | |
| DE1921881A1 | oven | |
| GB1016500A | Machine for manufacturing camouflage nets | |
| GB1025324A | Apparatus for producing reinforced laminated synthetic plastics sheets |