| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 36 | |
| #2 | Australia | 19 | |
| #3 | South Africa | 15 | |
| #4 | France | 8 | |
| #5 | EPO (European Patent Office) | 5 | |
| #6 | New Zealand | 4 | |
| #7 | United Kingdom | 2 | |
| #8 | Yugoslavia (Serbia and Montenegro) | 2 | |
| #9 | Zambia | 2 | |
| #10 | Zimbabwe | 2 | |
| #11 | African Regional Industrial Property Organization | 1 | |
| #12 | Argentina | 1 | |
| #13 | Malawi | 1 | |
| #14 | Mexico | 1 | |
| #15 | Philippines | 1 | |
| #16 | Romania | 1 | |
| #17 | USSR (Union of Socialist Soviet Republics) | 1 | |
| #18 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Materials and metallurgy | |
| #3 | Machines | |
| #4 | Environmental technology | |
| #5 | Chemical engineering | |
| #6 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Explosives | |
| #2 | Non-metallic elements | |
| #3 | Blasting | |
| #4 | Chemical or physical processes | |
| #5 | Explosive charges | |
| #6 | Climate change mitigation in wastewater treatment | |
| #7 | Water treatment | |
| #8 | Heat-exchange device details | |
| #9 | Alloys | |
| #10 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bampfield Howard Anthony | 15 |
| #2 | Smith Frank | 9 |
| #3 | Jones Frederick William Stanle | 9 |
| #4 | Villamagna Fortunato | 8 |
| #5 | Smith Jeremy Guy Breakwell | 7 |
| #6 | Binet Rejean | 7 |
| #7 | Deibitsudo Kaaruton Aabingu Po | 6 |
| #8 | Cameron Gordon Murray | 5 |
| #9 | Marz Horst Fritz | 5 |
| #10 | Yorke William John | 4 |
| Publication | Filing date | Title |
|---|---|---|
| JPH01133910A | Method for generating sulfur trioxide from fuming sulfuric acid by using microwave energy, and device therefor | |
| JPS62278108A | Sulfur combustion furnace and boiler composite device | |
| FR2546871A1 | Sulfuric acid concentration apparatus | |
| FR2541664A1 | Apparatus for producing sulfuric acid, and elements of the apparatus | |
| FR2541591A1 | Acid dispenser for dehydration or absorption for the production of sulfuric acid | |
| FR2544061A1 | Heat exchanger for the production of sulfuric acid | |
| FR2541665A1 | Sulfuric acid concentration process | |
| EP0107407A2 | Emulsion explosive composition | |
| FR2531945A1 | Apparatus and method for the production and concentration of sulfuric acid, and elements of the apparatus |