| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 11 | |
| #2 | Japan | 9 | |
| #3 | United States | 6 | |
| #4 | Canada | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Civil engineering | |
| #5 | Measurement | |
| #6 | Thermal processes | |
| #7 | Transport | |
| #8 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Climate change adaptation technologies | |
| #2 | Separation | |
| #3 | Unspecified technologies | |
| #4 | Roof coverings | |
| #5 | Climate change mitigation in wastewater treatment | |
| #6 | Water treatment | |
| #7 | Analysing materials | |
| #8 | Air-conditioning | |
| #9 | Cosmonautics | |
| #10 | Horticulture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dempster William F | 6 |
| #2 | Hawes Philip B | 4 |
| #3 | Conrad Roger A | 3 |
| #4 | Maaguretsuto Oogasutein | 3 |
| #5 | Pearce Peter J | 3 |
| #6 | Kaaru Enu Hotsujizu | 3 |
| #7 | Rinda Esu Rii | 3 |
| #8 | Hodges Carl N | 3 |
| #9 | Leigh Linda S Biosphere Confer | 2 |
| #10 | Pate E Leonard | 2 |
| Publication | Filing date | Title |
|---|---|---|
| EP0604588A1 | Waste-water treatment system. | |
| EP0600976A1 | Room air purifier. | |
| US5186578A | Wave generator | |
| EP0476674A1 | Air sampling and analysis system | |
| EP0442273A2 | Pressure balancing a closed ecological system | |
| EP0434958A1 | Bio-assay technique for dilute solutions containing toxic substances | |
| US5089036A | Air scrubber for organic solvent removal | |
| JPH03266914A | Sealed ecological system | |
| US5138820A | Low leakage glazing system for space frame structures | |
| US5177921A | Low leakage glazing system | |
| US5078881A | Decontamination process | |
| US4961763A | Indoor air purifier |