| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | Germany | 2 | |
| #3 | Spain | 2 | |
| #4 | France | 2 | |
| #5 | United States | 2 | |
| #6 | Belgium | 1 | |
| #7 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Climate change mitigation in wastewater treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stone James S | 4 |
| #2 | James Sylvester Stone | 1 |
| #3 | Stone J | 1 |
| #4 | Sylvester Stone James | 1 |
| #5 | Stone J S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA953824A | Domestic sewage treatment plant | |
| CA948798A | Domestic sewage treatment plant | |
| CA940241A | Domestic sewage treatment plant | |
| US3731812A | Domestic sewage treatment plant | |
| DE1911377A1 | Method and device for mixing a gas with a liquid | |
| US3503876A | Domestic sewage treatment method and apparatus |