| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Spain | 3 | |
| #3 | Switzerland | 2 | |
| #4 | Denmark | 2 | |
| #5 | Austria | 1 | |
| #6 | Canada | 1 | |
| #7 | France | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Steam engine plants | |
| #2 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lajoie Jules Paul | 9 |
| #2 | Jules Paul Lajoie | 2 |
| #3 | Jules-Paul Lajoie | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US948785A | Apparatus for the purification of water. | |
| GB190819648A | New or Improved Apparatus for Purifying Water for Industrial Purposes. | |
| CA87072A | Carbonic acid motor | |
| GB190304660A | A New or Improved Motor Operated by Carbon Di-oxide or other Gaseous Fluid | |
| GB190014541A | Improvements in or relating to Heating Devices for Carbonic Acid Gas Motors | |
| GB190014540A | Improvements in Carbonic Acid Gas and like Motors |