SILLEY HENRY ARTHUR JOHN has a total of 13 patent applications. Its first patent ever was published in 1945. It filed its patents most often in Denmark, Belgium and Canada. Its main competitors in its focus markets chemical engineering and packaging and shipping are GRAYBILL PAUL J, GUSTAFSSON BROR and G & A FIRKINS LTD.
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Silley Henry Arthur John | 11 |
| #2 | Unthank Douglas George | 7 |
| #3 | Unthank George Rodham | 4 |
| #4 | Douglas George Unthank | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA431920A | Apparatus for separating oil from water |