| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | United States | 3 | |
| #3 | Switzerland | 2 | |
| #4 | Sweden | 2 | |
| #5 | Canada | 1 | |
| #6 | Germany | 1 | |
| #7 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Thermal processes | |
| #3 | Machines | |
| #4 | Packaging and shipping | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Mixing | |
| #2 | Unspecified technologies | |
| #3 | Heat-exchange device details | |
| #4 | Heat-exchanger without contact | |
| #5 | Transport or storage devices | |
| #6 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Christian Joseph Dennis | 4 |
| #2 | Christian J | 3 |
| #3 | Joseph Dennis Christian | 2 |
| #4 | Dennis Christian Joseph | 2 |
| #5 | Christian Robert Francis | 1 |
| #6 | Christian Joseph D | 1 |
| #7 | Wolff Erland | 1 |
| #8 | Francis Christian Robert | 1 |
| #9 | Robert Francis Christian | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1273131A | Screw conveyor and/or mixing apparatus | |
| GB1273132A | A screw for a screw mixing, heat exchange and/or conveying apparatus | |
| GB1195853A | Improvements in or relating to Screw Conveyors | |
| US3486740A | Apparatus for treating flowable materials | |
| US3386708A | Apparatus for treating flowable materials |