| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | South Africa | 2 | |
| #4 | Canada | 1 | |
| #5 | Finland | 1 | |
| #6 | Ireland | 1 | |
| #7 | Sweden | 1 | |
| #8 | United States | 1 | |
| #9 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Flotation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hinckfuss D | 3 |
| #2 | Davis W | 2 |
| #3 | Davis William John Nankivell | 1 |
| #4 | Davis William J N | 1 |
| #5 | Nankivell Davis William John | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2214222A1 | Immersed probe for analysis - esp metals in liquids using excited fluorescence | |
| ZA7201866B | Immersible absorption probe | |
| ZA7201867B | Immersible fluorescence probe | |
| IE29968L | Froth flotation | |
| GB1123446A | Method and apparatus for froth flotation | |
| CA817461A | Method and apparatus for froth flotation |