| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | Australia | 2 | |
| #3 | United States | 2 | |
| #4 | South Africa | 2 | |
| #5 | Brazil | 1 | |
| #6 | Germany | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | India | 1 | |
| #9 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Packaging and shipping | |
| #3 | Machines | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Separating solids using liquids | |
| #2 | Transport or storage devices | |
| #3 | Unspecified technologies | |
| #4 | Dredging | |
| #5 | Cyclones |
| # | Name | Total Patents |
|---|---|---|
| #1 | Humphreys Ira B | 4 |
| #2 | Welker M | 3 |
| #3 | Humphreys I | 2 |
| #4 | Welker Merrill | 2 |
| #5 | Humphreys Ira Boyd | 2 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7807364B | Method and apparatus for distributing slurries | |
| NZ189201A | Stationary slurry distributor | |
| AU4225378A | Slurry distribution | |
| CA1089795A | Method and apparatus for distributing slurries | |
| US3323646A | Cyclonic counterflow separator | |
| US2926436A | Rotary cutter for a dredge cutting head | |
| CA580943A | Thickening apparatus for increasing the solid content of liquids | |
| CA649223A | Counter flow sizer and method of sizing |