| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
|---|
| 05/11/1976 | US3956432 Aeration technology |
| 05/11/1976 | US3956137 Pollution control apparatus |
| 05/11/1976 | US3956129 Waste treatment apparatus |
| 05/11/1976 | US3956128 Apparatus for treating industrial and domestic waste waters |
| 05/11/1976 | US3956127 Water treatment, aeration |
| 05/11/1976 | US3956124 Of thermally stratified water |
| 05/11/1976 | US3955318 Waste purification system |
| 05/04/1976 | US3954922 Bubble-shearing diffuser |
| 05/04/1976 | US3954615 Apparatus for sewage treatment and wastewater reclamation |
| 05/04/1976 | US3954606 Oxygenation |
| 04/27/1976 | US3953555 Diffuser connector for aeration header |
| 04/27/1976 | US3953554 Diffuser for aeration systems |
| 04/27/1976 | US3953553 Sewage treatment aeration systems |
| 04/27/1976 | US3953328 Separation of sludge |
| 04/27/1976 | US3953327 Anoxic denitrification |
| 04/27/1976 | US3953326 Oxygen aeration system for contaminated liquids |
| 04/20/1976 | US3951817 Sewage treatment tank and tube settler |
| 04/20/1976 | US3951804 Aerated sewerage disposal |
| 04/20/1976 | US3951803 Marine sewage disposal device |
| 04/20/1976 | US3951795 Process and apparatus for treating fatty waste water |
| 04/20/1976 | US3951788 Sludge control and decant system |
| 04/20/1976 | US3951758 Method of operating a purifying plant and tank for practicing said method |
| 04/20/1976 | US3951344 Radial jet aerator module |
| 04/13/1976 | US3950249 Sanitary waste treatment plant |
| 04/06/1976 | US3948774 Water purification process and apparatus |
| 04/06/1976 | US3948492 Centrifugal mixing apparatus and method |
| 03/30/1976 | US3947530 Self-priming centrifugal pump |
| 03/30/1976 | US3947359 Aeration and mixing of liquids |
| 03/30/1976 | US3947358 Method for biologically treating sewage and an installation for carrying out the method |
| 03/23/1976 | US3945922 Installation for charging liquids, particularly fermentation liquids, with gas |
| 03/23/1976 | US3945918 Methods and apparatus for treating a liquid with a gas |
| 03/23/1976 | US3945916 Waste water treatment |
| 03/09/1976 | US3943055 Process for purification of industrial waste waters from perchlorates and chlorates |
| 03/02/1976 | US3941692 Cleaning of cargo compartments |
| 03/02/1976 | US3941691 Method of biological purification of industrial effluents from chromates and bichromates |
| 02/24/1976 | US3940461 Liquid aeration method and pump apparatus with stationary vanes and downward flow |
| 02/24/1976 | US3940333 Process for physically and biologically purifying sewage |
| 02/24/1976 | US3940332 With norcardia rubropertincta |
| 02/17/1976 | US3939068 Process for treating waste water containing cellulose nitrate particles |
| 02/17/1976 | US3939067 Method and apparatus for treating sewage |
| 02/17/1976 | US3939066 Sewage treatment process |
| 02/03/1976 | US3936382 Fluid eductor |
| 02/03/1976 | US3936381 Sewage treatment apparatus |
| 01/20/1976 | US3933641 Sewage treatment and recycling system |
| 01/20/1976 | US3933640 Methods and apparatus for treating wastewater |
| 01/20/1976 | US3933629 Oxygenation to promote the activity of microorganisms |
| 01/20/1976 | US3933628 Using solar energy |
| 01/20/1976 | US3933627 Process for biologically eliminating organic waste matter |
| 01/20/1976 | US3933590 Method of continuously culturing yeast |
| 01/13/1976 | US3932278 Backwashing sand sewage treatment |
| 01/13/1976 | US3932273 Method for the primary and secondary treatment of wastewater in a unitary apparatus |
| 01/06/1976 | US3931370 Double funnel with baffle cascade aeration unit |
| 01/06/1976 | US3930998 Wastewater treatment |