| 7553418 |
Method for water filtration |
Rocco Palazzolo, James R. Stafford |
2009-06-30 |
| 6984323 |
Biological treatment process |
— |
2006-01-10 |
| 6220822 |
Airlift |
— |
2001-04-24 |
| 6048459 |
Method and apparatus for fluidization of particulate bed materials |
— |
2000-04-11 |
| 6015496 |
In-sewer treatment of wastewater and sludges |
— |
2000-01-18 |
| 5919367 |
Biological-abiotic waste treatment |
— |
1999-07-06 |
| 5879555 |
Electrochemical treatment of materials |
— |
1999-03-09 |
| 5846424 |
Biological treatment of materials |
— |
1998-12-08 |
| 5798043 |
Control of anaerobic wastewater treatment |
— |
1998-08-25 |
| 5698102 |
Lamellar separator |
— |
1997-12-16 |
| 5616241 |
Treatment of wastewater and sludges |
— |
1997-04-01 |
| 5564861 |
Thermal method of in-situ soil treatment |
— |
1996-10-15 |
| 5514277 |
Treatment of wastewater and sludges |
— |
1996-05-07 |
| 5348629 |
Method and apparatus for electrolytic processing of materials |
— |
1994-09-20 |
| RE34298 |
Method for waste disposal |
Gregory M. Gitman |
1993-06-29 |
| 4861262 |
Method and apparatus for waste disposal |
Gregory M. Gitman |
1989-08-29 |
| 4482510 |
Self-propelled jet aerator |
— |
1984-11-13 |
| 4472358 |
Packing for fluidized bed reactors |
— |
1984-09-18 |