| 9086037 |
Tank ventilation with a venturi nozzle |
— |
2015-07-21 |
| 5797972 |
Sewage sludge disposal process and product |
— |
1998-08-25 |
| 5711768 |
Sewage sludge disposal process and product |
— |
1998-01-27 |
| 5437213 |
Device for manufacturing uniform sheets from material panels |
— |
1995-08-01 |
| 5431702 |
Waste conversion process and products |
— |
1995-07-11 |
| 5245113 |
Decontamination of PCB contaminated solids |
— |
1993-09-14 |
| 5125931 |
Sewage sludge disposal process and apparatus |
— |
1992-06-30 |
| 5074890 |
Process for the thermal decomposition of toxic refractory organic substances |
— |
1991-12-24 |
| 4950309 |
Process for the conversion of toxic organic substances to useful products |
— |
1990-08-21 |
| 4869731 |
Process for the thermal decomposition of toxic refractory organic substances |
— |
1989-09-26 |
| 4752386 |
Filter apparatus having filter elements shiftable between filtering and backwashing positions |
Helmut Bacher, Georg Wendelin |
1988-06-21 |
| 4444080 |
Tool for making rows of perforations in paper webs or the like |
— |
1984-04-24 |
| 4386892 |
Hydrostatic meshing gear machine with arcuate tooth flanks |
Bodo Stich, Horst Fischer |
1983-06-07 |
| 4362212 |
Method for enhanced petroleum oil recovery |
— |
1982-12-07 |
| 4340397 |
Slagging gasifier |
— |
1982-07-20 |
| 4246978 |
Propulsion system |
Gerald A. Domoto |
1981-01-27 |
| 4225457 |
Briquette comprising caking coal and municipal solid waste |
— |
1980-09-30 |
