| 5601704 |
Automatic feedback control system for a water treatment apparatus |
Frank Morenski |
1997-02-11 |
| 5403492 |
Ion exchange resin having dual morphology |
Robert Kunin |
1995-04-04 |
| 5397477 |
Ion exchange resin having dual morphology |
Robert Kunin |
1995-03-14 |
| 5376278 |
Filter and a method for separating charged particles from a liquid stream |
— |
1994-12-27 |
| 5207905 |
Baffle assembly for air and water backwash of a media filter |
Michael J. O'Brien |
1993-05-04 |
| 5192446 |
Cation exchange resins having an enhanced capacity for iron oxides |
Robert Kunin |
1993-03-09 |
| 5022997 |
Method for treating aqueous solutions |
Bruce L. Libutti, Robert Kunin |
1991-06-11 |
| 4863498 |
Deaerator unit |
Alfonse J. Soriente, Jay Clifford Crosman, Sam Frisch |
1989-09-05 |
| 4629571 |
Deoxygenation and purification of liquids |
Robert Kunin |
1986-12-16 |
| 4622141 |
Method and apparatus for withdrawing a layer of material from a vessel |
Raymond J. Muller, Stanley T. Stracey |
1986-11-11 |
| 4572742 |
Precoat filter and method for neutralizing sugar syrups |
Robert Kunin |
1986-02-25 |
| 4568466 |
Method for pretreating aqueous solutions with weakly acidic cation exchange resins |
Robert Kunin |
1986-02-04 |
| 4564455 |
Three component resin system and method for purifying aqueous solutions |
George C. Flynn, Robert Kunin |
1986-01-14 |
| 4548717 |
Method for treating aqueous solutions with weakly acidic cation exchange resins |
Robert Kunin |
1985-10-22 |
| 4547291 |
Method for treating aqueous solutions with weakly acidic cation exchange resins |
Robert Kunin |
1985-10-15 |
| 4388417 |
Regeneration of deep bed condensate polishers |
Peter E. Down |
1983-06-14 |