| Patents for C23G 3 - Apparatus for cleaning or pickling metallic material (2,739) |
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| 01/09/1979 | US4133773 Apparatus for making foamed cleaning solutions and method of operation |
| 01/09/1979 | US4133340 Cleaning machine for simultaneously cleaning the interior and exterior of hollow articles |
| 12/19/1978 | US4130446 Process for phosphate conversion coating with treatment of rinse water by reverse osmosis and ion exchange |
| 11/21/1978 | CA1042737A1 Treatment of workpieces through successive immersions in at least two baths, and plant for achieving said treatment |
| 10/24/1978 | CA1040985A1 Method of and apparatus for patenting wire |
| 10/10/1978 | US4119109 Apparatus for treating strip |
| 09/12/1978 | US4112937 Gas operated reciprocating cleaning agitator |
| 09/05/1978 | CA1037744A1 Combination pickling-rolling mill |
| 07/18/1978 | US4101438 Sulfonium compounds as corrosion inhibitors in aqueous acidic cleaning solutions |
| 07/04/1978 | US4098225 Environmental, small-part continuous washing apparatus |
| 06/06/1978 | US4093472 Apparatus for cleaning strip |
| 04/04/1978 | US4082867 Oil emulsion removal and recovery of oil |
| 03/14/1978 | US4078942 Method and apparatus for cleaning strip in a molten salt bath |
| 03/07/1978 | US4077997 Sequestering agents, basic catalyst, saponification |
| 01/10/1978 | US4067561 Arrangement for pickling bundled material |
| 01/10/1978 | US4067293 Plant for surface treating, in particular pickling and phosphatizing, metallic work pieces |
| 12/27/1977 | US4064884 Method and device for stripping off, washing and drying surface treated objects in long lengths such as strip, wire, rod, sections or fibres |
| 12/13/1977 | US4062437 Conveyor equipment for surface treatment of workpieces |
| 11/01/1977 | US4056428 Process for etching inner surface of pipe or tube |
| 11/01/1977 | US4056368 Method and apparatus for degassing gas contaminated particulate material |
| 06/21/1977 | US4030521 Method for liquid level control |
| 06/07/1977 | US4028055 Saturated aliphatic triamines |
| 05/31/1977 | US4026724 Method for treatment of elongated flexible material |
| 05/31/1977 | US4026450 Apparatus for treatment of elongated flexible material |
| 04/05/1977 | US4015615 Fluid application system |
| 02/15/1977 | US4007750 Acid resistant tank |
| 01/11/1977 | US4002250 Automatic unloading metal pickling rack |
| 11/16/1976 | US3991986 Fluid quench housing assembly with external flow adjustment |
| 10/26/1976 | US3988254 Aluminum with hydrogen peroxy-monosulfate hydrogen sulfate |
| 07/27/1976 | US3971539 Method for preventing the adhesive deposition of sludge on the surface of parts of a plant for treating metal surfaces |
| 07/06/1976 | US3967632 Arrangement for the fluid treatment, especially etching, of objects in assembly-line-like fashion |
| 06/29/1976 | US3965711 Devices for continuously displacing a filamentary material in a treatment installation |
| 06/01/1976 | US3960573 A precious metal and a group 4 metal |
| 05/11/1976 | US3955946 Adsorption device |
| 04/27/1976 | US3952698 Can treating system |
| 04/20/1976 | US3951322 Method and apparatus for the treatment of flexible material |
| 03/30/1976 | US3947343 Electrotinning wire |
| 03/16/1976 | US3944189 Door opening and closing apparatus for tumbling barrel |
| 02/17/1976 | US3938214 Cascade rinsing system and method |