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| Patents for B01D 50 - Combinations of devices for separating particles from gases or vapours (13,509) |
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| 08/03/1976 | US3972518 Cupola emission control system | | 07/27/1976 | US3971642 Gas scrubber | | 07/13/1976 | US3969093 Cyclonic gas scrubbing system | | 06/01/1976 | US3960526 Particle separating apparatus | | 04/20/1976 | US3951627 Air filtering apparatus | | 04/06/1976 | US3948627 Filtering, washing, and cooling gases | | 01/27/1976 | US3934990 Air cooler and cleaner for compressed air | | 01/20/1976 | US3933450 Purifier for the physical-chemical treatment of combustion gases and other gases containing polluting or noxious constituents | | 01/13/1976 | US3932151 Spray booth |
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