| SAFETY LOCK TECHNOLOGY Invent Umwelt-und Verfahrenstechnik AG
78857587 10 Apr 2006 | on 29 Aug 2018
| Electric mixers for waste water; mechanical mixing machines; mixing to... Class 007 Class 007 Machinery Products Electric mixers for waste water; mechanical mixing machines; mixing tools for the connection to the aforementioned mixers or mixing machines, in particular hyperbolid-mixers to be detachably mounted to a mixing-shaft for purposes of mixing waste water | | | PROGRESSIVE FIN TECHNOLOGY Invent Umwelt-und Verfahrenstechnik AG
78857592 10 Apr 2006 | on 04 Aug 2018
| Electric mixers for waste water; mechanical mixing machines; mixing to... Class 007 Class 007 Machinery Products Electric mixers for waste water; mechanical mixing machines; mixing tools for the connection to the aforementioned mixers or mixing machines, in particular hyperbolid-mixers to be detachably mounted to a mixing-shaft for purposes of mixing waste water | | | EPURE Invent Umwelt-und Verfahrenstechnik AG
77899846 23 Dec 2009 | on 25 Oct 2010 | machine devices and apparatuses for cleaning of waste water constructi... Class 007 Class 007 Machinery Products aeration devices, namely, aerators for waste water and waste water purification units; devices for water treatment, namely, thickening and dewatering machines for use in the treatment of waste water; devices for mixing and aerating of waste water and return mud for effecting biological waste water treatment processes, namely, mixers and stirrers Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) machine devices and apparatuses for cleaning of waste water construction and sewage plants, namely, electrical sewage and wastewater treatment apparatus and instruments, namely, stirrers, hyperboloid stirrers, mixers and propellers, drawing devices for stirrers, submersible motors for mixing tools, fillings for trickling filters, machine waste water pumps, mud pumps, machine fluid circulating pumps, sewage and sludge pumps, agitators, all for the use in the automatic operation of sewage clarification plants and wastewater treatment plants; electrical sewage and wastewater treatment apparatus and instruments, namely, stirrers, hyperboloid stirrers, mixers and propellers, drawing devices for stirrers, submersible motors for mixing tools, fillings for trickling filters, machine waste water pumps, mud pumps, machine fluid circulating pumps, sewage and sludge pumps, agitators, all for the use in the automatic operation of facilities for mixing and aeration of sewage, floating sludge, and return sludge as part of a biological sewage purification process | | 
