Severn Trent Services

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrolytic cell
- Patent number 8,608,916
- Issue date Dec 17, 2013
- Severn Trent Services Limited
- Julian Routh
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Water filtration apparatus
- Patent number 8,177,970
- Issue date May 15, 2012
- Severn Trent Services, Limited
- Nigel Paul Thoresby Bradley
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for continuous ion exchange
- Patent number 7,273,555
- Issue date Sep 25, 2007
- Severn Trent Services, Inc.
- Richard S. Dennis
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Water Filtration Apparatus
- Publication number 20100089810
- Publication date Apr 15, 2010
- SEVERN TRENT SERVICES LIMITED
- Nigel Paul Thoresby Bradley
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process for continuous ion exchange
- Publication number 20050127003
- Publication date Jun 16, 2005
- Severn Trent Services, Inc.
- Richard S. Dennis
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Trademarklast 30 trademarks

Information Trademark
76649442 - ELA
- Serial number 76649442
- Registration number 3152681
- Filing date Oct 31, 2005
- Severn Trent Services, Inc.
- 35 - Advertising
Information Trademark
78185921 - SORB 33
- Serial number 78185921
- Registration number 2940701
- Filing date Nov 17, 2002
- Severn Trent Services, Inc.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
76432356 - AIR SCOURING
- Serial number 76432356
- Filing date Jul 19, 2002
- Severn Trent Services
- 37 - Building construction