Patents by Inventor Rajan G. Rajan
Rajan G. Rajan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9090483Abstract: The invention provides a water dispensing system comprising a container having a first region adapted to store unfiltered water, a second region adapted to store filtered water, and a spout region, a meter housing adapted to receive a water meter, a reservoir disposed within the first region of the container, a filter coupled to the reservoir, the filter being adapted to filter water flowing from the reservoir into the second region of the container, a valve assembly disposed in the second region of the container, the valve assembly being adapted to dispense filtered water from the second region of the container, and a lid coupled to the reservoir. In addition, the invention provides a system for filtering and testing water, comprising a water filtering system used in combination with a water meter for testing the quality of the effluent.Type: GrantFiled: August 15, 2008Date of Patent: July 28, 2015Assignee: ZERO TECHNOLOGIES, LLCInventors: Rajan G. Rajan, Mathu Rajan, Raja Rajan, Ken Williams
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Patent number: 9067805Abstract: The invention provides a water dispensing system comprising a container having a first region adapted to store unfiltered water, a second region adapted to store filtered water, and a spout region, a meter housing adapted to receive a water meter, a reservoir disposed within the first region of the container, a filter coupled to the reservoir, the filter being adapted to filter water flowing from the reservoir into the second region of the container, a valve assembly disposed in the second region of the container, the valve assembly being adapted to dispense filtered water from the second region of the container, and a lid coupled to the reservoir. In addition, the invention provides a system for filtering and testing water, comprising a water filtering system used in combination with a water meter for testing the quality of the effluent.Type: GrantFiled: February 19, 2009Date of Patent: June 30, 2015Assignee: ZERO TECHNOLOGIES, LLCInventors: Rajan G. Rajan, Mathu Rajan, Raja Rajan, Ken Williams
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Patent number: 8252185Abstract: A water treatment apparatus includes a housing comprising multiple housing portions and a plurality of treatment sections disposed within the housing, each treatment section comprising at least one distinct particulate layer. The apparatus is designed so that no water pressure need be applied to force the water through the apparatus, as gravity pulls the water down through the filtering layers. Water may also be force fed through the treatment apparatus; when the water is force fed, the housing portions need not be vertically stacked, but may be configured in any suitable arrangement. The treatment sections are distributed through the various housing portions in logical groups to perform various kinds of filtering. The housing portions are detachable and sealably stackable in multiple configurations, thus passing water through more or fewer treatment layers, depending on the quality of the incoming water.Type: GrantFiled: August 18, 2008Date of Patent: August 28, 2012Assignee: Zero Technologies, Inc.Inventors: Rajan G. Rajan, Mathu G. Rajan
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Publication number: 20120048787Abstract: The invention provides a water dispensing system comprising a container having a first region adapted to store unfiltered water, a second region adapted to store filtered water, and a spout region, a meter housing adapted to receive a water meter, a reservoir disposed within the first region of the container, a filter coupled to the reservoir, the filter being adapted to filter water flowing from the reservoir into the second region of the container, a valve assembly disposed in the second region of the container, the valve assembly being adapted to dispense filtered water from the second region of the container, and a lid coupled to the reservoir. In addition, the invention provides a system for filtering and testing water, comprising a water filtering system used in combination with a water meter for testing the quality of the effluent.Type: ApplicationFiled: February 19, 2009Publication date: March 1, 2012Applicant: ZERO TECHNOLOGIES, INC.Inventors: Rajan G. Rajan, Mathu Rajan, Raja Rajan, Ken Williams
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Publication number: 20120018357Abstract: The invention provides a water dispensing system comprising a container having a first region adapted to store unfiltered water, a second region adapted to store filtered water, and a spout region, a meter housing adapted to receive a water meter, a reservoir disposed within the first region of the container, a filter coupled to the reservoir, the filter being adapted to filter water flowing from the reservoir into the second region of the container, a valve assembly disposed in the second region of the container, the valve assembly being adapted to dispense filtered water from the second region of the container, and a lid coupled to the reservoir. In addition, the invention provides a system for filtering and testing water, comprising a water filtering system used in combination with a water meter for testing the quality of the effluent.Type: ApplicationFiled: August 15, 2008Publication date: January 26, 2012Applicant: ZERO TECHNOLOGIES, INC.Inventors: Rajan G. Rajan, Mathu Rajan, Raja Rajan, Ken Williams
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Publication number: 20080302714Abstract: A water treatment apparatus includes a housing comprising multiple housing portions and a plurality of treatment sections disposed within the housing, each treatment section comprising at least one distinct particulate layer. The apparatus is designed so that no water pressure need be applied to force the water through the apparatus, as gravity pulls the water down through the filtering layers. Water may also be force fed through the treatment apparatus; when the water is force fed, the housing portions need not be vertically stacked, but may be configured in any suitable arrangement. The treatment sections are distributed through the various housing portions in logical groups to perform various kinds of filtering. The housing portions are detachable and sealably stackable in multiple configurations, thus passing water through more or fewer treatment layers, depending on the quality of the incoming water.Type: ApplicationFiled: August 18, 2008Publication date: December 11, 2008Applicant: ZERO TECHNOLOGIES, INC.Inventors: Rajan G. RAJAN, Mathu G. RAJAN
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Patent number: 7413663Abstract: A water treatment apparatus includes a housing comprising multiple housing portions and a plurality of treatment sections disposed within the housing, each treatment section comprising at least one distinct particulate layer. The apparatus is designed so that no water pressure need be applied to force the water through the apparatus, as gravity pulls the water down through the filtering layers. Water may also be force fed through the treatment apparatus; when the water is force fed, the housing portions need not be vertically stacked, but may be configured in any suitable arrangement. The treatment sections are distributed through the various housing portions in logical groups to perform various kinds of filtering. The housing portions are detachable and sealably stackable in multiple configurations, thus passing water through more or fewer treatment layers, depending on the quality of the incoming water.Type: GrantFiled: August 29, 2007Date of Patent: August 19, 2008Assignee: Zero Technologies, Inc.Inventors: Rajan G. Rajan, Mathu G. Rajan
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Publication number: 20040094465Abstract: A water treatment apparatus includes a housing comprising multiple housing portions and a plurality of treatment sections disposed within the housing, each treatment section comprising at least one distinct particulate layer. The apparatus is designed so that no water pressure need be applied to force the water through the apparatus, as gravity pulls the water down through the filtering layers. Water may also be force fed through the treatment apparatus; when the water is force fed, the housing portions need not be vertically stacked, but may be configured in any suitable arrangement. The treatment sections are distributed through the various housing portions in logical groups to perform various kinds of filtering. The housing portions are detachable and sealably stackable in multiple configurations, thus passing water through more or fewer treatment layers, depending on the quality of the incoming water.Type: ApplicationFiled: April 8, 2003Publication date: May 20, 2004Inventors: Rajan G. Rajan, Mathu Rajan
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Patent number: 6572769Abstract: A water treatment apparatus including a housing comprising multiple housing portions and a plurality of treatment sections disposed within the housing, each treatment section comprising at least one distinct particulate layer. The apparatus is designed so that no water pressure need be applied to force the water through the apparatus, as gravity pulls the water down through the filtering layers. Water may also be force fed through the treatment apparatus; when the water is force fed, the housing portions need not be vertically stacked, but may be configured in any suitable arrangement. The treatment sections are distributed through the various housing portions in logical groups to perform various kinds of filtering. The housing portions are detachable and sealably stackable in multiple configurations, thus passing water through more or fewer treatment layers, depending on the quality of the incoming water.Type: GrantFiled: September 14, 2001Date of Patent: June 3, 2003Inventors: Rajan G. Rajan, Mathu G. Rajan
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Publication number: 20020117436Abstract: A water treatment apparatus including a housing comprising multiple housing portions and a plurality of treatment sections disposed within the housing, each treatment section comprising at least one distinct particulate layer. The apparatus is designed so that no water pressure need be applied to force the water through the apparatus, as gravity pulls the water down through the filtering layers. Water may also be force fed through the treatment apparatus; when the water is force fed, the housing portions need not be vertically stacked, but may be configured in any suitable arrangement. The treatment sections are distributed through the various housing portions in logical groups to perform various kinds of filtering. The housing portions are detachable and sealably stackable in multiple configurations, thus passing water through more or fewer treatment layers, depending on the quality of the incoming water.Type: ApplicationFiled: September 14, 2001Publication date: August 29, 2002Inventors: Rajan G. Rajan, Mathu G. Rajan
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Patent number: 5635063Abstract: Water treatment apparatus includes a two-piece housing and a stack of discrete filtering layers disposed within the housing including a layer of silver impregnated carbon, a layer of pentavalent iodine impregnated resins and at least one layer of a mixed bed activated resin. The apparatus is designed so that no water pressure need be applied to force the water through the apparatus, as gravity pulls the water down through the filtering layers.Type: GrantFiled: September 26, 1994Date of Patent: June 3, 1997Inventors: Rajan G. Rajan, Mathu Rajan
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Patent number: D620304Type: GrantFiled: August 15, 2008Date of Patent: July 27, 2010Assignee: Zero Technologies, LLCInventors: Rajan G. Rajan, Mathu Rajan, Raja Rajan, Ken Williams