Patents by Inventor Santhosh K. Ramalingam
Santhosh K. Ramalingam 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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Publication number: 20210268448Abstract: Provided is a filter screen having a plurality of slots, each slot having a longest principal axis A1 that has a length L, and each slot having a second axis A2 that is perpendicular to A1 and that has a length W, wherein the distance between adjacent slots in the direction of the axes A2 is XP; wherein XP is greater than W; wherein the distance between adjacent slots in the direction of the axes A1 is YP; either wherein L is 800 micrometers or less and XP is 350 micrometers or less, or wherein L is 1600 ?m or less and XP is 180 ?m or less. Also provided is a method of filtering feed water using such a filter screen.Type: ApplicationFiled: July 10, 2019Publication date: September 2, 2021Inventors: Abhishek SHRIVASTAVA, Scott T. BURR, Piyush SONI, Laura J. DIETSCHE, Santhosh K. RAMALINGAM
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Patent number: 9393532Abstract: A method for making an emulsion using a rotating membrane device (10) including: i) a membrane assembly (12) including a cylindrical porous surface (14) enclosing an inner chamber (16) concentrically positioned about an axis (X), ii) a vane assembly (18) including a plurality of vanes (20) extending along the axial length (L) of the porous surface (14) of the membrane assembly (12), wherein the vanes (24) comprise a shear surface (24) located within 1 mm of the porous surface (14), and iii) a vessel (22) enclosing the membrane and vane assemblies (12, 18); wherein the method includes the step of moving a dispersible liquid phase (26) through the porous surface (14) into a continuous liquid phase (28) while rotating at least one of the vane assembly (18) or membrane assembly (12) relative to the other about the axis (X) such that the shear surfaces (24) exert shear forces upon the dispersible liquid phase (26) passing through the porous surface (14) to form droplets (30) of a dispersed liquid phase having aType: GrantFiled: January 27, 2014Date of Patent: July 19, 2016Inventors: Santhosh K. Ramalingam, Aaron Sarafinas
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Publication number: 20150352506Abstract: A method for making an emulsion using a rotating membrane device (10) including: i) a membrane assembly (12) including a cylindrical porous surface (14) enclosing an inner chamber (16) concentrically positioned about an axis (X), ii) a vane assembly (18) including a plurality of vanes (20) extending along the axial length (L) of the porous surface (14) of the membrane assembly (12), wherein the vanes (24) comprise a shear surface (24) located within 1 mm of the porous surface (14), and iii) a vessel (22) enclosing the membrane and vane assemblies (12, 18); wherein the method includes the step of moving a dispersible liquid phase (26) through the porous surface (14) into a continuous liquid phase (28) while rotating at least one of the vane assembly (18) or membrane assembly (12) relative to the other about the axis (X) such that the shear surfaces (24) exert shear forces upon the dispersible liquid phase (26) passing through the porous surface (14) to form droplets (30) of a dispersed liquid phase having aType: ApplicationFiled: January 27, 2014Publication date: December 10, 2015Applicants: ROHM AND HAAS COMPANY, DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS COMPANY, DOW GLOBAL TECHNOLOGIES LLCInventors: Santhosh K. Ramalingam, Aaron Sarafinas
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Publication number: 20150343334Abstract: A hydroclone (10) including a tank (12) having a fluid inlet (14), a filtered fluid outlet (16), an effluent outlet (18), a process fluid outlet (20) and an inner peripheral wall (22) positioned about an axis (X) and enclosing a plurality of aligned chambers including: i) a vortex chamber (24) in fluid communication with the fluid inlet (14), a filter assembly (26) located within the vortex chamber (24) and enclosing a filtrate chamber (46), a fluid pathway (28) extending from the fluid inlet (14) and about the filter assembly (26) which is adapted to generate a vortex fluid flow about the filter assembly (26), wherein the filtrate chamber (46) is in fluid communication with the filtered fluid outlet (16) such that fluid passing through the filter assembly (26) enters the filtrate chamber (46) and may exit the tank (12) by way of the filtered fluid outlet (16), and ii) an effluent separation chamber (30) in fluid communication with the vortex chamber (24) and which is adapted for receiving unfiltered fluid thType: ApplicationFiled: May 22, 2013Publication date: December 3, 2015Applicant: Dow Global Technologies LLCInventors: Steven D. JONS, Santhosh K. RAMALINGAM
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Patent number: 9192946Abstract: A hydroclone including: a vortex chamber (24) in fluid communication with the inlet (14), a process fluid chamber (32) in fluid communication with the process fluid outlet (20), an effluent separation chamber (30) located between the vortex chamber (24) and process fluid chamber (32) and including an outer circumferential surface (23), a vortex flow barrier (34) located between the vortex chamber (24) and the effluent separation chamber (30), an effluent barrier (36) located between the effluent separation chamber (30) and the process fluid chamber (32) including at least one opening (42?) near the outer circumferential surface (23), and an effluent opening (38) centrally located within the effluent separation chamber (30) in fluid communication with the effluent outlet (18); wherein the effluent separation chamber (30) has a median distance (80) between the vortex flow barrier (34) and effluent barrier (36) which is adjustable.Type: GrantFiled: October 9, 2013Date of Patent: November 24, 2015Assignee: Dow Global Technologies LLCInventors: Santhosh K. Ramalingam, Christopher J. Siler, Steven D. Jons
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Patent number: 9186604Abstract: A hydroclone (10) including a tank (12) having a fluid inlet (14), a filtered fluid outlet (16), an effluent outlet (18), a process fluid outlet (20) and an inner peripheral wall (22) positioned about an axis (X) and enclosing a plurality of aligned chambers including: i) a vortex chamber (24) in fluid communication with the fluid inlet (14), a filter assembly (26) located within the vortex chamber (24) and enclosing a filtrate chamber (46), a fluid pathway (28) extending from the fluid inlet (14) and about the filter assembly (26) which is adapted to generate a vortex fluid flow about the filter assembly (26), wherein the filtrate chamber (46) is in fluid communication with the filtered fluid outlet (16) such that fluid passing through the filter assembly (26) enters the filtrate chamber (46) and may exit the tank (12) by way of the filtered fluid outlet (16), and ii) an effluent separation chamber (30) in fluid communication with the vortex chamber (24) and which is adapted for receiving unfiltered fluid thType: GrantFiled: May 22, 2013Date of Patent: November 17, 2015Assignee: Dow Global Technologies LLCInventors: Steven D. Jons, Santhosh K. Ramalingam
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Publication number: 20150224517Abstract: A hydroclone including: a vortex chamber (24) in fluid communication with the inlet (14), a process fluid chamber (32) in fluid communication with the process fluid outlet (20), an effluent separation chamber (30) located between the vortex chamber (24) and process fluid chamber (32) and including an outer circumferential surface (23), a vortex flow barrier (34) located between the vortex chamber (24) and the effluent separation chamber (30), an effluent barrier (36) located between the effluent separation chamber (30) and the process fluid chamber (32) including at least one opening (42?) near the outer circumferential surface (23), and an effluent opening (38) centrally located within the effluent separation chamber (30) in fluid communication with the effluent outlet (18); wherein the effluent separation chamber (30) has a median distance (80) between the vortex flow barrier (34) and effluent barrier (36) which is adjustable.Type: ApplicationFiled: October 9, 2013Publication date: August 13, 2015Applicants: Filmtec Corporation, The Dow Chemical Company, Dow Global Technologies LLCInventors: Santhosh K. Ramalingam, Christopher J. Siler, Steven D. Jons