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Inventor:
Krupenkin; Thomas Nikita
Address:
Warren, NJ
No. of patents:
16
Patents:












Patent Number Title Of Patent Date Issued
8287808 Surface for reversible wetting-dewetting October 16, 2012
An apparatus comprising a plurality of closed-cells on a substrate surface. Each of the closed-cells comprise one or more internal walls that divide an interior of each of the closed-cells into a single first zone and a plurality of second zones. The first zone occupies a larger area
8247028 Method of using closed cell surfaces with enhanced drag-reduction properties August 21, 2012
A method of controlling the flow resistance of a fluid disposed on a surface of a substrate. The method comprises contacting a fluid with a plurality of cells on a substrate and adjusting amounts of a surfactant and a medium in the fluid to thereby form a foam layer contacting the wa
8097464 Chemical and biological detection arrays January 17, 2012
Device comprising: a first substrate; a plurality of first raised elements on the first substrate, the first raised elements mutually spaced apart by first channel regions on the first substrate, each of the first raised elements having a first distal end, the first distal ends formi
8084116 Surfaces physically transformable by environmental changes December 27, 2011
An apparatus includes a substrate having a top surface, a substantially regular array of raised structures located over the top surface, and a layer located on the top surface between the structures. Distal surfaces of the structures are farther from the top surface than remaining po
7998559 Super-phobic surface structures August 16, 2011
Superlyophobic Surface Structure, including a substrate having a surface; a plurality of nanoscale raised features on the substrate surface, each nanoscale raised feature having a length measured in a direction approximately perpendicular to the substrate surface, each nanoscale rais
7998431 Environmentally sensitive nanostructured surfaces August 16, 2011
An apparatus comprising a substrate having a surface with a volume-tunable-material on the surface and fluid-support-structures over the surface and partially embedded in the volume-tunable-material. Each of said fluid-support-structures has at least one dimension of about 1 millimet
7884530 Reversible actuation in arrays of nanostructures February 8, 2011
The present invention provides, in one embodiment, an apparatus. The apparatus, without limitation, may include a substrate with a surface, and a polymer layer attached to a region of the surface. The apparatus may further include a plurality of nanostructures, a first end of each na
7883665 Chemical and biological detection arrays February 8, 2011
Device comprising: a first substrate; a plurality of first raised elements on the first substrate, the first raised elements mutually spaced apart by first channel regions on the first substrate, each of the first raised elements having a first distal end, the first distal ends forming a
7700183 Closed cell surfaces with enhanced drag-reduction properties April 20, 2010
An apparatus, comprising a plurality of closed cells disposed on a surface of a substrate. Each of the closed cells has at least one dimension that is less than about 1 millimeter and are configured to hold a medium therein. The apparatus also comprises a foam that contacts the closed
7695550 Structured membrane with controllable permeability April 13, 2010
An apparatus that comprises a membrane having a plurality of fluid-support-structures and openings located between the fluid-support-structures. The fluid-support-structures have at least one dimension that that is about 1 millimeter or less. The apparatus also comprises a wicking ma
7554046 Liquid switch June 30, 2009
An apparatus comprising a liquid switch. The liquid switch comprises a substrate having a surface with first and second regions thereon and a fluid configured to contact both of the regions. The regions each comprise electrically connected fluid-support-structures, wherein each of th
7535692 Multilevel structured surfaces May 19, 2009
An apparatus comprising a substrate having a surface with electrically connected and electrically isolated fluid-support-structures thereon. Each of the fluid-support-structures have at least one dimension of about 1 millimeter or less. The electrically connected fluid-support-structures
7525722 Liquid mirror April 28, 2009
An apparatus that comprises a liquid mirror. The liquid mirror includes a liquid that forms an interface with a fluid adjacent to the liquid. The liquid mirror also includes a layer of reflective particles located at the interface, wherein the layer forms a reflective surface.
7449649 Liquid switch November 11, 2008
An apparatus comprising a liquid switch. The liquid switch comprises a substrate having a surface with first and second regions thereon and a fluid configured to contact both of the regions. The regions each comprise electrically connected fluid-support-structures, wherein each of th
7358833 Method and apparatus for signal processing using electrowetting April 15, 2008
An apparatus comprising a tuning device having at least one control electrode and a ground electrode located over a substrate and an electrically conductive fluid in contact with the control and ground electrodes. The tuning device also has at least one electrical transmission line e
7204298 Techniques for microchannel cooling April 17, 2007
Techniques for heat transfer are provided. In one aspect of the invention, a heat-transfer device is provided. The heat-transfer device comprises one or more microchannels suitable for containing a heat-transfer fluid, one or more of the microchannels having protruding structures on at l










 
 
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