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Patent • #US12070793B1. The casting material may be formed around the casting core using a variety of conventional casting techniques including direct liquid metal infiltration, pressure assisted casting, and centrifugal casting among others.

Patent • #US8897609B1. A frequency selective infrared (IR) photodetector having a predetermined frequency band. The exemplary frequency selective photodetector includes: a dielectric IR absorber having a first surface and a second surface substantially parallel to the first surface; an electrode electrically coupled to the first surface of the dielectric IR absorber; and...

Patent • #US8452134B1. A frequency selective infrared (IR) photodetector having a predetermined frequency band. The exemplary frequency selective photodetector includes: a dielectric IR absorber having a first surface and a second surface substantially parallel to the first surface; an electrode electrically coupled to the first surface of the dielectric IR absorber; and...

Patent • #US10317300B1. Described herein is an apparatus that includes a varactor and an inductor to form a resonant circuit that oscillates at a resonant frequency. The resonant frequency is a function of a pressure of a gas within an aperture of the varactor. In some embodiment, the varactor includes a first...

Patent • #US11781958B2. The present invention relates, in part, to systems for characterizing force (e.g., friction, wear, and/or torque). In one embodiment, the system allows for wear testing of samples in a high throughput manner. In another embodiment, the system allows for torque sensing in a non-contact manner.

Patent • #US11199485B1. The present invention relates, in part, to systems for characterizing force (e.g., friction, wear, and/or torque). In one embodiment, the system allows for wear testing of samples in a high throughput manner. In another embodiment, the system allows for torque sensing in a non-contact manner.

Patent • #US11674099B2. A fuel or fuel blending agent for an internal combustion engine includes a ketone compound that is a C4 to C10 branched acyclic ketone, cyclopentanone, or a derivative of cyclopentanone. The ketone compound may be blended with a majority portion of a fuel selected from the group consisting of:...

Patent • #US11261391B1. A fuel or fuel blending agent for an internal combustion engine includes a ketone compound that is a C4 to C10 branched acyclic ketone, cyclopentanone, or a derivative of cyclopentanone. The ketone compound may be blended with a majority portion of a fuel selected from the group consisting of:...

Patent • #US8747591B1. Generally annular full tape thickness conductors are formed in single or multiple tape layers, and then stacked to produce an annular solid conductive wall for enclosing an electromagnetic isolation cavity. The conductors may be formed using punch and fill operations, or by flowing conductor-containing material onto the tape edge...

Patent • #US10254112B1. The various embodiments presented herein relate to utilizing light in conjunction with an optical Fourier transform to examine and quantify roughness of a surface. The surface includes a plurality of flaked particles. The surface is illuminated with a light beam, wherein light reflected from the surface passes through an...

Patent • #US9202657B1. Disclosed is an encapsulated micro-diode and a method for producing same. The method comprises forming a plurality columns in the substrate with a respective tip disposed at a first end of the column, the tip defining a cathode of the diode; disposing a sacrificial oxide layer on the substrate,...

Patent • #US11203702B1. The present invention relates to functionalized polymers useful for coating surfaces, such as the internal bore of a column. In particular embodiments, such functionalized polymers provide a selective stationary phase useful for separating and detecting organophosphorous agents. Methods of using such polymers are also described herein.

Patent • #US10155674B1. The disclosure is directed to a surface having a binding component applied thereto for the adsorption or capture of pathogens and organic molecules or materials. The surface may be a component of a porous or nonporous substrate. The binding component may also bind a photocatalyst to the surface for...

Patent • #US10640395B2. The disclosure is directed to a surface having a binding component applied thereto for the adsorption or capture of pathogens and organic molecules or materials. The surface may be a component of a porous or nonporous substrate. The binding component may also bind a photocatalyst to the surface for...

Patent • #US9882113B1. The present invention relates to the use of gallium beam lithography to form superconductive structures. Generally, the method includes exposing a surface to gallium to form an implanted region and then removing material adjacent to and/or below that implanted region. In particular embodiments, the methods herein provide microstructures and...

Patent • #US11227844B1. A GaN diode EMP arrestor exhibits breakdown in <10 ns at reverse-bias voltage >20 kV. Additionally, the arrestor exhibits avalanche ruggedness at 1 kA/cm2 in a 1 mm2 device (i.e. 10 A absolute current) over a period of 500 ns following the onset of breakdown. Finally, the specific on-resistance...

Patent • #US11837432B1. A portable, compact gas delivery system can support an environmental transmission electron microscope. Environment transmission electron microscopy provides researchers a unique capability of assessing a material's surface conditions at atomic resolution in a variety of reactive and oxidizing environments. The ability to precisely control the analysis chamber's environmental conditions...

Patent • #US8579209B1. A gas powered fluid gun for propelling a stream or slug of a fluid at high velocity toward a target. Recoil mitigation is provided that reduces or eliminates the associated recoil forces, with minimal or no backwash. By launching a quantity of water in the opposite direction, net momentum...

Patent • #US9534879B1. A gas powered fluid gun for propelling a stream or slug of a fluid at high velocity toward a target. Recoil mitigation is provided by a cavitating venturi that reduces or eliminates the associated recoil forces, with minimal or no backwash. By launching a quantity of water in the...

Patent • #US9272296B1. A gas powered fluid gun for propelling a stream or slug of a fluid at high velocity toward a target. Recoil mitigation is provided that reduces or eliminates the associated recoil forces, with minimal or no backwash. By launching a quantity of water in the opposite direction, net momentum...