Patent • #US10537839B1. A media-free filter device for a supercritical fluid process is disclosed. The media-free filter device includes a first pipe section connected in flow communication with a closed-loop system for a supercritical fluid. A y-pipe segment intersects the first pipe section at an intersection joint. The intersection joint intersects at...
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Low soot stoichiometric compression-ignition combustion
Patent • #US11629661B1. A combustion system including a combustion mechanism that injects oxygenated fuel into a combustion chamber. The oxygenated fuel mixes with the intake air in the combustion chamber where the air-fuel ratio in a portion of the combustion chamber is stoichiometric. The combustion mechanism includes an ignition mechanism that ignites...
Low Temperature Gasoline Combustion
Featured Opportunity • A high-performance engine technology to replace diesel engines While electrification is playing a major role in reducing greenhouse gas (GHG) emissions from automobiles and light trucks, practical considerations are likely to make internal combustion (IC) engines the power system of choice for heavy duty (HD) line-haul trucks, some medium-duty (MD)...
Low temperature sodium battery comprising an electrochemically active molten inorganic catholyte
Patent • #US11962009B1. A high-performance electrochemically active sodium molten salt catholyte enables a dramatic reduction in molten sodium battery operating temperature from near 300° C. to less than 120° C. As an example, stable electrochemical cycling was demonstrated in a high voltage (3.65 V) sodium battery comprising a sodium iodide-gallium chloride (NaI—GaCl3)...
Low-cost, Low-energy Absorption with Porous Liquids (LEAP-L)
Featured Opportunity • LEAP-L technology offers a cost-effective, energy-efficient, and sustainable solution for gas capture and separation via the use of environmentally friendly materials The reliance on energy sources like biogases, natural gas, and fossil fuels in industrial processes has increased the release of contaminants into the atmosphere. Contaminants can contribute to long-term...
Low-dislocation-density epitatial layers grown by defect filtering by self-assembled layers of spheres
Patent • #US8425681B1. A method for growing low-dislocation-density material atop a layer of the material with an initially higher dislocation density using a monolayer of spheroidal particles to bend and redirect or directly block vertically propagating threading dislocations, thereby enabling growth and coalescence to form a very-low-dislocation-density surface of the material, and...
Low-frequency atomic electrometry
Patent • #US11585841B1. In a method of atomic electrometry, EIT spectroscopy is performed on host atoms of an alkali metal in a vapor cell. The EIT spectroscopy indicates a resonant energy of a probed Rydberg state of the host atoms. The vapor cell is exposed to an ambient electric field. A shift...
Low-inductance direct current power bus
Patent • #US10084310B1. A DC power bus having reduced parasitic inductance and higher tolerable operating temperature is disclosed. In example embodiments, a bus structure overlies a printed circuit board, and an array of capacitors is arranged on a surface of the printed circuit board distal the bus structure. The bus structure comprises...
Low-melting point heat transfer fluid
Patent • #US7922931B1. A low-melting point, heat transfer fluid comprising a mixture of LiNO3, NaNO3, KNO3, NaNO2 and KNO2 salts where the Li, Na and K cations are present in amounts of about 20-33.5 mol % Li, about 18.6-40 mol % Na, and about 40-50.3 mol % K and where the nitrate...
Low-melting point heat transfer fluid
Patent • #US7828990B1. A low-melting point, heat transfer fluid made of a mixture of five inorganic salts including about 29.1-33.5 mol % LiNO3, 0-3.9 mol % NaNO3, 2.4-8.2 mol % KNO3, 18.6-19.9 mol % NaNO2, and 40-45.6 mol % KNO2. These compositions can have liquidus temperatures below 80° C. for some compositions.
Low-melting point inorganic nitrate salt heat transfer fluid
Patent • #US7588694B1. A low-melting point, heat transfer fluid made of a mixture of four inorganic nitrate salts: 9-18 wt % NaNO3, 40-52 wt % KNO3, 13-21 wt % LiNO3, and 20-27 wt % Ca(NO3)2. These compositions can have liquidus temperatures less than 100 C; thermal stability limits greater than 500 C;...
Low-power MEMS wakeup system
Patent • #US10481672B1. There is provided a near-zero-power wakeup system in which a MEMS sensor for mechanical or acoustic signals is coupled to a very-low-power complementary metal oxide semiconductor (CMOS) application-specific integrated circuit (ASIC). Power consumption can be minimized by operating the ASIC with sub-threshold gate voltages.
Low-temperature nanosolders
Patent • #US9463532B2. A nanosolder comprises a first metal nanoparticle core coated with a second metal shell, wherein the first metal has a higher surface energy and smaller atomic size than the second metal. For example, a bimetallic nanosolder can comprise a protective Ag shell “glued” around a reactive Cu nanoparticle. As...
Lower-Cost Strengthened Glass Substrates
Featured Opportunity • Lower-cost strengthened glass substrates for smart phones, smart watches, tablets, and other durable, impact-resistant applications Glass substrates with enhanced strength and durability are in high demand for use in handheld devices and electronic displays. Currently, glass strengthening is achieved using alkali ion-exchange techniques, where high temperature molten-salt baths are used...
Lung-Targeting Nanobodies and Purification Methods
Featured Opportunity • A new approach for combating infectious disease at lower dose frequencies and amounts by directly delivering enhanced potency therapeutics Immunohistochemistry (IHC) readout of nanobodylocalization and specificity within the lung tissue The combination of high-throughput screening, functional validation assays and sophisticated bioinformatic tools to develop highly potent, neutralizing antibodies has generated...
Lung-targeting single-domain antibodies and purification methods
Patent • #US12421306B1. Disclosed herein are single-domain antibodies (sdABs) configured for targeting to human or mammalian lung tissue. Constructs and methods of using such sdABs are also described herein, such as methods of binding with and transporting other sdABs or other cargo with beneficial functionalities, binding to and transporting biochemical or pharmaceutical...
Machine Learning and Artificial Intelligence
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Magnetic agglomeration method for size control in the synthesis of magnetic nanoparticles
Patent • #US7972410B1. A method for controlling the size of chemically synthesized magnetic nanoparticles that employs magnetic interaction between particles to control particle size and does not rely on conventional kinetic control of the reaction to control particle size. The particles are caused to reversibly agglomerate and precipitate from solution; the size...
Magnetic electrical contact sensor
Patent • #US12140645B1. A magnetic electrical latch assembly for sensing an electrical contact has a housing for supporting a magnetic electrical contact. The housing has an annular cavity and a cylinder disposed within the cavity. A magnetic electrical contact is attached at one end to the cylinder. The cylinder is movable axially...
Magnetic field falling particle solar receiver systems and methods
Patent • #US10502459B1. Systems and methods that increase the residence time of particles falling through a solar receiver using an induced magnetic field to suspend or slow down and/or alter the flight path of the particles falling through the concentrated beam of sunlight are disclosed.
Magnetic method for stimulating transport in fluids
Patent • #US9470458B1. A method for producing mass and heat transport in fluids, wherein the method does not rely on conventional convection, that is, it does not require gravity, a thermal gradient, or a magnetic field gradient. This method gives rise to a unique class of vigorous, field-controllable flow patterns termed advection...
Magnetic Sensing to Determine Material Flows and Electrical Shorts
Featured Opportunity • Many research applications have a critical need for flow and electrical-current diagnostics within fluids; however, current flow visualization techniques require optical access which is often infeasible in high-temperature high-pressure (HTHP) opaque vessels. Researchers at Sandia National Laboratories developed a non-destructive visualization technique to create a three-dimensional (3D) real-time image of...
Magnetic Smart Tagging and Sensing Platform
Featured Opportunity • A chip-scale, magnetic smart tagging and sensing platform with enhanced performance for the accurate tracking, sensing, and monitoring of assets The accurate tracking and sensing of assets is an area of growing interest across diverse industries and environments. Radio-frequency identification (RFID) technologies face key limitations in settings with RF-based communications...
Magneto-Optical Sensor
Featured Opportunity • Innovation delivers accurate, interference-free sensing of magnetic fields and electrical currents to improve performance and safety in challenging environments Business Problem Accurate measurement of electrical currents and magnetic fields is essential to operate pulsed power accelerators, power utilities, nuclear fusion and high-energy physics facilities. These harsh and challenging environments need...
Magneto-optical sensor for magnetic field measurement
Patent • #US12498432B2. A magneto-optical sensor can be used to measure electrical current with a very narrow pulse width as sensed by the magnetic field in the transmission line region of a pulsed power accelerator. Pulsed power accelerator experimental results agreed remarkably well with the Faraday effect theory, device physical model, and...
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