Patent • #US9702668B2. Linear shaped charges are described herein. In a general embodiment, the linear shaped charge has an explosive with an elongated arrowhead-shaped profile. The linear shaped charge also has and an elongated v-shaped liner that is inset into a recess of the explosive. Another linear shaped charge includes an explosive...
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Linear transformer driver for pulse generation
Patent • #US9000625B1. A linear transformer driver includes at least one ferrite ring positioned to accept a load. The linear transformer driver also includes a first power delivery module that includes a first charge storage devices and a first switch. The first power delivery module sends a first energy in the form...
Linear transformer driver for pulse generation with fifth harmonic
Patent • #US9602087B2. A linear transformer driver includes at least one ferrite ring positioned to accept a load. The linear transformer driver also includes a first, second, and third power delivery module. The first power delivery module sends a first energy in the form of a first pulse to the load. The...
Linearized Joint Interface
Featured Opportunity • A linearized joint interface that delivers greater predictability and reduced variation in the structural response of complex assemblies Predicting the dynamic properties of a structural system is particularly valuable for manufacturers of large assemblies because structural dynamics are notoriously difficult and complex to model. Even with intensive testing, order-of magnitude...
Lipid composition for the delivery of therapeutic cargos
Patent • #US11433121B1. A construct includes a core comprising an external surface and a plurality of pores, a cargo disposed in a pore of the plurality of pores, the cargo comprising a CRISPR Cas9 component or a nucleic acid sequence encoding a CRISPR Cas9 component; and a coating coupled to the core,...
Lipid-coated particles for treating viral infections
Patent • #US11045554B1. The present invention relates to lipid-coated particles for treating viral infections, including viral encephalitis infections. In particular, an antiviral compound can be disposed within the lipid-coated particle, thereby providing an antiviral carrier. Methods of making and using such carriers are described herein.
Lithographically defined microporous carbon-composite structures
Patent • #US9513554B1. A microporous carbon scaffold is produced by lithographically patterning a carbon-containing photoresist, followed by pyrolysis of the developed resist structure. Prior to exposure, the photoresist is loaded with a nanoparticulate material. After pyrolysis, the nanonparticulate material is dispersed in, and intimately mixed with, the carbonaceous material of the scaffold,...
Living mammalian cells modified with functional modular nanoparticles
Patent • #US12252708B2.
Localized temperature stability of low temperature cofired ceramics
Patent • #US8593237B1. The present invention is directed to low temperature cofired ceramic modules having localized temperature stability by incorporating temperature coefficient of resonant frequency compensating materials locally into a multilayer LTCC module. Chemical interactions can be minimized and physical compatibility between the compensating materials and the host LTCC dielectrics can be...
Locking Side Pull Hoist Ring
Featured Opportunity • An integrated tool with the ability to lift, rotate, and lock a suspended work piece at any angle — eliminating the need for manual operators or additional custom fixtures to accomplish the same Sandia researchers have developed a Locking Side Pull Hoist Ring which presents a significant improvement on commonly...
Locking side pull hoist ring assembly
Patent • #US11192760B1. An assembly for rotating a workpiece including a locking side pull hoist ring removably attachable to a side surface of the workpiece. The locking side pull hoist ring comprises a load bearing structure, a rotation mechanism attached to the side surface of the workpiece that rotates about a rotation...
Long range heliostat target using array of normal incidence pyranometers to evaluate a beam of solar radiation
Patent • #US8664577B1. Various technologies described herein pertain to evaluating a beam reflected by a heliostat. A portable target that has an array of sensors mounted thereupon is configured to capture the beam reflected by the heliostat. The sensors in the array output measured values indicative of a characteristic of the beam...
Long-Lasting Lithium Primary Batteries
Featured Opportunity • Long-lasting lithium primary batteries with a wide operational temperature range and increased safety. There is an ever-growing need to produce safer batteries that have longer run times and better temperature responses. Many current systems use lithium primary batteries because of their high energy densities and wide operational temperature range. However,...
Low Cost TiO2 Nanoparticles
Featured Opportunity • TEM image of TiO2 nanoparticles taken at 50KX magnification demonstrates discrete and stable end product. Current methods of producing titanium dioxide nanoparticles require costly surfactants and/or high temperature and pressure processing. Processing under these conditions results in nanoparticles with extremely wide particle size distributions and significant particle agglomeration. These problems...
Low Inductance DC Power Bus
Featured Opportunity • A low-inductance DC power bus for high frequency, high temperature operation in electric drive systems and next-generation power electronics A new generation of power electronic conversion systems are being enabled by wide-bandgap (WBG) devices. Applications in civilian and defense sectors are already realizing improved power density and efficiency in power...
Low power mixed gas sensor
Patent • #US12422421B2. The invention is directed to a chemically robust, highly-selective, low power sensor that can be used for the direct electrical detection of mixed gases. In particular, metal-organic frameworks (MOFs) offer exceptional chemical and structural tunability as mixed-gas capture materials. As an example of the invention, the influence of interfering...
Low power sensor for NOx detection
Patent • #US11573217B2. Detection and capture of toxic nitrogen oxides (NOx) is important for emissions control of exhaust gases and general public health. The low power sensor provides direct electrically detection of trace (0.5-5 ppm) NO2 at relatively low temperatures (50° C.) via changes in the electrical properties of nitrogen-oxide-capture active materials....
Low pressure drop advanced swirl technology gas filter
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...
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...
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