Patent • #US11698315B1. A rarefied piezometric uptake apparatus and method for measuring gaseous uptake for large solid samples with little or no sample preparation. Past systems and methods require extensive sample preparation. The method includes providing a rarefied piezometric uptake apparatus having a dosing chamber and uptake chamber in an improved selective...
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Reach and get capability in a computing environment
Patent • #US8196101B1. A reach and get technique includes invoking a reach command from a reach location within a computing environment. A user can then navigate to an object within the computing environment and invoke a get command on the object. In response to invoking the get command, the computing environment is...
Real time autonomous surveillance of pathogens
Patent • #US11366116B1. The present invention relates, in part, to systems configured to obtain samples from an organism in an autonomous manner. Such systems can employ a cartridge configured to provide bait to attract an organism, as well as channels to store and/or test samples obtained from the organism.
Real time markerless motion tracking using linked kinematic chains
Patent • #US7257237B1. A markerless method is described for tracking the motion of subjects in a three dimensional environment using a model based on linked kinematic chains. The invention is suitable for tracking robotic, animal or human subjects in real-time using a single computer with inexpensive video equipment, and does not require...
Real-time method for establishing a detection map for a network of sensors
Patent • #US8265870B1. A method for establishing a detection map of a dynamically configurable sensor network. This method determines an appropriate set of locations for a plurality of sensor units of a sensor network and establishes a detection map for the network of sensors while the network is being set up; the...
Real-time patch-clamp sensing of transport across a barrier tissue
Patent • #US12540938B1. The present disclosure relates to methods, apparatuses, and systems to measure one or more electrical signals from a cultured cell layer. In some embodiments, such electrical signals can be indicative of transport or lack of transport of an agent through the cell layer.
Real-time patch-clamp sensing of transport across a barrier tissue
Patent • #US11885793B1. The present disclosure relates to methods, apparatuses, and systems to measure one or more electrical signals from a cultured cell layer. In some embodiments, such electrical signals can be indicative of transport or lack of transport of an agent through the cell layer.
Real-time process monitoring for direct ink write additive manufacturing
Patent • #US11833762B2. Direct ink write (DIW) printing of reactive resins presents a unique challenge due to the time-dependent nature of the rheological and chemical properties of the ink. As a result, careful print optimization or process control is important to obtain consistent, high quality prints. The present invention uses a flow-through...
Recently Granted Patents
Page • #recentPatentsTabs { display: flex !important; flex-direction: row !important; flex-wrap: wrap !important; gap: .5rem; } #recentPatentsTabs .nav-item { margin-bottom: -1px; width: auto !important; } #recentPatentsTabs .nav-link { width: auto !important; display: inline-flex !important; } Sandia's most recent innovations recognized by the U.S. Patent & Trademark Office are listed below in reverse...
Reconfigurable metasurfaces and x-band RF devices employing the acoustoelectric effect
Patent • #US12647102B1. A reconfigurable metasurface device that leverages the interaction of phonon modes and a charge carrier distribution in a thin film semiconductor/piezoelectric film stack via the acoustoelectric interaction is disclosed. A surface acoustic wave (SAW) is launched into the piezoelectric layer. The SAW propagates through the piezoelectric layer, where the...
Reconfigurable phononic devices for classical and quantum processing systems
Patent • #US12112236B1. Various reconfigurable phononic devices, including phase shifters, mirrors, Mach Zehnder interferometers, memories, and transducers for use in both classical and quantum computing systems are disclosed. The individual phononic devices may be combined in various configurations to implement desired, more complex functionality. The phononic devices may be coupled together to...
Rectenna that converts infrared radiation to electrical energy
Patent • #US9437629B1. Technologies pertaining to converting infrared (IR) radiation to DC energy are described herein. In a general embodiment, a rectenna comprises a conductive layer. A thin insulator layer is formed on the conductive layer, and a nanoantenna is formed on the thin insulator layer. The thin insulator layer acts as...
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Portfolio •
Red-Emitting Phosphors for Solid-State Lighting
Featured Opportunity • Sandia has developed red-emitting phosphors that will help to transform the cold blue of many current light-emitting diodes (LEDs) into the warm white that is preferred for general lighting. This advance could help move solid-state lighting (SSL) into broader applications and market spaces. This class of rare-earth doped tantalates has...
Redox buffered hydrofluoric acid etchant for the reduction of galvanic attack during release etching of MEMS devices having noble material films
Patent • #US7597819B1. Etchant solutions comprising a redox buffer can be used during the release etch step to reduce damage to the structural layers of a MEMS device that has noble material films. A preferred redox buffer comprises a soluble thiophosphoric acid, ester, or salt that maintains the electrochemical potential of the...
Redox-active oxide materials for thermal energy storage
Patent • #US10800665B1. Thermochemical storage materials having the general formula AxA′1-xByB′1-yO3-δ, where A=La, Sr, K, Ca, Ba, Y and B=Mn, Fe, Co, Ti, Ni, Cu, Zr, Al, Y, Cr, V, Nb, Mo, are disclosed. These materials have improved thermal storage energy density and reaction kinetics compared to previous materials. Concentrating solar power...
Redox-active oxide materials for thermal energy storage
Patent • #US11339766B2. Thermochemical storage materials having the general formula AxA′1-xByB′1-yO3-δ, where A=La, Sr, K, Ca, Ba, Y and B=Mn, Fe, Co, Ti, Ni, Cu, Zr, Al, Y, Cr, V, Nb, Mo, are disclosed. These materials have improved thermal storage energy density and reaction kinetics compared to previous materials. Concentrating solar power...
Reduced-bias multi-resolution coherent change detection
Patent • #US10345440B1. Described herein are various technologies relating to generating a reduced bias multi-resolution (RBMR) coherent change detection (CCD) image product. A low bias, low resolution (LBLR) CCD image product is generated based upon a first SAR image of a scene and a second SAR image of the scene, where each...
Reduced-impact sliding pressure control valve for pneumatic hammer drill
Patent • #US8176995B1. A method and means of minimizing the effect of elastic valve recoil in impact applications, such as percussive drilling, where sliding spool valves used inside the percussive device are subject to poor positioning control due to elastic recoil effects experienced when the valve impacts a stroke limiting surface. The...
Reducing current reversal time in electric motor control
Patent • #US8878473B2. The time required to reverse current flow in an electric motor is reduced by exploiting inductive current that persists in the motor when power is temporarily removed. Energy associated with this inductive current is used to initiate reverse current flow in the motor.
Reduction of background clutter in structured lighting systems
Patent • #US7742640B1. Methods for segmenting the reflected light of an illumination source having a characteristic wavelength from background illumination (i.e. clutter) in structured lighting systems can comprise pulsing the light source used to illuminate a scene, pulsing the light source synchronously with the opening of a shutter in an imaging device,...
Reduction of radar cross-section of a wind turbine
Patent • #US9404371B1. The various technologies presented herein relate to formation of a wind turbine blade having a reduced radar signature in comparison with a turbine blade fabricated using conventional techniques. Various techniques and materials are presented to facilitate reduction in radar signature of a wind turbine blade, where such techniques and...
Refractory high entropy alloy compact heat exchanger
Patent • #US11725889B1. Several innovative technologies, including pressure-drop minimization, advanced refractory high entropy alloys, and advanced manufacturing can provide a compact heat exchanger that extends the state-of-the-art heat-exchanger operating range. The compact heat exchanger can reduce pressure drop losses by 100 to 500%, while retaining most of the heat transfer. The compact...
Refractory High-Entropy Alloy (RHEA) Compact Heat Exchanger
Featured Opportunity • Recent breakthroughs in hybrid advanced manufacturing and advanced alloys can significantly extend the temperature and pressure operational range of heat exchangers Description When it comes to their material properties, high-efficiency compact heat exchangers require a suitable combination of creep, high-temperature strength, oxidation resistance, and thermal shock. Current heat exchanger designs...
Regenerable particulate filter
Patent • #US7527671B1. A method of making a three-dimensional lattice structure, such as a filter used to remove particulates from a gas stream, where the physical lattice structure is designed utilizing software simulation from pre-defined mass transfer and flow characteristics and the designed lattice structure is fabricated using a free-form fabrication manufacturing...
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