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Results 1401–1425 of 1,875

Respirator test system
Patent • #US12161894B1. A test fixture facilitates non-destructive testing of a protective mask. The test fixture includes a mock facial structure, a clamping form that makes a seal around at least part of the facial structure, and can employ the retaining straps of the protective mask to a make a seal around...

Retinal-inspired method and system for improved detection
Patent • #US10765864B2. The present disclosure provides a method and device for filtering sensor data. Signals from an array of sensor pixels are received and checked for changes in pixel values. Motion is detected based on the changes in pixel values, and motion output signals are transmitted to a processing station. If...

RetSynth Software
Featured Opportunity • RetSynth is a comprehensive tool for rapidly identifying all optimal and sub-optimal pathways for the bioproduction of high value target compounds The successful biological production of high value target compounds is a slow and complex process. Achieving production of relevant quantities requires the design and integration of pathways into a...

Reusable filtering face mask
Patent • #US12364883B2. A reusable, protective face mask has two detachable filter trays that attach on each side of the mask, a soft elastomeric face seal, and straps to go around the user's head. Exhalations and inhalations can pass through the same filter material. The filter trays can accept arbitrary filter media....

RF signature detection for waveguide deformation
Patent • #US11592405B1. A radio frequency (RF) based waveguide health monitoring system is disclosed. The system employs an RF transmitter for launching a probe RF waveform into a waveguide. Reflections, etc., from the interior of the waveguide of the probe RF waveform create a signature RF waveform, with a health RF receiver...

Right-Size Dimple Evaluator v. 2.0
Featured Opportunity • There are many examples of surface modifications that reduce resistance to flow and improve performance. For instance, a dimpled golf ball can travel twice as far as a smooth ball when hit with the same force. Dimple modifications have had an impact on many application fields, most recently vehicles, aerospace,...

RNA-Targeting CAS9 System for Controlling Viruses
Featured Opportunity • CRISPR Cas9 (Clustered Regularly Interspaced Short Palindromic Repeats associated protein 9) is a protein that plays an important role in immunological defense of bacteria against DNA viruses. A CRISPR-Cas based system can be used to target nucleic acid sequences. Cas9 is used frequently in genetic engineering. The protein functions by...

Robotic vehicle with multiple tracked mobility platforms
Patent • #US8225895B1. A robotic vehicle having two or more tracked mobility platforms that are mechanically linked together with a two-dimensional coupling, thereby forming a composite vehicle of increased mobility. The robotic vehicle is operative in hazardous environments and can be capable of semi-submersible operation. The robotic vehicle is capable of remote...

Robust power detector for wideband signals among many single tone signals
Patent • #US10171189B2. Various technologies for isolating a signal of interest from signals received contemporaneously by an antenna are described herein. A time period for which a signal of interest is present in a second signal can be identified based upon ratios of values of the second signal to the mean value...

Robust power detector for wideband signals among many single tone signals
Patent • #US9912420B1. Various technologies for isolating a signal of interest from signals received contemporaneously by an antenna are described herein. A time period for which a signal of interest is present in a second signal can be identified based upon ratios of values of the second signal to the mean value...

Robust tilt and lock mechanism for hopping actuator
Patent • #US9562560B1. A tilt and lock apparatus that includes a tilt servomechanism, a spiral torsion spring, a lock wheel, and a lock hook is described herein. The spiral torsion spring is mechanically coupled to the tilt servomechanism and the lock wheel (which includes an opening). When a shaft is positioned through...

Rotary mechanical latch
Patent • #US8308203B1. A rotary mechanical latch for positive latching and unlatching of a rotary device with a latchable rotating assembly having a latching gear that can be driven to latched and unlatched states by a drive mechanism such as an electric motor. A cam arm affixed to the latching gear interfaces...

Rotary-Cooled Solid-State Lighting
Featured Opportunity • A novel solid-state lighting (SSL) architecture that addresses several longstanding technical challenges in SSL luminaires RCSSL improves upon the groundbreaking thermal management performance of the R&D 100 Editors’ Choice award-winning Sandia Cooler by situating an LED array directly on a rotating heat-sink-impeller, thereby eliminating the air gap thermal interface of...

Rotating concave eddy current probe
Patent • #US7352176B1. A rotating concave eddy current probe for detecting fatigue cracks hidden from view underneath the head of a raised head fastener, such as a buttonhead-type rivet, used to join together structural skins, such as aluminum aircraft skins. The probe has a recessed concave dimple in its bottom surface that...

Rotation flexure with temperature controlled modal frequency
Patent • #US10288121B2. A flexure bearing includes an inner race, an outer race, and a plurality of substantially planar radially extending blades coupled between the inner and outer race. The blades have a thickness that is thinner than a thickness of the inner and outer races. The inner race, outer race, and...

Rotation flexure with temperature controlled modal frequency
Patent • #US9759263B1. A flexure bearing includes an inner race, an outer race, and a plurality of substantially planar radially extending blades coupled between the inner and outer race. The blades have a thickness that is thinner than a thickness of the inner and outer races. The inner race, outer race, and...

RuBisCo
Featured Opportunity • A high-quality feedstock to address scaling and sustainability challenges associated with the growing global demand for protein Global demand for high quality digestible protein is expected to substantially outpace population growth over the coming decades. RuBisCo (Ribulose-1,5-bisphosphate carboxylase-oxygenase) is the photosynthetic enzyme in the green leaves of plants and is...

Sagnac Optomechanical Gyroscope
Featured Opportunity • A miniaturized gyroscope with improved sensitivity and performance for navigation applications requiring low-cost and reduced power devices Gyroscopes are important for applications in navigation, guidance, and control. Ideally, gyroscopes are accurate, stable, low cost, low power, and small weight and size, in some cases with high dynamic range. Many of...

Sandia Decon Formulation for Mitigation and Decontamination of Chemical and Biological Agents
Featured Opportunity • Sandia Decon Formulation co-developer Maher Tadros demonstrates application of the formulation from a pressurized canister. The foam could be sprayed from handheld canisters or from trucks, or it could be incorporated into high-profile government military buildings. The formulation is non-toxic. Protective clothing is required to protect decontamination personnel from chemical...

SARS-CoV-2 variant nanobodies and constructs comprising such nanobodies
Patent • #US12091446B1. A large and highly diverse nanobody library was constructed and screened against multiple variants of SARS-COV-2 to find nanobodies with high sensitivity and specificity for the variants. Four rounds of positive selection against a panel of six diverse SARS-COV-2 variant RBDs was performed with our high-diversity. At least 59...

SAW correlator spread spectrum receiver
Patent • #US8687674B1. A surface acoustic wave (SAW) correlator spread-spectrum (SS) receiver is disclosed which utilizes a first demodulation stage with a chip length n and a second demodulation stage with a chip length m to decode a transmitted SS signal having a code length l=n×m which can be very long (e.g....

ScAIN etch mask for highly selective etching
Patent • #US10651048B1. A fabrication process employing the use of ScAlN as an etch mask is disclosed. The ScAlN etch mask is chemically nonvolatile in fluorine-based etch chemistries and has a low sputter yield, resulting in greater etch mask selectivity and reduced surface roughness for silicon and other semiconductor materials. The ScAlN...
Results 1401–1425 of 1,875