Abstract: A biostimulator transport system includes an input shaft and an output shaft. The input shaft extends distally to an input gear. The output shaft extends proximally from an output gear to a biostimulator coupling. The output gear is rotationally coupled to the input gear such that rotation of the input shaft drives rotation of the biostimulator coupling. Other embodiments are also described and claimed.

Abstract: A biostimulator includes a body having an electronics compartment containing pacing circuitry. The biostimulator includes an electrode arm pivotably coupled to the body. The electrode arm is pivotable from an undeployed state to a deployed state. A pivot angle between the electrode arm and the body is greater in the deployed state than in the undeployed state. Other embodiments are also described and claimed.

Abstract: A biostimulator and a biostimulator system for septal pacing are described. The biostimulator includes a housing having an electronics compartment containing pacing circuitry and an electrical extension having an elongated electrical conductor, wherein the electrical extension extends from a proximal extension end at the housing to a distal extension end. The biostimulator further includes a pacing extension body mounted on the distal extension end of the electrical extension. The pacing extension body includes a pacing electrode electrically coupled to the pacing circuitry through the elongated electrical conductor, a fixation mechanism, and a drive mechanism to transmit torque to the fixation mechanism. Other embodiments are also described and claimed.

Abstract: A biostimulator includes a housing having an electronics compartment containing pacing circuitry. A fixation guide is mounted on the housing and includes a guide passage. A fixation element is movable through the guide passage from an undeployed state to a deployed state. In the undeployed state, a fixation tip of the fixation element is within the guide passage. In the deployed state, the fixation tip extends out of the guide passage. A biostimulator system includes the biostimulator mounted on a biostimulator transport system to deliver the biostimulator to, and extend the fixation tip into, a target anatomy. Other embodiments are also described and claimed.

Abstract: An apparatus may include: a shaker body; a shaker screen disposed within the shaker body; and one or more air nozzles disposed within the shaker body, wherein the one or more air nozzles is positioned below the shaker screen, and wherein the one or more air nozzles is operable to deliver a pressurized stream of air to at least a portion of a bottom of the shaker screen.

Abstract: An apparatus may include: a shaker body; a shaker screen disposed within the shaker body; and one or more air nozzles disposed within the shaker body, wherein the one or more air nozzles is positioned below the shaker screen, and wherein the one or more air nozzles is operable to deliver a pressurized stream of air to at least a portion of a bottom of the shaker screen.

Abstract: In one embodiment, a method includes receiving, by a XR display device, a gesture-based input from a first user of the XR display device, processing, using a gesture-detection model, the gesture-based input to identify a first gesture, receiving, by the XR display device, an audio input from the first user, where the audio input includes a first voice command, processing, using a natural-language model, the audio input to identify one or more intents or one or more slots associated with the first voice command, determining whether the identified first gesture matches the first voice command, and executing, responsive to the identified first gesture matching the first voice command and by the XR display device, a first task corresponding to the first voice command based on the identified first gesture and the identified one or more intents or one or more slots.

Abstract: Optical elements and compositions are provided which include an extruded polymer, and a plurality of fluorophores disposed within. The fluorescent compositions have quantum yields greater than 50% and are stable in performance over long durations of time under oxygen, moisture, and light exposure. In some embodiments, the extruded polymer is prepared as pellets, microparticles, nanoparticles, or films.

Abstract: An apparatus may include: a shaker body; a shaker screen disposed within the shaker body; and one or more air nozzles disposed within the shaker body, wherein the one or more air nozzles is positioned below the shaker screen, and wherein the one or more air nozzles is operable to deliver a pressurized stream of air to at least a portion of a bottom of the shaker screen.

Abstract: Systems and methods for treating wastewater with an oil-specific viscosifier composition and separating viscosified oil, undissolved solids and/or particulates, and/or other waste materials in such wastewater are provided. The methods further include: providing wastewater that includes oil; mixing the wastewater with an oil-specific viscosifier composition to form a viscosified oil; and separating at least a portion of the viscosified oil from the wastewater to provide treated water.

Abstract: Automated systems and methods for treating wastewater or effluent are provided.

Abstract: A laminated glass luminescent concentrator is provided which includes a solid medium having a plurality of fluorophores disposed therein. In some embodiments, the fluorophore is a low-toxicity quantum dot. In some embodiments, the fluorophore has significantly reduced self-absorption, which allows for unperturbed waveguiding of the photoluminescence over a long distance. Also disclosed are apparatuses for generating electricity from the laminated glass luminescent concentrator, and its combination with buildings and vehicles.

Abstract: The present disclosure provides apparatus, systems, and methods for improving slop water treatment efficiency. The method generally includes separating contaminated fluid into a clean fluid layer and one or more contaminant layers floating on a surface of the clean fluid layer in a vessel; reporting to a control unit, a location, sensed by level sensor(s), of an interface between the clean fluid layer and the contaminant layer(s); reporting to the control unit, a height, sensed by a first position sensor, of a skimmer relative to the vessel; adjusting, using the control unit and based on the reported location of the interface and/or the reported height of the skimmer, the height of the skimmer so that one or more components of the skimmer are positioned proximate the sensed location of the interface; and skimming, using the skimmer, the contaminant layer(s) off of the clean fluid layer proximate the sensed interface.

Abstract: Apparatuses and methods measuring properties of drilling fluids in which the drilling fluid is contained in a structure, and a measuring device and a processor are used to measure the properties. The measuring device is immersed within the drilling fluid. The measuring device can comprise a shell defining a chamber, a weight adapted to cause the measuring device to sink through the drilling fluid, a transmitter and at least one sensor adapted to measure a property of the drilling fluid. The transmitter is adapted to transmit data representing the property to the processor.

Abstract: An apparatus for measuring the oil and water fractions of a fluid, such as a drilling fluid. The apparatus includes a vessel body having an inner chamber coupled with a fluid inlet and an outlet. A heating element is coupled with the vessel body operable to communicate heat sufficient to vaporize a fluid within the vessel body to a gas. A gas analytical device is coupled with the outlet operable to measure components of the gas exiting the vessel body via the outlet. A rotary milling cutter translatable through the inner chamber and into solids remaining from the vaporized fluid, and having cutters operable to break solids within the inner chamber remaining from the vaporized fluid. The solids may be ejected through a solids discharge port.

Abstract: Apparatuses and methods measuring properties of drilling fluids in which the drilling fluid is contained in a structure, and a measuring device and a processor are used to measure the properties. The measuring device is immersed within the drilling fluid. The measuring device can comprise a shell defining a chamber, a weight adapted to cause the measuring device to sink through the drilling fluid, a transmitter and at least one sensor adapted to measure a property of the drilling fluid. The transmitter is adapted to transmit data representing the property to the processor.

Abstract: An apparatus may include: a shaker body; a shaker screen disposed within the shaker body; and one or more air nozzles disposed within the shaker body, wherein the one or more air nozzles is positioned below the shaker screen, and wherein the one or more air nozzles is operable to deliver a pressurized stream of air to at least a portion of a bottom of the shaker screen.

Abstract: The present disclosure provides apparatus, systems, and methods for improving slop water treatment efficiency. The method generally includes separating contaminated fluid into a clean fluid layer and one or more contaminant layers floating on a surface of the clean fluid layer in a vessel; reporting to a control unit, a location, sensed by level sensor(s), of an interface between the clean fluid layer and the contaminant layer(s); reporting to the control unit, a height, sensed by a first position sensor, of a skimmer relative to the vessel; adjusting, using the control unit and based on the reported location of the interface and/or the reported height of the skimmer, the height of the skimmer so that one or more components of the skimmer are positioned proximate the sensed location of the interface; and skimming, using the skimmer, the contaminant layer(s) off of the clean fluid layer proximate the sensed interface.

Abstract: Systems and methods for treating wastewater with an oil-specific viscosifier composition and separating viscosified oil, undissolved solids and/or particulates, and/or other waste materials in such wastewater are provided. In some embodiments, the methods include: providing wastewater that includes oil; mixing the wastewater with an oil-specific viscosifier composition to form a viscosified oil; and separating at least a portion of the viscosified oil from the wastewater to provide treated water.

Abstract: An apparatus for measuring the oil and water fractions of a fluid, such as a drilling fluid. The apparatus includes a vessel body having an inner chamber coupled with a fluid inlet and an outlet, A heating element is coupled with the vessel body operable to communicate heat sufficient to vaporize a fluid within the vessel body to a gas. A gas analytical device is coupled with the outlet operable to measure components of the gas exiting the vessel body via the outlet. A rotary milling cutter translatable through the inner chamber and into solids remaining from the vaporized fluid, and having cutters operable to break solids within the inner chamber remaining from the vaporized fluid. The solids may be ejected through a solids discharge port.