Abstract: A 3D printer includes a print bed adapted to receive a layer of print medium, a recoater adapted to distribute the print medium onto the print bed, a laser source adapted to generate a non-interactive laser beam and an interactive laser beam, a controller connected to the laser source to direct the interactive laser beam to the at least one predetermined location, a plurality of fiducial features associated with the recoater, wherein the plurality of fiducial features are presented by the recoater while the recoater distributes the print medium on the print bed to form a layer, and a scanner connected to the controller to detect, via the non-interactive laser beam, the plurality of fiducial features and provide location information for locations of individual ones of the plurality of fiducial features. The controller performs a calibration to adjust where the interactive laser beam is directed to the print medium.

Abstract: Industrial devices and edge compute platforms are configured to synchronize their internal clocks to provide a common sense of time across application and data acquisition tasks, thereby allowing for an inherent common understanding of time across the devices and data sets. The industrial devices can synchronize their internal clocks using Precision Time Protocol (PTP) or IEEE 802.1AS synchronization. The accurate time stamping achieved by this synchronization can yield more accurate analysis of data sets acquired from multiple devices, and greater fidelity and synchronization between a digital twin of an automation system and the physical system represented by the digital twin.

Abstract: A method for generating self-propped hydraulic fractures. In one embodiment, the method comprises injecting three fluid stages sequentially, each with successively higher viscosity, comprising a pad, a sealing slurry, and a displacement fluid which may be referred to as a sweep. Compositions of each of the three fluid stages are provided, each of which may be selected based upon characteristics of the formation being treated or upon one or more characteristics of the desired fracture.

Abstract: Embodiments of the invention relate to automatically dull grading drill bits and portions thereof based on three-dimensional digital models made from one or more images of the drill bits taken at a drilling site by an electronic device with a time-of-flight camera, wherein a method for evaluating drill bits at a site of a drilling rig is disclosed. The method includes receiving, from a requestor, a plurality of images of a drill bit that has been used, at least some of the plurality of images including time-of-flight images that have been captured by an electronic device (e.g., a computing device, an electronic device, etc.) on-site at or near a drill rig. The method includes generating a digital model of the drill bit based on the plurality of images.

Abstract: Embodiments are directed to nozzles for three-dimensional printing and related assemblies and methods. An example method includes, on a first side of a material, forming a hole into the material to define an at least partially conical inner conduit extending at least partially through the material, and, on a second side of the material, forming a through-hole into the material to define an exit orifice of the nozzle, the exit orifice connecting with the at least partially conical inner conduit to define a fluid pathway through the nozzle.

Abstract: Embodiments are directed to nozzles for three-dimensional printing and related nozzle assemblies and methods. An example nozzle includes at least one top surface, at least one bottom surface, and at least one lateral surface extending from or near the top surface to or near the bottom surface. The nozzle includes at least one conduit surface defining a conduit. The conduit surface extends from or near the top surface to or near the bottom surface. In an embodiment, at least a portion of the conduit surface proximate to the top surface is non-vertical (e.g., defines a non-cylindrical or non-rectangular shape). The non-vertical conduit surface may be positioned such that it is not parallel to a central axis of the nozzle extending from the top surface to the bottom surface.

Abstract: Embodiments are directed to nozzles for three-dimensional printing and related nozzle assemblies and methods. An example nozzle includes at least one top surface, at least one bottom surface, and at least one nozzle lateral surface extending from or near the top surface to or near the bottom surface. The nozzle also includes at least one conduit surface defining a conduit. At least a portion of the conduit surface comprise at least one of polycrystalline diamond (“PCD”), polycrystalline cubic boron nitride (“PcBN”), or another suitable superhard material. The nozzle may be attached to a base to form a nozzle assembly. The nozzle may be attached to the base by at least one of deforming the base relative to the nozzle, threadedly attaching (either directly or indirectly) the nozzle to the base, or press-fitting a hollow hollowed-sleeve into a passageway defined by the base.

Abstract: Electroporation is a technique in which an electrical field is applied to cells in order to increase the permeability of the cell membrane. This allows for chemicals, drugs, and/or macromolecules such as proteins and nucleic acids to be introduced into the cells. Embodiments relate to an electroporation apparatus. The electroporation apparatus comprises: a plurality of chambers configured to store a plurality of cells during an electroporation process; a plurality of electrodes configured to generate a plurality of electric fields within the plurality of chambers during the electroporation process, each electric field of the plurality of electric fields corresponding to one chamber of the plurality of chambers; a flow channel configured to transport the plurality cells during a cell collection process after the electroporation process; and a plurality of valves connecting the plurality of chambers to the flow channel.

Abstract: Various embodiments herein relate to methods, structures, tools, installation systems, etc. for retrofitting a new electrochromic window in a pre-existing window recess. In many cases, the new electrochromic window is installed parallel to a lite of a pre-existing window, with the resulting structure including the new electrochromic window, the pre-existing window, and a pocket that forms between them. Installation of a new electrochromic window in tandem with a pre-existing window results in many benefits including improved insulation (e.g., due to the presence of the additional air pocket(s) and lite(s)), improved climate control (e.g., due to the ability to control the amount of sunlight entering the building via the electrochromic window), and enhanced aesthetics.

Abstract: Various embodiments herein relate to methods, structures, tools, installation systems, etc. for retrofitting a new electrochromic window in a pre-existing window recess. In many cases, the new electrochromic window is installed parallel to a lite of a pre-existing window, with the resulting structure including the new electrochromic window, the pre-existing window, and a pocket that forms between them. Installation of a new electrochromic window in tandem with a pre-existing window results in many benefits including improved insulation (e.g., due to the presence of the additional air pocket(s) and lite(s)), improved climate control (e.g., due to the ability to control the amount of sunlight entering the building via the electrochromic window), and enhanced aes thetics.

Abstract: A method for assembling a propshaft assembly. The method can include: providing a tubular member, the tubular member having an annular wall with an inside circumferential surface; twisting a damper; installing the twisted damper in the tubular member; untwisting the damper in the tubular member such that the damper engages the inside circumferential surface of the annular wall. A machine for assembling a propshaft assembly is also provided.

Abstract: A method for assembling a propshaft assembly. The method can include: providing a tubular member, the tubular member having an annular wall with an inside circumferential surface; twisting a damper; installing the twisted damper in the tubular member; untwisting the damper in the tubular member such that the damper engages the inside circumferential surface of the annular wall. A machine for assembling a propshaft assembly is also provided.

Abstract: A method for assembling a propshaft assembly. The method can include: providing a tubular member, the tubular member having an annular wall with an inside circumferential surface; pushing a first ram through the tubular member; loading a damper between the first ram and a second ram; twisting the damper between the first and second rams; moving the first and second rams to translate the twisted damper into the tubular member; untwisting the damper in the tubular member; and withdrawing the first and second rams from the tubular member. A machine for assembling a propshaft assembly is also provided.

Abstract: The present invention relates to acrylic block copolymers synthesized by a controlled free-radical process, and their use as low temperature flow modifiers in oil-based compositions. They are especially useful in modifying the low temperature flow behavior in lubricating oils. The acrylic copolymers are especially useful as pour point depressants in lubricating oil.

Abstract: The invention relates to an amphiphilic multiblock copolymer capable of forming non-covalent crosslinks. The non-water soluble copolymer, having a hydrophilic middle block and hydrophobic end blocks, has a high water transmission or permeation. The copolymer can be used in applications requiring absorption and/or transmission of fluids, the preferred fluids being water or hydrophilic liquids such as glycerin, glycols, and alcohols. One specific use of the amphiphilic multiblock copolymer is as a hydrogel material.

Abstract: A system and method for playing a game is herein disclosed wherein a listing of teams competing in scheduled events and an additional piece of information is presented to the participants, the predetermined number of teams selected by the participants are received and upon completion of the sporting events, the participants are awarded points according to the scores of the sporting events and the additional information. The points awarded to the participants are utilized in determining a winner for the game.

Abstract: The invention relates to an amphiphilic multiblock copolymer capable of forming non-covalent crosslinks. The non-water soluble copolymer, having a hydrophilic middle block and hydrophobic end blocks, has a high water transmission or permeation. The copolymer can be used in applications requiring absorption and/or transmission of fluids, the preferred fluids being water or hydrophilic liquids such as glycerin, glycols, and alcohols. One specific use of the amphiphilic multiblock copolymer is as a hydrogel material.

Abstract: A portable medical apparatus for holding a plurality of surgical tools wherein at least one of said tools is electrically powered and includes a power supply cord and a power plug is disclosed. The apparatus comprises a housing having at least one electrical outlet for removably receiving said power plug is disposed within said inner shell. The housing includes an upstanding wall having at least one area for receiving and supporting a power supply cord. A removable enclosure lid is received by the housing. An upright member supports the housing and provides a passageway for a conductor in electrical communication with the electrical outlet. A base supports the upright member and includes a laterally extending leg having a channel for receiving the electrical conductor. The leg is apertured to receive a connector for attachment to the electrical conductor.

Abstract: The present invention relates to acrylic block copolymers synthesized by a controlled radical process, and their use as thickeners in oil-based compositions. The acrylic copolymers are especially useful as viscosity index improvers in lubricating oil.

Abstract: The present invention relates to acrylic block copolymers synthesized by a controlled free-radical process, and their use as low temperature flow modifiers in oil-based compositions. They are especially useful in modifying the low temperature flow behavior in lubricating oils. The acrylic copolymers are especially useful as pour point depressants in lubricating oil.