Patent • #US9388817B1. Various technologies pertaining to causing fluid in a supercritical Brayton cycle power generation system to flow in a desired direction at cold startup of the system are described herein. A sensor is positioned at an inlet of a turbine, wherein the sensor is configured to output sensed temperatures of...
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Preload apparatus
Patent • #US11131407B1. An apparatus for providing a preload to mated pipes including a ring-shaped body formed by a sidewall and an attachment structure on a portion of the body. The ring-shaped body includes an aperture that extends through the sidewall. The attachment structure corresponds to an attachment portion of a pipe...
Preparation of asymmetric porous materials
Patent • #US10610822B2. As asymmetric porous film structure formed by depositing a porous material film on a flexible substrate, and applying an anisotropic stress to the porous media on the flexible substrate, where the anisotropic stress results from a stress such as an applied mechanical force, a thermal gradient, and an applied...
Preparation of asymmetric porous materials
Patent • #US8236211B1. A method for preparing an asymmetric porous material by depositing a porous material film on a flexible substrate, and applying an anisotropic stress to the porous media on the flexible substrate, where the anisotropic stress results from a stress such as an applied mechanical force, a thermal gradient, and...
Pressure-induced crystallization and topochemical cross-linking of conjugated polymers
Patent • #US12570808B2. Polytriacetylene, a unique conjugated polymer with all-carbon main-chains consisting of alternating double bonds and diacetylene units, can self-assemble into ordered structures under moderate pressures, driven by side-chain crystallization. At higher pressure, the polymer undergoes topochemical cross-linking reactions, resulting in insoluble materials with graphyne-like structural and property characteristics.
Proactive Intrusion Detection and Mitigation Systems (PIDMS)
Featured Opportunity • PIDMS detects and mitigates cyberattacks to energy utilities and other distributed energy resources in real-time The Proactive Intrusion Detection and Mitigation System (PIDMS) is an award-winning sensing and monitoring system that detects cyberattacks and secures grid-edge photovoltaic (PV) smart inverters capable of making autonomous decisions to stabilize the grid. Smart...
Probe for operando in situ electrochemical nuclear magnetic resonance spectroscopy
Patent • #US11215686B2. Electrochemical devices with metal casings have been considered incompatible with nuclear magnetic resonance (NMR) spectroscopy because the oscillating magnetic fields (“rf fields”) responsible for excitation and detection of NMR active nuclei do not penetrate metals. According to the present invention, rf fields can still efficiently penetrate into nonmetallic layers...
Process and apparatus for separation of components of a gas stream
Patent • #US8585801B1. A process and apparatus for separating a gas mixture comprising providing a slot in a gas separation channel (conceptualized as a laterally elongated Clusius-Dickel column), having a length through which a net cross-flow of the gas mixture may be established; applying a higher temperature to one side of the...
Process and apparatus for separation of components of a gas stream
Patent • #US8535424B1. A process and apparatus for separating a gas mixture comprising providing a slot in a gas separation channel (conceptualized as a laterally elongated Clusius-Dickel column), having a length through which a net cross-flow of the gas mixture may be established; applying a higher temperature to one side of the...
Process and apparatus for separation of components of a gas stream
Patent • #US8753439B1. A process and apparatus for separating a gas mixture comprising providing a slot in a gas separation channel (conceptualized as a laterally elongated Clusius-Dickel column), having a length through which a net cross-flow of the gas mixture may be established; applying a higher temperature to one side of the...
Process for epoxy foam production
Patent • #US8003730B1. An epoxy resin mixture with at least one epoxy resin of between approximately 60 wt % and 90 wt %, a maleic anhydride of between approximately 1 wt % and approximately 30 wt %, and an imidazole catalyst of less than approximately 2 wt % where the resin mixture...
Processes for multi-layer devices utilizing layer transfer
Patent • #US8946052B2. A method includes forming a release layer over a donor substrate. A plurality of devices made of a first semiconductor material are formed over the release layer. A first dielectric layer is formed over the plurality of devices such that all exposed surfaces of the plurality of devices are...
Processing device with self-scrubbing logic
Patent • #US9274895B1. An apparatus includes a processing unit including a configuration memory and self-scrubber logic coupled to read the configuration memory to detect compromised data stored in the configuration memory. The apparatus also includes a watchdog unit external to the processing unit and coupled to the self-scrubber logic to detect a...
Processing device with self-scrubbing logic
Patent • #US9792184B2. An apparatus includes a processing unit including a configuration memory and self-scrubber logic coupled to read the configuration memory to detect compromised data stored in the configuration memory. The apparatus also includes a watchdog unit external to the processing unit and coupled to the self-scrubber logic to detect a...
Processing short video to obtain frequency information
Patent • #US12557996B1. Described are various technologies pertaining to identifying a dominant frequency in an acquired signal, such as a frequency corresponding to a human heartbeat in an acquired video signal. In connection with identifying the dominant frequency, a sub-signal of the acquired signal is extracted from the acquired signal, where the...
Processor-in-memory-and-storage architecture
Patent • #US9858144B2. A method and apparatus for performing reliable general-purpose computing. Each sub-core of a plurality of sub-cores of a processor core processes a same instruction at a same time. A code analyzer receives a plurality of residues that represents a code word corresponding to the same instruction and an indication...
Production of fusel lactates via biocatalysis
Patent • #US11725220B1. Microbial enzymes are used for esterification of biomass-derived substrates for production of industrially valuable esters. E. coli was used as an efficient platform for recombinant synthesis of fusel lactates such as the green solvent ethyl lactate.
Prognostics and health management of photovoltaic systems
Patent • #US9939485B1. The various technologies presented herein relate to providing prognosis and health management (PHM) of a photovoltaic (PV) system. A PV PHM system can eliminate long-standing issues associated with detecting performance reduction in PV systems. The PV PHM system can utilize an ANN model with meteorological and power input data...
Programmable electroacoustic filter apparatus and method for its manufacture
Patent • #US9276557B1. An acoustically coupled frequency selective radio frequency (RF) device is provided. The device includes a piezoelectric substrate overlain by a plurality of electrodes. The device further includes a pair of RF input terminals at least one of which is electrically connected to at least one of the electrodes, and...
Programmable pH buffers
Patent • #US9550168B2. A programmable pH buffer comprises a copolymer that changes pKa at a lower critical solution temperature (LCST) in water. The copolymer comprises a thermally programmable polymer that undergoes a hydrophobic-to-hydrophilic phase change at the LCST and an electrolytic polymer that exhibits acid-base properties that are responsive to the phase...
Programming analog memory elements in a neomorphic computing system
Patent • #US12366881B1. A method is disclosed herein which includes obtaining an array of analog memory elements. It also includes programming an analog memory element included in the array, where prior to being programmed the analog memory element has a first value for an electrical property, and where it is programmed to...
Promoters and uses thereof
Patent • #US11098306B1. The present invention relates to synthetic promoters, as well as expression cassettes, and recombinant scaffolds, and methods thereof. In particular embodiments, the synthetic promoter is inducible by one or more chemical compounds present during lignin depolymerization.
Proof-of-work for securing IoT and autonomous systems
Patent • #US10887107B1. A first device in a network issues a proof-of-work challenge to a second device in the network. The second device computes a cryptographic function result to satisfy a criterion indicated in the challenge. The second device returns a challenge response comprising inputs to the cryptographic function that the second...
Protecting integrated circuits from excessive charge accumulation during plasma cleaning of multichip modules
Patent • #US9013046B1. Internal nodes of a constituent integrated circuit (IC) package of a multichip module (MCM) are protected from excessive charge during plasma cleaning of the MCM. The protected nodes are coupled to an internal common node of the IC package by respectively associated discharge paths. The common node is connected...
Protein and nucleic acid detection for microfluidic devices
Patent • #US10981174B1. The present invention relates to methods for detecting targets by employing a temperature control system with a microfluidic device. The system allows for non-contact heating by employing an infrared emitter. In some instances, the system can be used in conjunction with a centrifugal microfluidic device. Optionally, a mask can...
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