Abstract: Embodiments of the invention provide an untethered apparatus for measuring properties along a subterranean well. According to at least one embodiment, the untethered apparatus includes a housing, and one or more sensors configured to measure data along the subterranean well. The data includes one or more physical, chemical, geological or structural properties in the subterranean well. The untethered apparatus further includes a processor configured to control the one or more sensors measuring the data and to store the measured data, and a transmitter configured to transmit the measured data to a receiver arranged external to the subterranean well. Further, the untethered apparatus includes a controller configured to control the buoyancy or the drag of the untethered apparatus to control a position of the untethered apparatus in the subterranean well. The processor includes instructions defining measurement parameters for the one or more sensors of the untethered apparatus within the subterranean well.

Abstract: The system for provisioning computerized devices of a tenant includes an enrollment certificate authority generating enrollment certificates in response to first provisioning requests for the enrollment certificates, a second certificate authority generating digital assets for onboard units and roadside units of the tenant in response to second provisioning requests from the computerized devices. A security credential management system platform, connected to the enrollment certificate authority and to the second certificate authority, receiving the first provisioning requests for enrollment certificates for the computerized devices, routing the first provisioning requests to the enrollment certificate authority based on the tenant identification (ID), receiving the second provisioning requests for digital assets for the computerized devices, and routing the second provisioning requests to the second certificate authority based on the device identifier.

Abstract: Disclosed are methods and devices for forming a combined polyester and fiberglass mat, in which separate polyester and fiberglass layers can be formed or polyester filaments and fiberglass threads can be mixed together by a disperser to form a polyester and fiberglass web. The polyester filaments and the fiberglass threads can be dispersed by separate dispersers on a web forming belt to form separate layers of polyester filaments and fiberglass threads, or can be dispersed by a single disperser to at least, somewhat evenly disperse, the fiberglass threads and polyester filaments.

Abstract: An example system may include one or more application platforms (e.g., VMs) that run a registration authority and are communicatively connected to one or more compute engines that perform cryptographic computations required by the registration authority. The system may also include one or more application platforms that run a certificate authority and that are communicatively connected to one or more compute engines that perform cryptographic computations required by the certificate authority. It may also include one or more load balancers communicatively connected to the one or more compute engines, the one or more load balancers to perform operations comprising distributing at least one request to the one or more compute engines.

Abstract: A system for virtual commissioning of a building management system includes one or more memory devices configured to store instructions that, when executed by one or more processors, cause the one or more processors to: receive, at a virtual server, product installation data from a building management system controller installed at a building site via a first connection, the product installation data corresponding to a product installation at the building site; receive, commissioning data from the remote commissioning system via a second connection; configure one or more products installed at the building site to be controlled by the virtual building management system on the virtual server; and selectively transfer control of the one or more products installed at the building site from the virtual building management system hosted at on the virtual server to the building management system controller installed at the building site.

Abstract: Embodiments of the invention provide an untethered apparatus for measuring properties along a subterranean well. According to at least one embodiment, the untethered apparatus includes a housing, and one or more sensors configured to measure data along the subterranean well. The data includes one or more physical, chemical, geological or structural properties in the subterranean well. The untethered apparatus further includes a processor configured to control the one or more sensors measuring the data and to store the measured data, and a transmitter configured to transmit the measured data to a receiver arranged external to the subterranean well. Further, the untethered apparatus includes a controller configured to control the buoyancy or the drag of the untethered apparatus to control a position of the untethered apparatus in the subterranean well. The processor includes instructions defining measurement parameters for the one or more sensors of the untethered apparatus within the subterranean well.

Abstract: A system for securely provisioning a plurality of computerized devices of a tenant, is provided. The system includes a processor, and a computer storage medium including instructions that when executed by the processor cause the processor to perform operations. The operations include receiving provisioning requests from the plurality of computerized devices needing certificates, each provisioning request indicating a tenant identifier identifying the tenant, and transmitting the provisioning requests to a set of security credential management system backend components based on the tenant identifier. The set of SCMS backend components includes enrollment certificate authorities operable to generate enrollment certificates, each provisioning request being transmitted to one of the one or more enrollment certificate authorities based on the tenant identifier of each provisioning request, and a pseudonym certificate authority operable to generate digital assets in response to receiving a provisioning request.

Abstract: An example system may include one or more application platforms (e.g., VMs) that run a registration authority and are communicatively connected to one or more compute engines that perform cryptographic computations required by the registration authority. The system may also include one or more application platforms that run an enrollment certificate authority and that are communicatively connected to one or more compute engines that perform cryptographic computations required by the enrollment certificate authority. It may further include one or more application platforms that run a pseudonym certificate authority and that are communicatively connected to one or more compute engines that perform cryptographic computations required by the pseudonym certificate authority. It may also include one or more load balancers communicatively connected to the one or more compute engines, the one or more load balancers to perform operations comprising distributing at least one request to the one or more compute engines.

Abstract: An impact resistant roofing shingle comprising an upper shingle layer; a lower shingle layer laminated to said upper shingle layer underneath said tab portion of said upper shingle layer; wherein each of the upper shingle layer and the lower shingle layer comprise a mat, an upper asphalt coating layer applied to an exposed side of the mat, a lower asphalt coating layer applied to an unexposed side of the mat, a granular coating applied to the upper asphalt coating layer opposite the mat, and a fabric reinforcing layer applied to the lower asphalt coating layer opposite the mat. In one embodiment, the roofing shingle may also include the fabric reinforcing layer covering the entire area of each mat. The roofing shingle may have a recessed area of the exposed side of the overlay layer that aligns with the overlap of the overlay and underlay layers.

Abstract: Inwardly opposed piston, compression ignition engines are quiet, compact in size, and reliable.

Abstract: A system for securely provisioning a plurality of computerized devices of a tenant, is provided. The system includes a processor, and a computer storage medium including instructions that when executed by the processor cause the processor to perform operations. The operations include receiving provisioning requests from the plurality of computerized devices needing certificates, each provisioning request indicating a tenant identifier identifying the tenant, and transmitting the provisioning requests to a set of security credential management system backend components based on the tenant identifier. The set of SCMS backend components includes enrollment certificate authorities operable to generate enrollment certificates, each provisioning request being transmitted to one of the one or more enrollment certificate authorities based on the tenant identifier of each provisioning request, and a pseudonym certificate authority operable to generate digital assets in response to receiving a provisioning request.

Abstract: Engines operating using multiple, different types of fuel are described. The engines may include components that control the introduction of fuels and/or reduce premature pre-ignition of fuels, such as a fuel comprising a percentage of hydrogen. The described hydrogen-fueled engines have a reduced carbon footprint.

Abstract: Ruggedized generators can operate using both medium and heavy fuels and output at least 5 kWe of power, yet are quiet, compact in size, and reliable.

Abstract: A system for securely provisioning a plurality of computerized devices of a tenant, is provided. The system includes a processor, and a computer storage medium including instructions that when executed by the processor cause the processor to perform operations. The operations include receiving provisioning requests from r the plurality of computerized devices needing certificates, each provisioning request indicating a tenant identifier identifying the tenant, and transmitting the provisioning requests to a set of security credential management system backend components based on the tenant identifier. The set of SCMS backend components includes enrollment certificate authorities operable to generate enrollment certificates, each provisioning request being transmitted to one of the one or more enrollment certificate authorities based on the tenant identifier of each provisioning request, and a pseudonym certificate authority operable to generate digital assets in response to receiving a provisioning request.

Abstract: Systems, methods and devices are provided for provisioning a computerized device. The system may include a distributor computer that is connected to the computerized device and is operable to receive a first digital asset and transmit it to the computerized device, and a server that is connected to the distributor computer, and that transmits the first digital asset to the distributor computer when a first authorizing condition is met, the first digital asset being configured to cause the computerized device to become partially provisioned, wherein the server transmits a second digital asset to the computerized device, and the computerized device is functional after the second digital asset is transmitted to the computerized device.

Abstract: Ruggedized generators can operate using both medium and heavy fuels and output at least 5 kWe of power, yet are quiet, compact in size, and reliable.

Abstract: A combined heating and power system is configured to generate energy as well capture a large percentage of energy that would otherwise be lost using components, including heat transfer components, embedded within a vessel to transfer energy in the form of heat to liquid within the vessel.

Abstract: A combined heat and power system generates energy and efficiently captures a percentage of such energy that would otherwise be lost to, among other things, control the temperature and humidity of a house or dwelling.

Abstract: A system for securely provisioning a plurality of computerized devices of a tenant, is provided. The system includes a processor, and a computer storage medium including instructions that when executed by the processor cause the processor to perform operations. The operations include receiving provisioning requests from r the plurality of computerized devices needing certificates, each provisioning request indicating a tenant identifier identifying the tenant, and transmitting the provisioning requests to a set of security credential management system backend components based on the tenant identifier. The set of SCMS backend components includes enrollment certificate authorities operable to generate enrollment certificates, each provisioning request being transmitted to one of the one or more enrollment certificate authorities based on the tenant identifier of each provisioning request, and a pseudonym certificate authority operable to generate digital assets in response to receiving a provisioning request.

Abstract: An example system may include one or more application platforms (e.g., VMs) that run a registration authority and are communicatively connected to one or more compute engines that perform cryptographic computations required by the registration authority. The system may also include one or more application platforms that run an enrollment certificate authority and that are communicatively connected to one or more compute engines that perform cryptographic computations required by the enrollment certificate authority. It may further include one or more application platforms that run a pseudonym certificate authority and that are communicatively connected to one or more compute engines that perform cryptographic computations required by the pseudonym certificate authority. It may also include one or more load balancers communicatively connected to the one or more compute engines, the one or more load balancers to perform operations comprising distributing at least one request to the one or more compute engines.