Abstract: A method of cleaning a surface is provided. The method includes providing a cleaning head, a housing, a pump, the pump having a port, the cleaning head having a nozzle, the cleaning head and housing being connected to one another. A cleaning element is attached with a first opening to the cleaning head so that the nozzle and the first opening are aligned. A refillable rigid container is provided having a cleaning fluid in the refillable rigid container. The port and the refillable rigid container are connected to form an air and fluid tight connection between the port and the container. The cleaning element is placed on a surface to be cleaned. The cleaning fluid is pumped from the refillable rigid container through the nozzle and the first opening onto the surface to be cleaned.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a storage device, for monitoring a property using drone beacons. In one aspect, a monitoring system is disclosed that includes a drone, a drone beacon, a component, a processor, and a computer storage media storing instructions that, when executed by the processor, cause the processor to perform operations. The operations may include obtaining drone beacon data generated by the drone beacon, determining a location of the drone beacon based on the drone beacon data, after determining the location of the drone beacon, transmitting, to the drone, a first instruction to navigate towards the location of the drone beacon, after deploying the drone, obtaining component data generated by the component, and after obtaining the component data, transmitting, to the drone, a second instruction to navigate towards a different location than the location of the drone beacon based on the component data.

Abstract: An example apparatus includes a bracket having a rack attachment member and a guard attachment member, and upper and lower engagement tabs that are coupled to the rack attachment member and have a stem portion and a head portion. The rack attachment member has a lock pin hole above the lower rack engagement tab. The lock pin hole is sized and positioned to provide sufficient cross-sectional area within a rack engagement distance to allow passage of a bracket lock pin therethrough within the rack engagement distance. The apparatus further includes a bracket lock pin having a stabilizing leg coupled to a lock pin head, where the stabilizing leg fits through the lock pin hole and the lock pin head does not. The stabilizing leg urges the lock pin head toward the lock pin hole when the stabilizing leg is passed through the lock pin hole.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a storage device, for accommodating unattended services at a property. In one aspect, a monitoring system is disclosed that includes a processor and a storage device storing instructions that, when executed by the processor, cause the processor to perform operations. The operations can include receiving a request to enter the property to perform the unattended service, configuring the monitoring system to allow access to a first portion of the property associated with the unattended service without triggering an alarm event, obtaining image data of the property after the monitoring system is configured to allow access to the first portion of the property, determining, based on the obtained image data, that an unattended service provider has entered into a second, different portion of the property, and triggering an alarm event.

Abstract: The present disclosure relates to pharmaceutical formulations of [(4-hydroxy-1-methyl-7-phenoxy-isoquinoline-3-carbonyl)-amino]-acetic acid and methods of use thereof.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a storage device, for accommodating unattended services at a property. In one aspect, a monitoring system is disclosed that includes a processor and a storage device storing instructions that, when executed by the processor, cause the processor to perform operations. The operations can include receiving a request to enter the property to perform the unattended service, configuring the monitoring system to allow access to a first portion of the property associated with the unattended service without triggering an alarm event, obtaining image data of the property after the monitoring system is configured to allow access to the first portion of the property, determining, based on the obtained image data, that an unattended service provider has entered into a second, different portion of the property, and triggering an alarm event.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for interaction with a connected outdoor gate lock. The methods, systems, and apparatus include actions of detecting, by a control unit, that a gate of a fence that encloses a building has opened, in response to detecting that the gate of the fence that encloses the building has opened, determining, by the control unit, whether (i) a pet is in the building and (ii) a pet door of the building is unlocked, and in response to determining (i) that the pet is in the building and (ii) that the pet door of the building is unlocked, locking, by the control unit, the pet door of the building.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a storage device are disclosed for generating a map for use in safely navigating hazards detected at a property. One method may include actions of receiving a request for a safe path to a property occupant that is located inside the property, obtaining a floor plan of the property, obtaining real-time sensor data generated by one or more sensors installed at the property that includes (i) sensor data indicative of a hazard at the property and (ii) a current location of the property occupant, generating a map of the property based on (i) the obtained real-time sensor data and (ii) the obtained floor plan, determining a safe path between an exit of the property and the current location of the property occupant, and providing, for output on a user device, the map of the property that visually indicates the safe path.

Abstract: Disclosed are cleaning devices and methods of use thereof for cleaning a vertical stack plumbing system. The cleaning device includes a first cylindrical body defining a first opening for selectively introducing a predetermined amount of cleaning medium into the cleaning device; a second cylindrical body defining a second opening configured to maintain airflow and venting of the vertical stack plumbing system when the cleaning device is in use, the first and second cylindrical bodies being directly connected to a main body of the cleaning device and in fluid communication with one another through the main body; and an attachment member defining a third opening that is directly connected to the main body of the cleaning device, the attachment member configured for direct removable attachment to a plumbing waste pipe in the vertical stack plumbing system and for receiving the cleaning medium therethrough to introduce the cleaning medium into the vertical stack plumbing system.

Abstract: A system for protecting air cooled condensers from hailstone damage including system components and method of installation, in which a protective screen preferably of stainless steel mesh is draped over and supported above condenser components to degrade hailstone momentum by reducing both velocity and mass, and by exposing residual hail to heat energy of air exhausting from the condenser.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a storage device, for monitoring a property using drone beacons. In one aspect, a monitoring system is disclosed that includes a drone, a drone beacon, a component, a processor, and a computer storage media storing instructions that, when executed by the processor, cause the processor to perform operations. The operations may include obtaining drone beacon data generated by the drone beacon, determining a location of the drone beacon based on the drone beacon data, after determining the location of the drone beacon, transmitting, to the drone, a first instruction to navigate towards the location of the drone beacon, after deploying the drone, obtaining component data generated by the component, and after obtaining the component data, transmitting, to the drone, a second instruction to navigate towards a different location than the location of the drone beacon based on the component data.

Abstract: Devices and methods associated therewith for facilitating movement, removal and/or installation of components from treatment units (e.g., water treatment units and wastewater treatment units). The treatment unit can take the form of a granular media filter (e.g., upflow filter, downflow filter or bi-flow filter) or a sludge collection basin. One preferred device is one or more floats facilitating safe removal of components of a treatment unit. The float(s) can be operably associated with an air scour system of a water filter to remove the air scour system from a granular media filter bed. The float(s) can be operably associated with a collection grid of a sludge collection container facilitating safe removal of the collection grid from the sludge collection container. Another preferred device is a flexible piping/conduit operably connected to a pressurized air source and an air scour system to assist in removal/installation of the air scour system.

Abstract: A monitoring system that is configured to monitor a property includes a connected scale device that is configured to receive a package, determine a weight of the package, and after determining the weight of the package, arm the connected scale device, and a monitoring control unit that is configured to receive, from the connected scale device, data indicating that the connected scale device received the package and the connected scale device is armed, and based on receiving the data indicating that the connected scale device received the package and the connected scale device is armed, communicate, to a user device of a resident of the property, a notification indicating that the connected scale device received the package.

Abstract: In some implementations, a system can transmit communications indicating an occurrence of a particular type of safety incident experienced by a user. Registration information that indicates that a plurality of safety devices of different types are to be registered with the user is initially obtained. Sensor data from the plurality of safety devices of different types are obtained. An occurrence of a particular type of safety incident experienced by the user is then selected from among a plurality of types of safety incidents. The selection may be based at least on the obtained sensor data and the obtained registration information. A communication is then provided to another user to indicate the occurrence of the particular type of safety incident experienced by the user in response to selecting the occurrence of the particular type of safety incident.

Abstract: An apparatus for removing impurities from water and/or wastewater and a method of installing a fluid distribution system in the apparatus. In the most preferred form of the invention, the fluid distribution system is an air scour system for directing air through the filter bed to assist in cleaning of the filter bed to remove impurities trapped in the filter bed during a service run. In the most preferred form, the method of installing the fluid distribution system in the filter bed is performed by imparting a force to the filter bed to permit the fluid distribution system to be installed in the filter bed without removing media. The fluid distribution system is preferably configured to permit the fluid distribution system to be readily installed in the filter bed and at an optimum orientation.

Abstract: Modular pure water systems are provided that have a tank and a cover assembly, wherein the tank and cover assembly are configured to removably receive therebetween one or more expansion tubes in a fluid tight manner to allow for selective volume expansion of the pure water system. Also provided are purification media bags for pure water systems that have a shape, construction, and/or material that mitigates the flow of water between the outer wall of the bag and an inner wall of the pure water systems.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a storage device are disclosed for generating a map for use in safely navigating hazards detected at a property. One method may include actions of receiving a request for a safe path to a property occupant that is located inside the property, obtaining a floor plan of the property, obtaining real-time sensor data generated by one or more sensors installed at the property that includes (i) sensor data indicative of a hazard at the property and (ii) a current location of the property occupant, generating a map of the property based on (i) the obtained real-time sensor data and (ii) the obtained floor plan, determining a safe path between an exit of the property and the current location of the property occupant, and providing, for output on a user device, the map of the property that visually indicates the safe path.

Abstract: A method of cleaning a surface, comprising: providing a cleaning head, a housing, and a pump, the pump having a port, the cleaning head having a nozzle, and the cleaning head and housing being connected to one another; attaching a cleaning element with a first opening to the cleaning head so that the nozzle and the first opening are in registration; providing a flexible pouch having a cleaning fluid therein; connecting the port and the flexible pouch to form an air and fluid tight connection between the port and the flexible pouch; placing the cleaning element on a surface to be cleaned; and pumping, via the pump, the cleaning fluid from the flexible pouch through the nozzle and the first opening onto the surface to be cleaned.

Abstract: An air grid for supplying air under pressure. The air grid may be used as an air scour system for a filter for removing at least some impurities (e.g., foreign matter of any nature including a solid, a liquid or a gas) from water or wastewater or as an aerator for aerating wastewater in an aeration tank or basin. The air grid includes an adapter for permitting in field adjustment of one or more components (e.g., drop pipe) of the air grid. Preferably, the adapter houses a portion of an air supply header and a portion of a drop pipe such that the air supply header is disposed above the drop pipe. The adapter may include a detachable sealing assembly. A tool may be provided for inserting and/or removing one or more components of the air grid from the operation environment.