Abstract: A battery rotation system for rechargeable batteries. The system includes a plurality of battery monitors each configured to mount to a rechargeable battery, each connected to the terminals of the battery, and each including a current sensor, a voltage sensor, and a temperature sensor. The system further includes a server in wireless communication with the battery monitors to receive battery status information from the monitors. When a battery is connect to a battery charger, the battery monitor determines when the battery is ready for use. The server maintains queue information of available batteries and sends that information to a remote user device. The server also can schedule battery replacements and schedule charging times based on peak hours.

Abstract: The specification discloses a watercraft drain plug system that includes two or more drain plugs, an actuator, and a cable assembly interconnecting the drain plugs and the actuator. The actuator may be operated to move the drain plugs between open and closed positions. The actuator includes a locking mechanism for securing the actuator in the closed position to prevent inadvertent opening of the drain plugs.

Abstract: The specification discloses a watercraft drain plug system that includes two or more drain plugs, an actuator, and a cable assembly interconnecting the drain plugs and the actuator. The actuator may be operated to move the drain plugs between open and closed positions. The actuator includes a locking mechanism for securing the actuator in the closed position to prevent inadvertent opening of the drain plugs.

Abstract: A synthetic growing media, such as for a hydroponic growing system, includes a plastic body having multiple legs pointing in different directions. One or more of the legs has a bulbous tip. A synthetic growing medium comprising an aggregate of synthetic growing media and hydroponic system for plant cultivation are also disclosed.

Abstract: A synthetic growing media, such as for a hydroponic growing system, includes a plastic body having multiple legs pointing in different directions. One or more of the legs has a bulbous tip. A synthetic growing medium comprising an aggregate of synthetic growing media and hydroponic system for plant cultivation are also disclosed.

Abstract: The specification discloses a hydroponic nutrient aeration and flow control (NAFC) device and system, which both aerates and controls the flow of the hydroponic nutrient solution. The NAFC device has no moving parts. Each NAFC device mixes and aerates the nutrient from the nutrient reservoir with air and/or nutrient from one of the grow tanks. Each NAFC device additionally controls the flow of the aerated nutrient solution to the grow tank and the nutrient reservoir. The vertical position of the end of the nutrient return line in each grow tank may be adjusted to adjust the level of the nutrient solution within the grow tank.

Abstract: The specification discloses a hydroponic nutrient aeration and flow control (NAFC) device and system, which both aerates and controls the flow of the hydroponic nutrient solution. The NAFC device has no moving parts. Each NAFC device mixes and aerates the nutrient from the nutrient reservoir with air and/or nutrient from one of the grow tanks. Each NAFC device additionally controls the flow of the aerated nutrient solution to the grow tank and the nutrient reservoir. The vertical position of the end of the nutrient return line in each grow tank may be adjusted to adjust the level of the nutrient solution within the grow tank.

Abstract: The specification discloses a hydroponic nutrient aeration and flow control (NAFC) device and system, which both aerates and controls the flow of the hydroponic nutrient solution. The NAFC device has no moving parts. Each NAFC device mixes and aerates the nutrient from the nutrient reservoir with air and/or nutrient from one of the grow tanks. Each NAFC device additionally controls the flow of the aerated nutrient solution to the grow tank and the nutrient reservoir. The vertical position of the end of the nutrient return line in each grow tank may be adjusted to adjust the level of the nutrient solution within the grow tank.

Abstract: The specification discloses a marine fluid connection system including a fitting and a connector. The fitting is cylindrical and includes a radially extending flange. The connector includes a cylindrical body, a plurality of levers on the body, and a locking ring on the body. The levers are movable between a latched position, in which the levers are closed on the flange to lock the connector on the fitting, and an unlatched position, in which the levers are open so that the connector may be removed from the fitting. The locking ring is axially movable with respect to the body to move the latches between their latched and unlatched positions.

Abstract: The specification discloses a marine fluid connection system including a fitting and a connector. The fitting is cylindrical and includes a radially extending flange. The connector includes a cylindrical body, a plurality of levers on the body, and a locking ring on the body. The levers are movable between a latched position, in which the levers are closed on the flange to lock the connector on the fitting, and an unlatched position, in which the levers are open so that the connector may be removed from the fitting. The locking ring is axially movable with respect to the body to move the latches between their latched and unlatched positions.

Abstract: The specification discloses a fastener assembly including two elements. One element is an elongated body including that a gear rack and a radial stop. The other element is a nut fitted over the elongated body and including a pawl engaging the gear rack. The current embodiment includes two pairs of gear racks and two pairs of pawls. The two pairs of pawls are axially offset from one another. The elongated body and the nut are keyed to prevent relative rotation therebetween. The elongated body defines a conduit through the fastener assembly.

Abstract: The specification discloses an electrical connector assembly including a conductive clip and cover. The conductive clip may be snap-fitted onto an intercell connector in a multi-cell. The cover is nonconductive and may be snap-fitted over the conductive clip to protect the clip and wires connected to the clip. The cover may include a wire management device to guide and protect wires such as those connected to the clip.

Abstract: The specification discloses an electrical connector assembly including a conductive clip and cover. The conductive clip may be snap-fitted onto an intercell connector in a multi-cell. The cover is nonconductive and may be snap-fitted over the conductive clip to protect the clip and wires connected to the clip. The cover may include a wire management device to guide and protect wires such as those connected to the clip.

Abstract: The specification discloses a fastener assembly including two elements. One element is an elongated body including that a gear rack and a radial stop. The other element is a nut fitted over the elongated body and including a pawl engaging the gear rack. The current embodiment includes two pairs of gear racks and two pairs of pawls. The two pairs of pawls are axially offset from one another. The elongated body and the nut are keyed to prevent relative rotation therebetween. The elongated body defines a conduit through the fastener assembly.

Abstract: The specification discloses an electrical connector assembly including a conductive clip and cover. The conductive clip may be snap-fitted onto an intercell connector in a multi-cell. The cover is nonconductive and may be snap-fitted over the conductive clip to protect the clip and wires connected to the clip. The cover may include a wire management device to guide and protect wires such as those connected to the clip.

Abstract: The specification discloses a fastener assembly including two elements. One element is an elongated body including that a gear rack and a radial stop. The other element is a nut fitted over the elongated body and including a pawl engaging the gear rack. The current embodiment includes two pairs of gear racks and two pairs of pawls. The two pairs of pawls are axially offset from one another. The elongated body and the nut are keyed to prevent relative rotation therebetween. The elongated body defines a conduit through the fastener assembly.

Abstract: The specification discloses a fastener assembly including two elements. One element is an elongated body including that a gear rack and a radial stop. The other element is a nut fitted over the elongated body and including a pawl engaging the gear rack. The current embodiment includes two pairs of gear racks and two pairs of pawls. The two pairs of pawls are axially offset from one another. The elongated body and the nut are keyed to prevent relative rotation therebetween. The elongated body defines a conduit through the fastener assembly.

Abstract: A battery electrolyte monitor including a probe and a control circuit. The control circuit includes a capacitive element within the probe. The probe is acid resistant, and therefore the probe protects the capacitive element from contact with the battery electrolyte. The control circuit periodically charges and discharges the capacitive element using direct current. Depending on at least one of a charging characteristic and a discharging characteristic, the control circuit determines the electrolyte level. If the electrolyte is below a desired minimum level, the control circuit illuminates an indicator light.