Abstract: An aquarium includes a container that contains a liquid. A spout includes a first leg that extends along a first axis from an inlet positioned in a bottom portion of the aquarium space to a bend, and a second leg that extends along a second axis from a flow aperture formed adjacent the bend to an outlet. The spout is arranged to direct a portion of the liquid from the inlet to the outlet. A cap is coupled to the spout and is rotatable between a first position and a second position. The cap includes a seal element positioned to form a seal between the cap and the spout, and a flow control member fixedly attached to the cap and sized to completely block the flow aperture when the cap is in the first position and to completely uncover the flow aperture when the cap is in the second position.

Abstract: Devices and designs for use in customizable and reusable fishing lure system. In some embodiments, devices include a base lure body and at least one lure cover which is applied to the lure body, for example, by using a shrink-wrap technique. The lure covers may include modifications, e.g., cuts or slits to provide a desired visual or movement effect. Other embodiments may include additional decorative or functional elements, such as a tail piece, a scent pad, or the like. In some embodiments, the lure cover may also be coated with various substances to attract fish by scent or visual effect. The lure covers and elements may be designed to mimic certain types of bait.

Abstract: A spacecraft servicing system to provide in-orbit servicing through the umbilical connectors of a spacecraft. In one embodiment, a manipulator arm maneuvers a servicer umbilical to form an electrical connection between a servicer spacecraft and an umbilical connector of a client spacecraft, the umbilical connector conventionally used solely for ground-based operations. In one feature, the electrical connection is used to provide power or software upgrades to the client spacecraft.

Abstract: Provided herein are animal containment cage bases and covers that can be nested to disengage and/or collapse one or more cage components or one or more cage component mount members from a cage base or cage cover. Also provided herein are methods of removing cage components or cage component mount members from cage bases and cage covers by nesting. Also provided herein, is a detachable animal containment cage component grommet and methods of use thereof.

Abstract: An aircraft with an aircraft structure that comprises a radome cover opening kinematic and a radome cover shell that is adapted to enclose equipment in a nose region of the aircraft in a closed position. The radome cover opening kinematic may enable movements of the radome cover shell between the closed position and an opened position and vice versa. The radome cover opening kinematic may include a guiding rail that is attached to the radome cover shell, and at least three rollers that are attached to the aircraft structure, wherein a first and a second roller are arranged on opposing sides of the guiding rail, and wherein the second and a third roller are arranged on the same side of the guiding rail.

Abstract: A modular hunting blind with individual components configured to be stored in the base with the top and roof serving as a container top to store and ship the modular hunting blind. The components may be readily assembled on site for placement on the ground or on a stand or platform with minimal tools.

Abstract: A power plant a for an aircraft having a hybrid-electric propulsion system including a nacelle body including therein an electric motor directly connected to a gearbox for driving a propeller, wherein the gearbox is connected directly to a heat motor for driving the propeller, and at least one heat exchanger for cooling the electric motor or the heat motor.

Abstract: The present invention provides a stackable drone and a drone swarm comprising at least two stackable drones. Each drone comprising: a fuselage comprising a first end and a second end; a mating structure arranged in the fuselage and configured to have an opening at the first end of the fuselage, the mating structure forming a mating recess on a first side of the fuselage, the mating recess having an opening at the first side of the fuselage for receiving a mating projection from a further stacking unmanned aerial vehicle. The stackable drones do not require a large area of ground for take-off and landing, require only a small space for storage and transportation. When landing, based on the conical or pyramidal structure, the drone may slide down by gravitational force into the mating recess of another drone thereunder without needs of high precision positioning or alignment system.

Abstract: A method includes providing thrust to an aircraft through a power train from a heat engine connected to the power train. The method includes controlling an electric motor connected to the power train to counter torque ripple in the power train from the heat engine. A system includes a power train for providing thrust to an aircraft. A heat engine is connected to the power train. An electric motor is operatively connected to the power train. A controller is operatively connected to control the electric motor. The controller includes machine readable instructions configured to cause the controller to control the electric motor to counter torque ripple in the power train from the heat engine.

Abstract: Devices and methods for attaching objects to living trees. Various forms of the devices employ a cable that is sized to be wrapped around a circumference of a portion of the living tree and engaged by at least one friction generating member to retain the cable attached to the portion of the living tree without human intervention until another circumference of the portion of the living tree exceeds a length of the cable to enable the cable to automatically disengage the portion of the living tree without the human intervention.

Abstract: An aircraft-fuselage structure with an external skin and reinforcement structure, supporting the external skin and includes transverse reinforcement elements and longitudinal reinforcement elements. A door opening is in the external skin, between two transverse reinforcement elements and between two longitudinal reinforcement elements, and a door arrangement is installed therein, the door arrangement having a door frame fastened in the door opening and a door panel fastened on the door frame. The door frame and/or the door panel have/has an outer surface directed towards the surroundings and having a curvature differing from curvature of the external skin adjacent to the door opening, and an adapter arrangement is on the outer surface of the door frame and/or of the door panel and, on a side directed towards the surroundings, has at least one surface element which steadily continues the curvature of the external skin adjacent to the door opening.

Abstract: Provided herein are compositions and methods comprising a fragrance and from about 0.5 weight % to about 5.0 weight % of a granular malodor adsorbent which can be used to eliminate malodor in animal waste. The granular malodor absorbent can be granular molecular sieves or granulated activated carbon and has a pore size from about 0.4 nm to about 2.0 nm and a total surface area from about 100 m2/g to about 1500 m2/g.

Abstract: A tubular reel seat for fishing rod includes a tubular movable hood and a trigger. The tubular movable hood is disposed on a front side of the reel seat, and includes a hood portion configured to cover a front-end portion of a reel foot of the fishing rod. The trigger is disposed in part of a circumference of an outer circumferential surface of the movable hood on an opposite side of the hood portion, the trigger is configured to be hooked by a finger from the front side.

Abstract: An anti-recoil assembly may include a housing, a shaft, and an energy attenuator. The housing generally defines a cavity, with the housing having a first end portion and a second end portion, according to various embodiments. The shaft may be at least partially disposed within the cavity, and the shaft may be configured to move within the cavity in a first direction from the first end portion to the second end portion. In various embodiments, the energy attenuator is disposed within the cavity at the second end portion. In response to movement of the shaft in the first direction, the energy attenuator is configured to inhibit the shaft from recoiling in a second direction opposite the first direction, according to various embodiments.

Abstract: Smart livestock management method and system based on Internet of things. The smart livestock management system may include a gate. The gate may include a frame forming a moving path of an animal, an external device disposed in the frame and configured to radiate electromagnetic waves toward the moving path and to receive identification information and bio information of the animal from an implant device inserted into the body of the animal passing through the moving path, and a camera configured to obtain image data of the animal passing through the moving path.

Abstract: An actuatable door for an aircraft passenger suite may include a flexible privacy divider configured to actuate between a stowed divider position and a deployed divider position, a cartridge configured to actuate between a stowed cartridge position and a deployed cartridge position via at least one intermediate cartridge position, and a mechanism housed within the cartridge and configured to actuate the flexible privacy divider between the stowed divider position and the deployed divider position, where the flexible privacy divider may be at least partially stowed within the cartridge when in the stowed divider position. The actuatable door may be configured to actuate between a stowed door position and a deployed door position via at least one intermediate door position, and configured to separate the aircraft passenger suite from an open area within an aircraft cabin when in the deployed door position and provide privacy to the aircraft passenger suite.

Abstract: A ducted fan engine module and method of assembling the same is disclosed. In various embodiments, the ducted fan engine module includes a ducted fan engine having a ducted fan case configured to house a fan; a lower V-blade fitting secured to a lower frame; and an upper V-blade fitting secured to an upper frame.

Abstract: An illustrated view of a piddle patio for in care and maintenance of a small pet is presented. The piddle patio allows small pet owners the option to take their pets onto condominium, hotel and apartment balconies to comfortably eliminate, thereby avoiding the hassle of walking through a lobby, taking elevators and dealing with security. The piddle patio also allows those who are high-risk for contracting Covid the ability to avoid human contact and remain quarantined while still allowing their pets to go outside and enjoy fresh air in their own mini dog park.

Abstract: The invention relates to a saddle pad for a horse, comprising at least one side part intended and adapted to extend on one side of a horse's back. The side part is further provided and adapted to be connected to a saddle comprising two saddle panels and two saddle flaps. Optionally, a sweat flap is arranged between the saddle pad and the saddle flap, respectively. It is provided that the side part has on its upper side at least one pocket which is provided and designed to accommodate, at least to some extent, one of the panels of the saddle or a portion of the saddle panel or to accommodate, at least to some extent, one of the saddle flaps or one of the sweat flaps or a portion of the saddle flap or sweat flap.

Abstract: A system and/or method of treating cow feet or the feet of other animals. The present invention simplifies the operation of footbaths by extending the period of time and/or the number of cows that can be walked through prior to needing to refresh the footbath by emptying it and filling it with fresh fluid and treatment chemical.