Abstract: A portable, pumpless water ballast system can be constructed of a flexible water-proof membrane molded or formed of welded panels to make a desired shape, such as cube-shaped when filled with water. Along the top side is an opening for filling the container. A water-proof closure is provided in the opening to prevent water leaking out. An air release valve can be installed near the top area of the container's top or side panels. A handle or strap can also be provided on one or more of the adjacent sides of the container. A plastic threaded drain and closure can be provided on one or more sides to allow for emptying of the container or to attach other features like a hose or other accessory.

Abstract: A lightweight and portable seat step includes a series of laminated flexible layers with a void defined inside of a middle flexible layer to accommodate a thin but very stiff or rigid sheet of material as compared to the flexible layers. The stiff sheet is surrounded by the remainder of the flexible material of the layer that forms a flexible perimeter and the adjacent layers of material. Together, the flexible layers and stiff sheet function as a monolithic body.

Abstract: A washer fluid heater apparatus in embodiments of the invention may include one or more of the following features: (a) a heat exchanger having a washer fluid inlet to allow washer fluid to enter the heat exchanger and a washer fluid outlet to allow the washer fluid to exit the heat exchanger; and (b) a coolant passage traversing through the heat exchanger having a coolant inlet and a coolant outlet, the coolant inlet and coolant outlet operably coupled to an engine's coolant system to allow passage of engine coolant through the heat exchanger.

Abstract: An apparatus for dividing a trash receptacle into sections for the source separation of waste items and recyclable materials. The apparatus is designed to be attached to the top opening of a trash receptacle, and facilitates the use of liner bags placed within the sections to produce compartments for separating and storing the various types of trash and recyclables. The apparatus is adjustable to fit the top of variuos sizes of trash containers and is further adjustable in size, shape and the number of compartments it divides into without inhibiting the use of the container lid. The apparatus can be configured to divide the container into thirds, halves or one half and two quarters to facilitate the separation of recyclables.