Abstract: A system for mounting a panel within an existing window frame. The system includes an elongated fin portion and an elongated carrier. The fin portion has a ridge section, an extension extending from the base end of the ridge section, and a crosspiece coupled to a distal end of the extension. The ridge section tapers from its base end to a deflectable and compressible tip of the ridge section. The crosspiece includes a pair of shoulders at opposite ends of the crosspiece. Each shoulder protrudes laterally beyond the extension. The elongated carrier has a receiving slot opposite a panel gap. The receiving slot has a neck laterally narrower than an interior cavity of the receiving slot. The receiving slot is configured to securely receive the crosspiece of the bulb and to confine the shoulders of the crosspiece.

Abstract: A system for mounting a panel within an existing window frame. The system includes an elongated deformable bulb, and an elongated carrier. The bulb has a resilient portion, a base section, an extension extending from the base section, and a crosspiece coupled to a distal end of the extension. The crosspiece includes a pair of shoulders at opposite ends of the crosspiece. Each shoulder protrudes laterally beyond the extension. The elongated carrier has a receiving slot opposite a panel gap. The receiving slot has a neck laterally narrower than an interior cavity of the receiving slot. The receiving slot is configured to securely receive the crosspiece of the bulb and to confine the shoulders of the crosspiece.

Abstract: A system for mounting a secondary panel within a window frame of an existing window. The system includes a rigid panel, an elongated deformable bulb, and an elongated carrier. The bulb has a resilient, rounded portion and a base section with at least one tongue extending from the base section. The carrier is configured to receive at least a portion of an edge of the panel within a panel gap and to receive, between opposing resilient prongs, the tongue of the bulb. The resilient prongs are configured to diverge to allow a distal end of the tongue to pass between the resilient prongs. Also disclosed is a system for mounting a flexible sheet within a window frame of an existing window.

Abstract: Embodiments of the present invention are directed to a storm window having a controlled blowout mechanism. In some embodiments a blowout from wind pressure is controlled by the shape and orientation of a rigid window panel. Other embodiments include a venting portion with the storm window. Other embodiments rely on variation in restorative force within resilient material used to make the storm window.