U.S. Patent No. 7,650,749

Issued: January 26, 2010
Title: Tidal power station device
Inventor(s): Are Borgesen, Haugesund, Norway

Abstract

      A tidal power station device (1) in which at least one submerged sail (14, 14') is displaceable between two magazines (18, 20).

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U.S. Patent No. 7,650,724

Issued: January 26, 2010
Title: Tube with external channel
Inventor(s): Richard Andrew Hallett, Cumberland, Maine; Richard Anthony Dowzall, Portland, Maine

Abstract

      A tube with an external channel of a complex geometry. The channel does not distort or collapse when the tube is bent 90 degrees with a 4-inch radius. Fabric may be inserted into and securely held in the external channel. The tube is suitable for constructing frames of fabric structures, such as dodgers and biminis for boats, tents, chairs, etc.

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U.S. Patent No. 7,641,046

Issued: January 5, 2010
Title: Water-resistant combination case for handheld electronic devices
Inventor(s): Chun Chee Tsang, Kwai Fong, Hong Kong, China; Fai Wing Luk, Kwai Chung, Kowloon, Hong Kong, China

Abstract

      Combination case for providing a versatile protective case for a handheld device, such as a PDA. The combination case has a rigid inner shell that attaches to an outer shell with a mounting plate. The handheld device is inserted into the rigid inner shell, which is then attached to the rear panel of the outer shell. The rigid inner shell is a three-sided shell that holds the handheld device and allows free access to the LCD display and operational components on the device when the outer shell is open. A soft inner shell may be used instead of the rigid inner shell. This soft inner shell attaches to the outer shell with the mounting plate and provides a water-resistant enclosure for the device.

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