Apple has been granted a patent that could be used to introduce strong, lightweight carbon fibre casings to future MacBooks.

Apple Insider reports that the patent, which was filed by Apple in November 2009 and granted to the company on Tuesday, is for a "Carbon composite mold design" could be used to create "aesthetically pleasing" components.

Within the patent application, Apple highlights that the invention could be used to "form outer housings for a laptop computer or other similar device."

"It would be beneficial if laptops, notebook computers, and other relatively large and heavy portable computer devices could have outer housing that are able to protect the entire device from drops and other mechanical shocks," reads Apple's patent background, highlighting the aim of its invention.

On Tuesday, Apple was also granted a patent for an "improved housing for a computing device," which adds an illuminable connector, a touch pad arrangement, and a palm rest stiffening plate to a MacBook.

See also:

New Intel Core i7 Extreme Edition chip cracks 3GHz barrier OS X Mountain Lion grabs 20% share of all Macs