Patents by Inventor Tzu-cheng Chang

Tzu-cheng Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8240322
    Abstract: A splash-proof umbrella structure comprises a rod passing through a slide sleeve sliding up and down along the rod. The slide sleeve is coupled to support sticks. A piece of umbrella cloth is arranged on the support sticks. The upper side of the rod has a first rod sleeve and a second rod sleeve. The first rod sleeve has first link rods coupled to the support sticks. The second rod sleeve has second link rods coupled to the first link rods. The bottom of the rod has a handle. When getting off a vehicle in rain, the user can open the umbrella in a confined space to prevent from being wetted by rainwater via sliding the slide sleeve upward to stretch the umbrella cloth bottom-up. When not in use, the umbrella cloth can be collapsed via sliding the slide sleeve toward the handle. Further, the handle can collect rainwater.
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: August 14, 2012
    Inventors: Tzu-cheng Chang, Chin-Sen Hsieh, Chih-Chi Chou
  • Publication number: 20120006367
    Abstract: A splash-proof umbrella structure comprises a rod passing through a slide sleeve sliding up and down along the rod. The slide sleeve is coupled to support sticks. A piece of umbrella cloth is arranged on the support sticks. The upper side of the rod has a first rod sleeve and a second rod sleeve. The first rod sleeve has first link rods coupled to the support sticks. The second rod sleeve has second link rods coupled to the first link rods. The bottom of the rod has a handle. When getting off a vehicle in rain, the user can open the umbrella in a confined space to prevent from being wetted by rainwater via sliding the slide sleeve upward to stretch the umbrella cloth bottom-up. When not in use, the umbrella cloth can be collapsed via sliding the slide sleeve toward the handle. Further, the handle can collect rainwater.
    Type: Application
    Filed: July 6, 2010
    Publication date: January 12, 2012
    Inventors: Tzu-cheng Chang, Chin-Sen Hsieh, Chih-Chi Chou
  • Publication number: 20110273866
    Abstract: An umbrella with illumination function comprises an umbrella cloth; a transparent post installed at a top of the umbrella cloth; at least one light emitting element being installed in the transparent post; a hollow body extended from a central portion of the umbrella cloth; a handle installed with a power supply at a top end thereof and a switch for switching the power supply; a conductive wire connected between the switch and the light emitting element; the conductive wire being installed within the hollow body; and a light reflecting unit installed at an inner side of the umbrella cloth. The light emitting element is installed to an upper side of the umbrella cloth so as to provide illumination to the user and thus keep the safety of the user in walking. An inner side of the umbrella cloth is installed with a light reflecting unit for providing a rearview to the user.
    Type: Application
    Filed: May 5, 2010
    Publication date: November 10, 2011
    Inventors: Tzu-Cheng Chang, Chin Lang Lee