Patents by Inventor Chang Tsung Chih

Chang Tsung Chih 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).

  • Publication number: 20110079613
    Abstract: A measuring cup structure comprises a drawing pipe set including a drawing tube having a lid to connect with a container, and including a seat having a hollowly conical mouth to communicate with the drawing tube; a measuring assembly including a measuring cup and an upper cap to cover the measuring cup, wherein the measuring cup includes a scale formed on an outer rim thereof to mark graduation, and includes a raised cylinder disposed on a central portion thereof, and between the cylinder and an inner side of the scale is defined a cavity, the cylinder includes a receiving chamber fixed on a bottom end thereof, and includes a hollowly conical head disposed on a top end thereof, and the mouth extends out of the head, the head includes a guiding member fitted thereon and having a conical surface to guide the liquid to the cavity.
    Type: Application
    Filed: November 9, 2009
    Publication date: April 7, 2011
    Inventor: Chang Tsung Chih
  • Publication number: 20090145308
    Abstract: An egg cracker includes a cracking apparatus having a semi-egg-shaped and a sharpened inner annular hooked portion formed on an enlarged lower edge of the cracking apparatus. The cracking apparatus includes a protrusion extending therefrom and a hollow stem longitudinally extending form the protrusion. A crack shaft and a longitudinal resilient member are respectively and sequentially disposed into the stem. A narrowed opening is defined in a distal end of the stem to prevent the resilient member and the crack shaft from detaching from the stem. The crack shaft includes a first end formed with a block and a second end extending through the narrowed opening. A puller is connected to the second end of the crack shaft for pulling the crack shaft and compressing the resilient member.
    Type: Application
    Filed: July 11, 2008
    Publication date: June 11, 2009
    Inventor: Chang Tsung Chih