Patents by Inventor Gwo Jong Jeng

Gwo Jong Jeng 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: 20100294088
    Abstract: An adjustable spanner includes a head containing a fixed jaw and a movable jaw; a slide is disposed at bottom of the fixed jaw, and an accommodation trough is disposed in the head; the movable jaw contains an insertion edge corresponding to the slide and tapered surface is disposed on bottom of the insertion edge; a locating member disposed in the accommodation trough of the head with an incline disposed on top of the locating member to contact the tapered surface of the insertion edge on the slide; and the movable jaw is secured at any location on the slide of the head by having both of the tapered surface of the movable jaw and the incline of the locating member to hold against each other.
    Type: Application
    Filed: September 21, 2007
    Publication date: November 25, 2010
    Inventors: Gwo Jong Jeng, Kuan Jung Liu, Yen Chun Heng, Chung Pang Heng
  • Patent number: 7140276
    Abstract: An adjustable wrench includes a fixed body having a first end formed with a fixed jaw, a mediate portion formed with a mounting portion and a second end formed with a receiving recess, and a movable body movably mounted on the fixed body and having a first end formed with a movable jaw facing the fixed jaw and a second end formed with a mounting edge slidably mounted on the mounting portion. Thus, the fixed body has a substantially H-shaped mounting portion, and the movable body has a substantially C-shaped mounting edge slidably mounted on the mounting portion of the fixed body, so that the movable body is mounted on the fixed body rigidly and stably.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: November 28, 2006
    Inventor: Gwo Jong Jeng