Patents by Inventor Kelvin Chiu Yuet Tsang

Kelvin Chiu Yuet Tsang 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).

  • Lighter
    Patent number: 6695610
    Abstract: The present invention involves a lighter for preventing unintended use. In one aspect, a striker wheel including a rotation limiting means is provided, where an arc formed by the rotation limiting means is preferably greater than about 100° and less than or equal to about 220°. The rotation limiting means may comprise a single or multiple protrusions, a shield extending from one or more outer grip wheels, or a cover attached to a periphery of the striking wheel.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: February 24, 2004
    Assignee: Trend & Aim International Limited
    Inventor: Kelvin Chiu Yuet Tsang
  • Lighter
    Publication number: 20020160328
    Abstract: The present invention involves a lighter for preventing unintended use. In one aspect, a striker wheel including a rotation limiting means is provided, where an arc formed by the rotation limiting means is preferably greater than about 100° and less than or equal to about 220°. The rotation limiting means may comprise a single or multiple protrusions, a shield extending from one or more outer grip wheels, or a cover attached to a periphery of the striking wheel.
    Type: Application
    Filed: April 25, 2001
    Publication date: October 31, 2002
    Applicant: TREND & AIM INTERNATIONAL LIMITED
    Inventor: Kelvin Chiu Yuet Tsang