Patents by Inventor Lam Yat Wah

Lam Yat Wah 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).

  • Portable reference laser unit and attachment accessory
    Patent number: 7454839
    Abstract: A laser unit for providing at least one of a laser level line and a laser plumb line, where the unit includes both a locked mode and an unlocked (or auto-leveling) mode. In the unlocked mode, the laser unit is configured to provide at least one of a level line or a plumb line when the pendulum assembly is free to settle to a point of equilibrium. In the locked mode, a pendulum locking mechanism locks the laser assembly into a fixed position regardless of the orientation of the laser unit. Optionally, an attachment accessory may also be provided. The attachment accessory preferably includes a ball and socket joint attachment assembly that is configured for attaching the laser unit to the attachment accessory such that the laser unit can be rotated or tilted with respect to the attachment accessory.
    Type: Grant
    Filed: August 22, 2006
    Date of Patent: November 25, 2008
    Assignee: Robotoolz, Ltd.
    Inventors: Mark Alan Della Bona, Sabrina Hofmann, Zhi Qing Jiang, Verena Kehrer, Mark Kam Ming, Stefan Reichl, Andreas Roessner, Lam Yat Wah, Tang Chia Weng, Jiqiang Yang
  • Portable reference laser unit and attachment accessory
    Publication number: 20080047153
    Abstract: A laser unit for providing at least one of a laser level line and a laser plumb line, where the unit includes both a locked mode and an unlocked (or auto-leveling) mode. In the unlocked mode, the laser unit is configured to provide at least one of a level line or a plumb line when the pendulum assembly is free to settle to a point of equilibrium. In the locked mode, a pendulum locking mechanism locks the laser assembly into a fixed position regardless of the orientation of the laser unit. Optionally, an attachment accessory may also be provided. The attachment accessory preferably includes a ball and socket joint attachment assembly that is configured for attaching the laser unit to the attachment accessory such that the laser unit can be rotated or tilted with respect to the attachment accessory.
    Type: Application
    Filed: August 22, 2006
    Publication date: February 28, 2008
    Inventors: Mark Alan Della Bona, Sabrina Hofmann, Zhi Qing Jiang, Verena Kehrer, Mark Kam Ming, Stefan Reichl, Andreas Roessner, Lam Yat Wah, Tang Chia Weng, Jiqiang Yang