Patents by Inventor Pei Zhong Zhen

Pei Zhong Zhen 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: 20150258673
    Abstract: A sander may include a housing, a motor, a sanding platen, and a two-piece fan. The motor may be disposed within the housing and may include an output shaft. The sanding platen may be driven by the motor for movement relative to the housing. The fan may be driven by the motor and may include a first piece formed from a first material and a second piece formed from a second material. The first piece may include a disk-shaped body having first and second opposite sides. The first side may include a plurality of first blades extending therefrom. The second side may include a plurality of second blades extending therefrom and a recess formed therein. The second piece may be received in the recess and may include a counterweight boss formed thereon.
    Type: Application
    Filed: May 27, 2015
    Publication date: September 17, 2015
    Inventors: Brent A. KUEHNE, Earl KELICAN, Xin Lei WANG, Feng CHEN, Pei Zhong ZHEN
  • Patent number: 9102048
    Abstract: A sander may include a housing, a motor, a sanding platen, and a two-piece fan. The motor may be disposed within the housing and may include an output shaft. The sanding platen may be driven by the motor for movement relative to the housing. The fan may be driven by the motor and may include a first piece formed from a first material and a second piece formed from a second material. The first piece may include a disk-shaped body having first and second opposite sides. The first side may include a plurality of first blades extending therefrom. The second side may include a plurality of second blades extending therefrom and a recess formed therein. The second piece may be received in the recess and may include a counterweight boss formed thereon.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: August 11, 2015
    Assignee: BLACK & DECKER INC.
    Inventors: Brent A. Kuehne, Earl Kelican, Jr., Xin Lei Wang, Feng Chen, Pei Zhong Zhen
  • Publication number: 20150151422
    Abstract: A sander may include a housing, a motor, a sanding platen, and a two-piece fan. The motor may be disposed within the housing and may include an output shaft. The sanding platen may be driven by the motor for movement relative to the housing. The fan may be driven by the motor and may include a first piece formed from a first material and a second piece formed from a second material. The first piece may include a disk-shaped body having first and second opposite sides. The first side may include a plurality of first blades extending therefrom. The second side may include a plurality of second blades extending therefrom and a recess formed therein. The second piece may be received in the recess and may include a counterweight boss formed thereon.
    Type: Application
    Filed: November 29, 2013
    Publication date: June 4, 2015
    Applicant: BLACK & DECKER INC.
    Inventors: Brent A. Kuehne, Earl Kelican, JR., Xin Lei Wang, Feng Chen, Pei Zhong Zhen