Patents by Inventor Chih-Wei Feng

Chih-Wei Feng 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).

  • Patent number: 9180340
    Abstract: A respiratory training assembly has a main body, an expiratory training device mounted in the main body and a handle formed on the main body. The main body has a volume barrel, an inspiratory training device, an air channel and an output-input entrance. The inspiratory training device is mounted movably in the volume barrel and has a floating element. The air channel is formed on the main body, communicates with the volume barrel, and has a check valve. The output-input entrance is formed in the main body and communicates with the air channel. In use, the inspiratory flow path and the expiratory flow path of the respiratory training assembly are separated to prevent pollution from the patient's saliva. Additionally, the expiratory training device can be adjusted according to the patient's requirement to improve the training result.
    Type: Grant
    Filed: April 1, 2013
    Date of Patent: November 10, 2015
    Assignee: E-Top Union Inc.
    Inventors: Meng Tsung Hsieh, Chih-Wei Feng
  • Publication number: 20150258300
    Abstract: A humidifier including a water container, a dividing plate and an airway structure is provided. The water container has a top and a bottom opposite to the top. The top of the water container has a first air outlet. The dividing plate is disposed in the water container and dividing an internal space of the water container into a first space and a second space. The first space is defined between the bottom and the dividing plate and the second space is defined between the dividing plate and the top. The airway structure is disposed in the second space and having a certain distance to the top. The airway structure has an air inlet and a second air outlet. The air inlet of the airway structure is connected to a sidewall of the water container and the second air outlet is connected to the dividing plate.
    Type: Application
    Filed: February 12, 2015
    Publication date: September 17, 2015
    Inventors: SHU-HUNG LIN, CHIH-WEI FENG, CHIH-YANG HSIAO
  • Publication number: 20140135176
    Abstract: A respiratory training assembly has a main body, an expiratory training device mounted in the main body and a handle formed on the main body. The main body has a volume barrel, an inspiratory training device, an air channel and an output-input entrance. The inspiratory training device is mounted movably in the volume barrel and has a floating element. The air channel is formed on the main body and communicates with the volume barrel and has a check valve. The output-input entrance is formed in the main body and communicates with the air channel. In use, the inspiratory flow path and the expiratory flow path of the respiratory training assembly are separated to prevent pollution from patient's saliva. Additionally, the expiratory training device can be adjusted according to the patient's requirement to improve the training result.
    Type: Application
    Filed: April 1, 2013
    Publication date: May 15, 2014
    Applicant: E-Top Union Inc.
    Inventors: Meng Tsung Hsieh, Chih-Wei Feng