Patents by Inventor Mao-Chi Cheng

Mao-Chi Cheng 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: 9968230
    Abstract: Disclosed is a seat-type air-extracting suction apparatus to aid bowel movement having a main body (10), a support frame (20), a vacuum motor (30) and a pressure regulation valve (40), wherein the main body (10) is provided with a loading housing (11), a seat cushion (13) and an extraction box (12), the loading housing (11) has a first through hole (111), the seat cushion (13) is provided on the loading housing (11) and is formed with a guidance hole (131), the guidance hole (131) is aligned with the first through hole (111) of the loading housing (11), the extraction box (12) penetrates through and is provided in the loading housing (11), and an internal space of the extraction box (12) corresponds to the first through hole (111). The support frame (20) is provided on the outside of the main body (10) and is provided with a starting switch (22).
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: May 15, 2018
    Assignee: Chin Chang Trading Company
    Inventor: Mao-Chi Cheng
  • Publication number: 20170095386
    Abstract: The portable defecation assistive equipment comprises a collecting receptacle, a guiding cover, and a pump motor. The collecting receptacle has an opening and a handle. The guiding cover is connected to the collecting receptacle and has a guiding hole. The guiding hole communicates with the opening of the collecting receptacle. The pump motor is connected to the collecting receptacle. The portable defecation assistive equipment has a wing radially formed around the guiding cover, such that the wing and guiding cover can seal the buttock of the user to maintain the negative pressure condition and avoid the reduction of attraction force. The portable defecation assistive equipment adopts a pump motor having smaller attraction. So the portable defecation assistive equipment has no need to adopt an additional pressure regulator valve, the structure is simplified, and the risk of the breakdown of the pressure regulator valve is avoided.
    Type: Application
    Filed: October 2, 2015
    Publication date: April 6, 2017
    Applicant: Chin Chang Trading Company
    Inventor: Mao-Chi CHENG
  • Publication number: 20170000303
    Abstract: Disclosed is a seat-type air-extracting suction apparatus to aid bowel movement having a main body (10), a support frame (20), a vacuum motor (30) and a pressure regulation valve (40), wherein the main body (10) is provided with a loading housing (11), a seat cushion (13) and an extraction box (12), the loading housing (11) has a first through hole (111), the seat cushion (13) is provided on the loading housing (11) and is formed with a guidance hole (131), the guidance hole (131) is aligned with the first through hole (111) of the loading housing (11), the extraction box (12) penetrates through and is provided in the loading housing (11), and an internal space of the extraction box (12) corresponds to the first through hole (111). The support frame (20) is provided on the outside of the main body (10) and is provided with a starting switch (22).
    Type: Application
    Filed: December 17, 2013
    Publication date: January 5, 2017
    Applicant: Chin Chang Trading Company
    Inventor: Mao-Chi Cheng
  • Publication number: 20060230510
    Abstract: A non-invasive excrement expelling auxiliary device includes a toilet bowl having a drainage pipe extending out therefrom. A cover is removably mounted on top of the toilet bowl and has an opening defined through the cover. A vacuum suction device is in communication with the toilet bowl so as to reduce internal pressure inside the toilet bowl. After the opening is fully blocked, activation of the vacuum suction device is able to help expel excrement of a user sitting on the cover of the toilet bowl.
    Type: Application
    Filed: April 19, 2005
    Publication date: October 19, 2006
    Inventor: Mao-Chi Cheng