Patents by Inventor Li-An Lu

Li-An Lu 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: 12226576
    Abstract: A mask for preventing water from entering a tracheal stoma comprises a neck hanging part and a mask body connected with the neck hanging part. The mask body is worn on a tracheostomy patient through the neck hanging part. A concave space is formed on an inner side of the mask body, a plurality of air vents communicating with the concave space are formed in a lower half of an outer side of the mask body, and a plurality of inclined retaining walls are respectively located in the concave space and respectively connected to a top edge of each of the air vents, and the inclined retaining wall is capable of preventing the concave space from being seen when viewed directly through the air vents of the mask body. The mask of the invention is capable of greatly reducing a risk of water entering the tracheal stoma.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: February 18, 2025
    Inventor: Li-An Lu
  • Publication number: 20230338685
    Abstract: A mask for preventing water from entering a tracheal stoma comprises a neck hanging part and a mask body connected with the neck hanging part. The mask body is worn on a tracheostomy patient through the neck hanging part. A concave space is formed on an inner side of the mask body, a plurality of air vents communicating with the concave space are formed in a lower half of an outer side of the mask body, and a plurality of inclined retaining walls are respectively located in the concave space and respectively connected to a top edge of each of the air vents, and the inclined retaining wall is capable of preventing the concave space from being seen when viewed directly through the air vents of the mask body. The mask of the invention is capable of greatly reducing a risk of water entering the tracheal stoma.
    Type: Application
    Filed: April 22, 2022
    Publication date: October 26, 2023
    Inventor: Li-An LU
  • Patent number: 5495866
    Abstract: An umbrella drip water collector including a receptacle, a sponge mounted within the receptacle, a hollow barrel inserted through a longitudinal center through hole on the sponge and extended out of the bottom center hole on the receptacle and having an outward top flange stopped above the sponge, a top rubber cap cap fastened to the barrel and stopped above the outward flange and defining a stepped center through hole for the insertion of the ferrule of any of a variety of umbrellas into the inside of the barrel, a bottom rubber cap fastened to the bottom end of the barrel to seal the bottom center hole of the receptacle, wherein when the receptacle is moved axially relative to the barrel, water is squeezed out of the sponge by the outward flange of the barrel.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: March 5, 1996
    Assignee: Conser Technology, Inc.
    Inventor: Li-An Lu