Patents by Inventor Lan He

Lan He 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: 20210277049
    Abstract: The present invention relates to a cocrystal of progesterone, which is formed by the active ingredient progesterone and a cocrystal former which is selected from isophthalic acid, 4-formylbenzeneboronic acid and 3-nitrophthalic acid. The present invention also relates to the method for preparing the cocrystal of progesterone and use thereof for increasing the thickness of endometrium, improving progesterone's solubility or increasing progesterone's permeation rate.
    Type: Application
    Filed: March 4, 2021
    Publication date: September 9, 2021
    Inventors: Lan He, Jing Xiong, Xiangxiang Wu, Xin Zhu, Zhonglin Lu, Yan Shi, Na Zhang, Yang Liu
  • Patent number: 9868191
    Abstract: A ratchet wrench includes an annular head, a driving unit, a control unit, a rotary member, a second body, a bead and an end piece. The annular head receives the driving unit therein and a shaft extends from the annular head. The driving unit has a top part and a bottom part, between which a first toothed ring, a first pawl, two second pawls, a third pawl and a second toothed ring are pivotably located. The rotary member is rotatably inserted into an axial hole of the shaft and has third teeth, a recess and an engaging groove. The third teeth are engaged with the first and second toothed rings. A bead biased by a spring located in the shaft and is engaged with the engaging groove. The recess of the rotary member is connected with the second body.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: January 16, 2018
    Inventors: Ya-Lan He, Rong-Suei Chan
  • Publication number: 20170136608
    Abstract: A ratchet wrench includes an annular head, a driving unit, a control unit, a rotary member, a second body, a bead and an end piece. The annular head receives the driving unit therein and a shaft extends from the annular head. The driving unit has a top part and a bottom part, between which a first toothed ring, a first pawl, two second pawls, a third pawl and a second toothed ring are pivotably located. The rotary member is rotatably inserted into an axial hole of the shaft and has third teeth, a recess and an engaging groove. The third teeth are engaged with the first and second toothed rings. A bead biased by a spring located in the shaft and is engaged with the engaging groove. The recess of the rotary member is connected with the second body.
    Type: Application
    Filed: November 17, 2015
    Publication date: May 18, 2017
    Inventors: Ya-Lan He, Rong-Suei Chan
  • Patent number: 9038505
    Abstract: A wrench includes a body having a working end which has a first toothed portion, a first room, a second room, a third room and a first pivot cavity. The second and third rooms open through the top of the body. A driving unit is pivotably connected to the working end and has a first recess and a second recess for receiving a first pawl and a second pawl therein. The first pawl has teeth engaged with the first toothed portion, and the second pawl has teeth engaged with a second toothed portion of a first teeth disk in the first room. A second teeth disk is pivotably located in the second room and has a forth toothed portion which is engaged with a third toothed portion of the first teeth disk. A shaft is pivotably located in the third room and is connected to the second teeth disk.
    Type: Grant
    Filed: July 28, 2013
    Date of Patent: May 26, 2015
    Inventor: Ya-Lan He
  • Publication number: 20150027276
    Abstract: A wrench includes a body having a working end which has a first toothed portion, a first room, a second room, a third room and a first pivot cavity. The second and third rooms open through the top of the body. A driving unit is pivotably connected to the working end and has a first recess and a second recess for receiving a first pawl and a second pawl therein. The first pawl has teeth engaged with the first toothed portion, and the second pawl has teeth engaged with a second toothed portion of a first teeth disk in the first room. A second teeth disk is pivotably located in the second room and has a forth toothed portion which is engaged with a third toothed portion of the first teeth disk. A shaft is pivotably located in the third room and is connected to the second teeth disk.
    Type: Application
    Filed: July 28, 2013
    Publication date: January 29, 2015
    Inventor: Ya-Lan He
  • Publication number: 20070083941
    Abstract: This invention relates to isolated nucleic acid and amino acid sequences of rat TRPM7 gene, expression cassettes nucleic acid sequences of rat TRPM7 gene, recombinant host cells comprising nucleic acid and amino acid sequences of rat TRPM7 gene, and methods of screening for modulators of the TRPM7 gene and protein.
    Type: Application
    Filed: October 3, 2006
    Publication date: April 12, 2007
    Applicant: Wyeth
    Inventors: Lan He, Kodangattil Sreekumar