Patents by Inventor Xiaomei Feng

Xiaomei 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: 11972219
    Abstract: This application discloses an intent recognition optimization processing method, apparatus, device and storage medium, and relates to the field of internet technology. The implementation scheme of specific method includes: acquiring a first intent set and at least one original corpus; acquiring a first recognition result of each original corpus, where the first recognition result of any one of the original corpus includes a first intent corresponding to the original corpus recognized by the intent recognition model; acquiring a second recognition result of each original corpus, where the second recognition result of any one of the original corpus includes a second intent corresponding to the original corpus obtained through artificial recognition; and performing optimization processing on the first intent set to obtain a second intent set according to the first recognition result and the second recognition result of each original corpus.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: April 30, 2024
    Assignees: Beijing Baidu Netcom Science Technology Co., Ltd., BAIDU USA LLC
    Inventors: Zeyu Ning, Xuchen Yao, Wenhao Fang, Bo Fu, Liqin Feng, Xiaomei Chu
  • Patent number: 8784744
    Abstract: The present invention discloses an apparatus for thermally refining phosphorus. The apparatus comprises: a melting furnace for melting rock phosphate into melts, including a feed port and a melt outlet; and a reduction-oxidation furnace including a furnace body which gas a melt inlet, a slag outlet, and a fume outlet, and a blow gun, wherein the melt inlet and the melt outlet are in communication with each other and wherein the blow gun has an end inserted into the furnace body. The content of impurities in fumes containing phosphorus pentaoxide is low, and the phosphorus pentaoxide can be easily extracted with a high purity of the phosphorus pentaoxide and at low cost by means of the apparatus for thermally refining phosphorus according to the present invention.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: July 22, 2014
    Assignees: China Enfi Engineering Corp., Sichuan Chuanheng Chemical Corporation
    Inventors: Xiaomei Feng, Jin Li, Dong Li, Guangming Li, Zhenmin Zhang, Jiacai Wang, Jian Zou, Yongqiang Ma, Jun Hou
  • Patent number: 8741226
    Abstract: The present invention discloses a reduction-oxidation furnace for thermally refining phosphorus. The reduction-oxidation furnace comprises a furnace body and a blow gun, wherein the furnace body has a slag outlet, a fume outlet, and a melt inlet for feeding melts formed by melting rock phosphate into the furnace body and wherein the blow gun has an end inserted into the furnace body. The content of impurities in fumes containing phosphorus pentaoxide is low, the phosphorus pentaoxide can be easily extracted with a high purity of the phosphorus pentaoxide and at low cost by means of the reduction-oxidation furnace for thermally refining phosphorus according to the present invention.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: June 3, 2014
    Assignees: China Enfi Engineering Corp., Sichuan Chuanheng Chemical Corporation
    Inventors: Xiaomei Feng, Jin Li, Dong Li, Guangming Li, Zhenmin Zhang, Jiacai Wang, Jian Zou, Yongqiang Ma, Jun Hou
  • Publication number: 20120134885
    Abstract: The present invention discloses a reduction-oxidation furnace for thermally refining phosphorus. The reduction-oxidation furnace comprises a furnace body and a blow gun, wherein the furnace body has a slag outlet, a fume outlet, and a melt inlet for feeding melts formed by melting rock phosphate into the furnace body and wherein the blow gun has an end inserted into the furnace body. The content of impurities in fumes containing phosphorus pentaoxide is low, the phosphorus pentaoxide can be easily extracted with a high purity of the phosphorus pentaoxide and at low cost by means of the reduction-oxidation furnace for thermally refining phosphorus according to the present invention.
    Type: Application
    Filed: May 27, 2010
    Publication date: May 31, 2012
    Applicants: Sichuan Chuanheng Chemical Corporation, China Enfi Engineering Corp.
    Inventors: Xiaomei Feng, Jin Li, Dong Li, Guangming Li, Zhenmin Zhang, Jiacai Wang, Jian Zou, Yongqiang Ma, Jun Hou
  • Publication number: 20120128544
    Abstract: The present invention discloses an apparatus for thermally refining phosphorus. The apparatus comprises: a melting furnace for melting rock phosphate into melts, including a feed port and a melt outlet; and a reduction-oxidation furnace including a furnace body which gas a melt inlet, a slag outlet, and a fume outlet, and a blow gun, wherein the melt inlet and the melt outlet are in communication with each other and wherein the blow gun has an end inserted into the furnace body. The content of impurities in fumes containing phosphorus pentaoxide is low, and the phosphorus pentaoxide can be easily extracted with a high purity of the phosphorus pentaoxide and at low cost by means of the apparatus for thermally refining phosphorus according to the present invention.
    Type: Application
    Filed: May 27, 2010
    Publication date: May 24, 2012
    Applicants: Sichuan Chuanheng Chemical Corporation, China Enfi Engineering Corp.
    Inventors: Xiaomei Feng, Jin Li, Dong Li, Guangming Li, Zhenmin Zhang, Jiacai Wang, Jian Zou, Yongqiang Ma, Jun Hou
  • Publication number: 20120071480
    Abstract: This invention relates to novel compounds having the formula (I): and to their pharmaceutical compositions and to their methods of use. These novel compounds provide a treatment for cancer.
    Type: Application
    Filed: December 1, 2011
    Publication date: March 22, 2012
    Inventors: Xiaomei Feng, Huiping Guan, Stephanos Ioannidis, Bo Peng, Mei Su, Tao Wang, Hai-Jun Zhang, Ying Kan, Bin Wang
  • Patent number: 8088784
    Abstract: This invention relates to novel compounds having the formula (I) and to their pharmaceutical compositions and to their methods of use. These novel compounds provide a treatment for cancer.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: January 3, 2012
    Assignee: AstraZeneca AB
    Inventors: Xiaomei Feng, Huiping Guan, Ying Kang, Stephanos Ioannidis, Bo Peng, Mei Su, Bin Wang, Tao Wang, Hai-Jun Zhang
  • Publication number: 20100166819
    Abstract: The invention is related to compounds of formula (I) that can be used as antagonists of the TGF? family type I receptors, Alk5 and/or Alk4, compositions and methods of use. The compounds of formula (I) can be employed in the prevention and/or treatment of diseases such as fibrosis (e.g., renal fibrosis, pulmonary fibrosis, and hepatic fibrosis), progressive cancers, or other diseases for which reduction of TGF? family signaling activity is desirable.
    Type: Application
    Filed: December 22, 2006
    Publication date: July 1, 2010
    Inventors: Wen-Cherng Lee, Lihong Sun, Michael Hoemann, Deqiang Niu, Dingxue Yan, Claudio Chuaqui, Russell Petter, Helen (Xiaomei) Feng
  • Publication number: 20100160325
    Abstract: This invention relates to novel compounds having the formula (I) and to their pharmaceutical compositions and to their methods of use. These novel compounds provide a treatment for cancer.
    Type: Application
    Filed: February 26, 2010
    Publication date: June 24, 2010
    Applicant: ASTRAZENECA AB
    Inventors: Xiaomei Feng, Huiping Guan, Stephanos Ioannidis, Bo Peng, Mei Su, Tao Wang, Hai-Jun Zhang, Ying Kan, Bin Wang
  • Publication number: 20080287475
    Abstract: This invention relates to novel compounds having the formula (I) and to their pharmaceutical compositions and to their methods of use. These novel compounds provide a treatment for cancer.
    Type: Application
    Filed: October 26, 2006
    Publication date: November 20, 2008
    Applicant: ASTRAZENECA AB
    Inventors: Xiaomei Feng, Huiping Guan, Ying Kan, Stephanos Ioannidis, Bo Peng, Mei Su, Bin Wang, Tao Wang, Hai-Jun Zhang