Patents by Inventor Pingfan Chen

Pingfan Chen 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).

  • DOUBLE-PASSAGE BALANCE STRUCTURE OF CARBURETOR
    Publication number: 20250084807
    Abstract: A double-passage balance structure of a carburetor includes a carburetor body and a float chamber composed of the carburetor body and a housing; the carburetor body is provided with balance passages and a through cavity for the air to enter and mix with a fuel and for a mixture to be output, the balance passages include A and second balance passages, openings of the A and second balance passages in the float chamber are staggered in an axial direction and a radial direction of the cavity, and the opening of the first balance passage in the float chamber is higher than the opening of the second balance passage in the float chamber; and other ends of the A and second balance passages are both communicated with a converging passage provided in the carburetor body, and the converging passage is communicated with the atmosphere.
    Type: Application
    Filed: September 5, 2024
    Publication date: March 13, 2025
    Applicant: Zhejiang Ruixing Electromechanical Technology Co., Ltd.
    Inventors: Yan XU, Qi'an CHEN, Pingfan MO
  • METHOD OF MAKING A CROSSLINKED SILICONE FOAM, CROSSLINKED SILICONE FOAMS PREPARABLE THEREBY, AND ADHESIVE ARTICLE INCLUDING THE SAME
    Publication number: 20250026901
    Abstract: Crosslinked silicone foams can be prepared from first and second poly(organosiloxane)s using electron beam radiation. The first poly(organosiloxane) has Si—H groups and the second poly(organosiloxane) has Si—OH groups. Adhesive articles including pressure-sensitive adhesive crosslinked silicone foams are also disclosed.
    Type: Application
    Filed: November 23, 2022
    Publication date: January 23, 2025
    Inventors: Junkang J. Liu, Pingfan Wu, Jeffrey P. Kalish, Lianzhou Chen
  • MATERIAL FOR 3D PRINTING, 3D PRINTED OBJECT, AND METHOD OF MANUFACTURING 3D PRINTED OBJECT
    Publication number: 20220340742
    Abstract: A material for 3D printing includes a thermoplastic resin, a thermoplastic elastomer, and a filler. The filler includes talc. A content of the filler is 5% by mass or more and 70% by mass or less with respect to a total mass of the material for 3D printing.
    Type: Application
    Filed: September 23, 2020
    Publication date: October 27, 2022
    Applicants: MITSUI CHEMICALS, INC., PRIME POLYMER CO., LTD.
    Inventors: Yuki KONDO, Tomoaki ITO, Fumito TAKEUCHI, Pingfan CHEN
  • EXTENSIBLE NONWOVEN FABRIC AND COMPOSITE NONWOVEN FABRIC COMPRISING SAME
    Publication number: 20110022014
    Abstract: An extensible nonwoven fabric comprises a fiber comprising at least two olefin-based polymers. These olefin-based polymers are of the same kind and have different induction periods of strain-induced crystallization as measured at the same temperature and shear strain rate. A composite nonwoven fabric of the invention comprises at least one layer comprising the extensible nonwoven fabric.
    Type: Application
    Filed: September 30, 2010
    Publication date: January 27, 2011
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: KENICHI SUZUKI, Hisashi Morimoto, Katsuaki Harubayashi, Shigeyuki Motomura, Pingfan Chen
  • Extensible nonwoven fabric and composite nonwoven fabric comprising the same
    Patent number: 7829487
    Abstract: An extensible nonwoven fabric comprises a fiber comprising at least two olefin-based polymers. These olefin-based polymers are of the same kind and have different induction periods of strain-induced crystallization as measured at the same temperature and shear strain rate. A composite nonwoven fabric of the invention comprises at least one layer comprising the extensible nonwoven fabric.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: November 9, 2010
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Kenichi Suzuki, Hisashi Morimoto, Katsuaki Harubayashi, Shigeyuki Motomura, Pingfan Chen
  • Nonwoven fabric capable of being elongated and composite nonwoven fabric comprising said nonwoven fabric laminated
    Publication number: 20060052022
    Abstract: An extensible nonwoven fabric comprises a fiber comprising at least two olefin-based polymers. These olefin-based polymers are of the same kind and have different induction periods of strain-induced crystallization as measured at the same temperature and shear strain rate. A composite nonwoven fabric of the invention comprises at least one layer comprising the extensible nonwoven fabric.
    Type: Application
    Filed: November 25, 2003
    Publication date: March 9, 2006
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kenichi Suzuki, Hisashi Morimoto, Katsuaki Harubayashi, Shigeyuki Motomura, Pingfan Chen
  • Syndiotactic polypropylene resin composition
    Patent number: 5891940
    Abstract: The present invention provides a syndiotactic polypropylene resin composition of excellent moldability comprising 100 parts by weight of a syndiotactic polypropylene and 0.001-10 parts by weight of a diamine/monocarboxylic acid condensate and/or a diamine/monocarboxylic acid/polybasic acid polycondensate. The composition has excellent moldability, particularly, excellent releasability from mold in injection molding; excellent transparency; and good balanced mechanical properties.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: April 6, 1999
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Pingfan Chen, Ichiro Fujio