Patents by Inventor Nobuhiro YUHASHI

Nobuhiro YUHASHI 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).

  • Reciprocating pump
    Patent number: 10119538
    Abstract: In a reciprocating pump which performs a pumping action by causing a reciprocating member to reciprocate as a driving part including a driving shaft accommodated in a driving part case is driven, a portion of the driving part is immersed in a lubricating oil in the driving part case, and one or more ribs are provided on an upper part of an inner wall forming the driving part case so as to be directed inward.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: November 6, 2018
    Assignee: MARUYAMA MFG. CO., INC.
    Inventors: Takayuki Kaneko, Nobuhiro Yuhashi
  • RECIPROCATING PUMP
    Publication number: 20170058890
    Abstract: In a reciprocating pump which performs a pumping action by causing a reciprocating member to reciprocate as a driving part including a driving shaft accommodated in a driving part case is driven, a portion of the driving part is immersed in a lubricating oil in the driving part case, and one or more ribs are provided on an upper part of an inner wall forming the driving part case so as to be directed inward.
    Type: Application
    Filed: August 26, 2016
    Publication date: March 2, 2017
    Inventors: Takayuki KANEKO, Nobuhiro YUHASHI