Patents by Inventor Wang Cheng CAI

Wang Cheng CAI 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).

  • Housing for high-pressure fluid applications
    Patent number: 10683862
    Abstract: A housing for use in high-pressure fluid applications, and in particular a structure for the fluid end of a multi-cylinder reciprocating pump used in oilfield, wherein the structure includes features such as ruled surfaces and increased sidewall thickness to improve resistance to stress applied and has an extended the service life.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: June 16, 2020
    Assignee: SERVA GROUP LLC
    Inventors: Bill Ladd, Tang Jun, Wang Cheng Cai
  • HOUSING FOR HIGH-PRESSURE FLUID APPLICATIONS
    Publication number: 20180274536
    Abstract: A housing for use in high-pressure fluid applications, and in particular a structure for the fluid end of a multi-cylinder reciprocating pump used in oilfield, wherein the structure includes features such as ruled surfaces and increased sidewall thickness to improve resistance to stress applied and has an extended the service life.
    Type: Application
    Filed: May 29, 2018
    Publication date: September 27, 2018
    Inventors: Bill Ladd, Tang Jun, Wang Cheng Cai
  • Housing for high-pressure fluid applications
    Patent number: 9989053
    Abstract: A housing for use in high-pressure fluid applications, and in particular a structure for the fluid end of a multi-cylinder reciprocating pump used in oilfield, wherein the structure includes features such as ruled surfaces and increased sidewall thickness to improve resistance to stress applied and has an extended the service life.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: June 5, 2018
    Assignee: SERVA GROUP LLC
    Inventors: Bill Ladd, Tang Jun, Wang Cheng Cai
  • HOUSING FOR HI-PRESSURE FLUID APPLICATIONS
    Publication number: 20160208797
    Abstract: A housing for use in high-pressure fluid applications, and in particular a structure for the fluid end of a multi-cylinder reciprocating pump used in oilfield, wherein the structure includes features such as ruled surfaces and increased sidewall thickness to improve resistance to stress applied and has an extended the service life.
    Type: Application
    Filed: July 30, 2014
    Publication date: July 21, 2016
    Inventors: Bill LADD, Tang JUN, Wang Cheng CAI