Patents by Inventor Joseph Edward Zimmerman

Joseph Edward Zimmerman 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).

  • Propane separation with compressor reboiler
    Patent number: 11643378
    Abstract: A process and apparatus reboil a propylene splitter bottoms by heat exchange and/or a deethanizer bottoms stream with a compressed propylene splitter overhead stream. Use of single splitter compressor and operation of the propane-propylene splitter column at lower pressure are enabled, whereas conventionally two splitter compressors and higher splitter pressure were necessary to provide a propylene product stream and a propane recycle stream of equivalent quality.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: May 9, 2023
    Inventors: Xin X Zhu, Stephen T. King, Glen John Pomorski, Joseph Edward Zimmerman
  • PROPANE SEPARATION WITH COMPRESSOR REBOILER
    Publication number: 20220315510
    Abstract: A process and apparatus reboil a propylene splitter bottoms by heat exchange and/or a deethanizer bottoms stream with a compressed propylene splitter overhead stream. Use of single splitter compressor and operation of the propane-propylene splitter column at lower pressure are enabled, whereas conventionally two splitter compressors and higher splitter pressure were necessary to provide a propylene product stream and a propane recycle stream of equivalent quality.
    Type: Application
    Filed: February 11, 2022
    Publication date: October 6, 2022
    Inventors: Xin X Zhu, Stephen T. King, Glen John Pomorski, Joseph Edward Zimmerman