Patents by Inventor Zhang Lei

Zhang Lei 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).

  • Method of Analyzing Basestocks For Low Temperature Properties
    Publication number: 20080206878
    Abstract: A process for producing lube basestocks involving solvent dewaxing a waxy feed to produce at least a partially dewaxed lube oil boiling range stream and then hydrodewaxing the partially dewaxed lube oil boiling range stream to produce a lube basestock.
    Type: Application
    Filed: November 14, 2005
    Publication date: August 28, 2008
    Inventors: Frank Cheng-Yu Wang, Zhang Lei
  • Analyte test strip port icon
    Patent number: D600812
    Type: Grant
    Filed: June 10, 2008
    Date of Patent: September 22, 2009
    Assignee: Lifescan Scotland Limited
    Inventor: Zhang Lei
  • Test meter
    Patent number: D611151
    Type: Grant
    Filed: June 10, 2008
    Date of Patent: March 2, 2010
    Assignee: LifeScan Scotland, Ltd.
    Inventor: Zhang Lei