Patents by Inventor Robert James Schafer

Robert James Schafer 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).

  • Patent number: 10249481
    Abstract: Two complementary approaches to the science of IMS technology, IMS and differential IMS (DIMS), are combined into a single instrument to provide improvements in interference rejection without sacrificing detection sensitivity. The technology is applicable to, inter alia, the analysis of trace quantities of toxic or otherwise dangerous organic chemical materials. The approach improves both sensitivity and specificity (interference rejection) of field detection instrumentation.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: April 2, 2019
    Assignee: Leidos, Inc.
    Inventors: Charles Stephen Harden, Robert James Schafer
  • Publication number: 20160299102
    Abstract: Two complementary approaches to the science of IMS technology, IMS and differential IMS (DIMS), are combined into a single instrument to provide improvements in interference rejection without sacrificing detection sensitivity. The technology is applicable to, inter alia, the analysis of trace quantities of toxic or otherwise dangerous organic chemical materials. The approach improves both sensitivity and specificity (interference rejection) of field detection instrumentation.
    Type: Application
    Filed: June 23, 2016
    Publication date: October 13, 2016
    Applicant: Leidos, Inc.
    Inventors: Charles Stephen Harden, Robert James Schafer
  • Patent number: 9390898
    Abstract: Two complementary approaches to the science of IMS technology, IMS and differential IMS (DIMS), are combined into a single instrument to provide improvements in interference rejection without sacrificing detection sensitivity. The technology is applicable to, inter alia, the analysis of trace quantities of toxic or otherwise dangerous organic chemical materials. The approach improves both sensitivity and specificity (interference rejection) of field detection instrumentation.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: July 12, 2016
    Assignee: Leidos, Inc.
    Inventors: Charles Stephen Harden, Robert James Schafer