Patents by Inventor Leslie Wayne Partridge

Leslie Wayne Partridge 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).

  • Micropulse bipolar corona ionizer and method
    Patent number: 8885317
    Abstract: A solution for static charge neutralization that includes providing at least one pulse train pair to an emitter of an ionizer is disclosed. The pulse train pair is disposed to include a positive pulse train and a negative pulse train that alternate in sequence. The positive pulse train includes an ionizing positive voltage waveform, while the negative pulse train includes an ionizing negative voltage waveform. These ionizing positive and negative voltage waveforms alternately create voltage gradients across the emitter and a reference electrode of the ionizer, generating by corona discharge an ion cloud that includes positive and negative ions.
    Type: Grant
    Filed: February 8, 2011
    Date of Patent: November 11, 2014
    Assignee: Illinois Tool Works Inc.
    Inventor: Leslie Wayne Partridge
  • Self-balancing ionized gas streams
    Patent number: 8416552
    Abstract: Self-balancing, corona discharge for the stable production of electrically balanced and ultra-clean ionized gas streams is disclosed. This result is achieved by promoting the electronic conversion of free electrons into negative ions without adding oxygen or another electronegative gas to the gas stream. The invention may be used with electronegative and/or electropositive or noble gas streams and may include the use of a closed loop corona discharge control system.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: April 9, 2013
    Assignee: Illinois Tool Works Inc.
    Inventors: Peter Gefter, Leslie Wayne Partridge, Lyle Dwight Nelsen
  • MICROPULSE BIPOLAR CORONA IONIZER AND METHOD
    Publication number: 20120200982
    Abstract: A solution for static charge neutralization that includes providing at least one pulse train pair to an emitter of an ionizer is disclosed. The pulse train pair is disposed to include a positive pulse train and a negative pulse train that alternate in sequence. The positive pulse train includes an ionizing positive voltage waveform, while the negative pulse train includes an ionizing negative voltage waveform. These ionizing positive and negative voltage waveforms alternately create voltage gradients across the emitter and a reference electrode of the ionizer, generating by corona discharge an ion cloud that includes positive and negative ions.
    Type: Application
    Filed: February 8, 2011
    Publication date: August 9, 2012
    Applicant: ILLINOIS TOOL WORKS INC.
    Inventor: Leslie Wayne PARTRIDGE
  • Self-balancing ionized gas streams
    Publication number: 20110096457
    Abstract: Self-balancing, corona discharge for the stable production of electrically balanced and ultra-clean ionized gas streams is disclosed. This result is achieved by promoting the electronic conversion of free electrons into negative ions without adding oxygen or another electronegative gas to the gas stream. The invention may be used with electronegative and/or electropositive or noble gas streams and may include the use of a closed loop corona discharge control system.
    Type: Application
    Filed: October 20, 2010
    Publication date: April 28, 2011
    Applicant: Illinois Tool Works Inc.
    Inventors: Peter Gefter, Leslie Wayne Partridge, Lyle Dwight Nelsen