Patents by Inventor Christopher Bowman

Christopher Bowman 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).

  • Publication number: 20230073797
    Abstract: A nanosecond pulser system is disclosed. In some embodiments, the nanosecond pulser system may include a high voltage power supply; a nanosecond pulser electrically coupled with the high voltage power supply and switches voltage from the high voltage power supply at high frequencies; a transformer having a primary side and a secondary side, the nanosecond pulser electrically coupled with the primary side of the transformer; and an output electrically coupled with the transformer producing a waveform. In some embodiments, the waveform includes a plurality of high voltage pulses having a pulse amplitude greater than about 2 kV, a pulse width, and a pulse repetition frequency; and a sinusoidal waveform having a waveform frequency and a waveform amplitude greater than 100 V.
    Type: Application
    Filed: November 14, 2022
    Publication date: March 9, 2023
    Inventors: Christopher Bowman, Connor Liston, Kenneth Miller, Timothy Ziemba
  • Patent number: 11543192
    Abstract: A splash bar for mounting to a splash bar hanger in a cooling tower includes a first leg defining a longitudinal axis of the splash bar and openings defined through the first leg. The first leg having an outer surface. The outer surface including surface features thereon. The surface features extending at least one of at an acute angle and generally perpendicularly relative to the longitudinal axis. The surface features designed and configured to promote droplet and cooling medium jet formation during operation of the cooling tower.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: January 3, 2023
    Assignee: BRENTWOOD INDUSTRIES, INC.
    Inventors: Frank M. Kulick, III, Christopher Bowman, Nicholas Gavenas
  • Patent number: 11532457
    Abstract: Some embodiments include a pulsing power supply comprising a power supply and a transformer comprising: a transformer core; a primary winding wrapped around a portion of the transformer core, the primary winding having a first lead and a second lead; and a secondary winding wrapped around a portion of the transformer core. The pulsing power supply may also include a first switch electrically connected with the first lead of the primary winding and the power supply; and a second switch electrically connected with the second lead of the primary winding and the power supply, wherein the first switch and the second switch are opened and closed at different time intervals. The pulsing power supply may also include a pulsing output electrically coupled with the secondary winding of the transformer that outputs pulses having a voltage greater than about 2 kV and with pulse frequencies greater than 1 kHz.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: December 20, 2022
    Assignee: Eagle Harbor Technologies, Inc.
    Inventors: Christopher Bowman, Timothy Ziemba, Kenneth Miller, Kevin Muggli, Eric Hanson, James Prager
  • Publication number: 20220328287
    Abstract: In some embodiments, a high voltage power supply is disclosed that provides a plurality of high voltage pulses without any voltage droop between two subsequent pulses. In some embodiments, a high voltage power supply is disclosed that provides a waveform of voltage versus time having a plurality of high voltage pulses having a voltage greater than 1 kV and with a substantially flat portion between pulse. In some embodiments, a high voltage power supply is disclosed that includes a snubber with a snubber resistor having a resistance of about 7.5 m?1.25?; and a snubber capacitor having a capacitance of about 2 ?F-35 ?F.
    Type: Application
    Filed: June 27, 2022
    Publication date: October 13, 2022
    Inventors: Christopher Bowman, Connor Liston, Kenneth Miller, Timothy Ziemba
  • Publication number: 20220325965
    Abstract: A cleaning system for a mass transfer or cooling tower device having an enclosure, an air inlet and an air outlet in the enclosure, and first and second fill packs in the enclosure positioned between the air inlet and the air outlet. The first and second fill packs have peripheries that are positioned proximate to internal walls of the enclosure. The cleaning system includes an inlet connection mounted to the enclosure and a delivery piping system connected to the inlet connection. The delivery piping system includes a cleaning portion positioned within the enclosure between the first and second fill packs. The cleaning portion includes nozzles configured to direct a cleaning fluid onto the first and second fill packs.
    Type: Application
    Filed: March 16, 2022
    Publication date: October 13, 2022
    Inventors: Christopher BOWMAN, Frank M. KULICK, III
  • Patent number: 11404247
    Abstract: In some embodiments, a high voltage power supply is disclosed that provides a plurality of high voltage pulses without any voltage droop between two subsequent pulses. In some embodiments, a high voltage power supply is disclosed that provides a waveform of voltage versus time having a plurality of high voltage pulses having a voltage greater than 1 kV and with a substantially flat portion between pulse. In some embodiments, a high voltage power supply is disclosed that includes a snubber with a snubber resistor having a resistance of about 7.5 m?-1.25?; and a snubber capacitor having a capacitance of about 2 ?F-35 ?F.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: August 2, 2022
    Assignee: Eagle Harbor Technologies, Inc.
    Inventors: Christopher Bowman, Connor Liston, Kenneth Miller, Timothy Ziemba
  • Publication number: 20220205744
    Abstract: A splash bar for mounting to a splash bar hanger in a cooling tower includes a first leg defining a longitudinal axis of the splash bar and openings defined through the first leg. The first leg having an outer surface. The outer surface including surface features thereon. The surface features extending at least one of at an acute angle and generally perpendicularly relative to the longitudinal axis. The surface features designed and configured to promote droplet and cooling medium jet formation during operation of the cooling tower.
    Type: Application
    Filed: July 15, 2019
    Publication date: June 30, 2022
    Inventors: Frank M. KULICK, III, Christopher BOWMAN, Nicholas GAVENAS
  • Patent number: 11359876
    Abstract: A cooling tower splash bar hanger assembly includes a grid comprised of a plurality of wires, including vertical and horizontal wires, defining a plurality of slots. The plurality of vertical wires includes a first vertical wire and a second vertical wire. The plurality of slots includes a first slot. The first slot defines a first slot width. A first splash bar defines a first bar width and is configured for positioning in the first slot supported by one of the plurality of horizontal wires. A second splash bar defines a second bar width. The second splash bar is supported by the one of the plurality of horizontal wires. The first slot width is greater than the first bar width and the second bar width. The first slot width and the first bar width define a size ratio of approximately two to one or greater than two to one.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: June 14, 2022
    Assignee: BRENTWOOD INDUSTRIES, INC.
    Inventors: Frank M. Kulick, III, Christopher Bowman
  • Publication number: 20220146217
    Abstract: A cooling tower splash bar hanger assembly includes a grid comprised of a plurality of wires, including vertical and horizontal wires, defining a plurality of slots. The plurality of vertical wires includes a first vertical wire and a second vertical wire. The plurality of slots includes a first slot. The first slot defines a first slot width. A first splash bar defines a first bar width and is configured for positioning in the first slot supported by one of the plurality of horizontal wires. A second splash bar defines a second bar width. The second splash bar is supported by the one of the plurality of horizontal wires. The first slot width is greater than the first bar width and the second bar width. The first slot width and the first bar width define a size ratio of approximately two to one or greater than two to one.
    Type: Application
    Filed: July 18, 2019
    Publication date: May 12, 2022
    Inventors: Frank M. KULICK, III, Christopher BOWMAN
  • Publication number: 20220037122
    Abstract: A pulse generator is disclosed. The pulse generator includes a DC source; a plurality of switches, a transformer; and a pulsing output. The pulse generator can be coupled with a plasma chamber. The pulsing output outputs high voltage pulses having a peak-to-peak voltage greater than 1 kV and a voltage portion between consecutive high voltage bipolar pulses that has a negative slope that substantially offsets the voltage reduction on a wafer within a plasma chamber due to an ion current. The resulting voltage at the wafer may be substantially flat between consecutive pulses.
    Type: Application
    Filed: October 4, 2021
    Publication date: February 3, 2022
    Inventors: Christopher Bowman, Connor Liston, Kenneth Miller, Timothy Ziemba
  • Publication number: 20220013329
    Abstract: In some embodiments, a high voltage power supply is disclosed that provides a plurality of high voltage pulses without any voltage droop between two subsequent pulses. In some embodiments, a high voltage power supply is disclosed that provides a waveform of voltage versus time having a plurality of high voltage pulses having a voltage greater than 1 kV and with a substantially flat portion between pulse. In some embodiments, a high voltage power supply is disclosed that includes a snubber with a snubber resistor having a resistance of about 7.5 m?-1.25?; and a snubber capacitor having a capacitance of about 2 ?F-35 ?F.
    Type: Application
    Filed: July 9, 2021
    Publication date: January 13, 2022
    Inventors: Christopher Bowman, Connor Liston, Kenneth Miller, Timothy Ziemba
  • Publication number: 20210381771
    Abstract: A drift eliminator is provided that includes a plurality of blades interleaved by a plurality of spacers. Each spacer has a first leg, a second leg, and a support strip, each of the first and second legs including an upper edge and a lower edge, with the support strip extending laterally from the upper edge of the first leg to the upper edge of the second leg. Each blade includes at least one portion having a plurality of alignment slots formed therein, the plurality of alignment slots extending from an upper surface of the blade portion to a lower surface of the blade portion. Each spacer includes a plurality of alignment tabs extending from the first leg and the second leg, each of the plurality of alignment tabs interfiting with a corresponding one of the plurality of alignment slots in the at least one first blade portion.
    Type: Application
    Filed: May 3, 2021
    Publication date: December 9, 2021
    Applicant: Brentwood Industries, Inc.
    Inventors: Luke Lingle, Christopher Bowman, Nicholas Emil Gavenas
  • Patent number: 11174353
    Abstract: Crosslinking compounds for effective and efficient cross-linking and identification of intermolecular and intramolecular interactions of proteins, peptides and nucleic acids.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: November 16, 2021
    Assignee: The Regents of the University of Colorado
    Inventors: William Old, Douglas A. Chapnick, Tristan D. McClure-Begley, Tao Gong, Brady Worrell, Christopher C. Ebmeier, Christopher Bowman
  • Publication number: 20210249227
    Abstract: Some embodiments include a pulsing power supply comprising a power supply and a transformer comprising: a transformer core; a primary winding wrapped around a portion of the transformer core, the primary winding having a first lead and a second lead; and a secondary winding wrapped around a portion of the transformer core. The pulsing power supply may also include a first switch electrically connected with the first lead of the primary winding and the power supply; and a second switch electrically connected with the second lead of the primary winding and the power supply, wherein the first switch and the second switch are opened and closed at different time intervals. The pulsing power supply may also include a pulsing output electrically coupled with the secondary winding of the transformer that outputs pulses having a voltage greater than about 2 kV and with pulse frequencies greater than 1 kHz.
    Type: Application
    Filed: April 19, 2021
    Publication date: August 12, 2021
    Inventors: Christopher Bowman, Timothy Ziemba, Kenneth Miller, Kevin Muggli, Eric Hanson, James Prager
  • Publication number: 20210029815
    Abstract: Some embodiments include a plasma system that includes a plasma chamber; an RF driver driving RF bursts into the plasma chamber with an RF frequency greater than 2 MHz; a nanosecond pulser driving pulses into the plasma chamber with a pulse repetition frequency a peak voltage, the pulse repetition frequency being less than the RF frequency and the peak voltage being greater than 2 kV; a first filter disposed between the RF driver and the plasma chamber; and a second filter disposed between the nanosecond pulser and the plasma chamber.
    Type: Application
    Filed: July 1, 2020
    Publication date: January 28, 2021
    Inventors: Christopher Bowman, Connor Liston, Nicolas A. Yang, Kenneth Miller, Ilia Slobodov, Timothy Ziemba
  • Publication number: 20190256667
    Abstract: Crosslinking compounds for effective and efficient cross-linking and identification of intermolecular and intramolecular interactions of proteins, peptides and nucleic acids.
    Type: Application
    Filed: March 5, 2019
    Publication date: August 22, 2019
    Inventors: William OLD, Douglas A. CHAPNICK, Tristan D. MCCLURE-BEGLEY, Tao GONG, Brady WORRELL, Christopher C. EBMEIER, Christopher BOWMAN
  • Patent number: 10282567
    Abstract: A high voltage inductive adder is disclosed. In some embodiments, the high voltage inductive adder comprising a first adder circuit and a second adder circuit. The first adder circuit including a first source; a first switch electrically coupled with the first source; a first transformer core; and a first plurality of primary windings wound about the first transformer core and electrically coupled with the first switch. The second adder circuit including a second source; a second switch electrically coupled with the second source; a second transformer core; and a second plurality of primary windings wound about the second transformer core and electrically coupled with the second switch. The high voltage inductive adder comprising one or more secondary windings wound around both the first transformer core and the second transformer core and an output coupled with the plurality of secondary windings.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: May 7, 2019
    Assignee: EAGLE HARBOR TECHNOLOGIES, INC.
    Inventors: Kenneth E. Miller, James R. Prager, Timothy M. Ziemba, John G. Carscadden, Christopher Bowman, Ilia Slobodov
  • Patent number: 10189952
    Abstract: A thiol-ene polymeric material is disclosed. The material is produced by the photopolymerization of reactants having thiol and olefin moieties. The material can incorporate encapsulated components, including cells. Additionally, the material can be derivatized by reacting the polymeric material with components such as proteins.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: January 29, 2019
    Assignee: REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORP
    Inventors: Christopher Bowman, Kristi Anseth, Bilge Hacioglu, Charlie Nuttelman
  • Publication number: 20180253570
    Abstract: A high voltage inductive adder is disclosed. In some embodiments, the high voltage inductive adder comprising a first adder circuit and a second adder circuit. The first adder circuit including a first source; a first switch electrically coupled with the first source; a first transformer core; and a first plurality of primary windings wound about the first transformer core and electrically coupled with the first switch. The second adder circuit including a second source; a second switch electrically coupled with the second source; a second transformer core; and a second plurality of primary windings wound about the second transformer core and electrically coupled with the second switch. The high voltage inductive adder comprising one or more secondary windings wound around both the first transformer core and the second transformer core and an output coupled with the plurality of secondary windings.
    Type: Application
    Filed: May 7, 2018
    Publication date: September 6, 2018
    Inventors: Kenneth E. Miller, James R. Prager, Timothy M. Ziemba, John G. Carscadden, Christopher Bowman, Ilia Slobodov
  • Patent number: 9987393
    Abstract: A thiol-yne polymeric material and methods for producing said polymers are disclosed. The material is produced by the radically mediated polymerization of monomers having alkyne and thiol functional groups. The alkyne moiety, internal or terminal, may react with one or two thiols. Degradable monomers may be used to form degradable polymers.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: June 5, 2018
    Assignee: THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY
    Inventors: Kristi Anseth, Ben Fairbanks, Christopher Bowman