Patents by Inventor Leslie Partridge
Leslie 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).
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Patent number: 9918374Abstract: In one embodiment of the invention, a method of automatically balancing ionized air stream created in bipolar corona discharge is provided. The method comprises: providing an air moving device with at least one ion emitter and reference electrode connected to a micro-pulsed AC power source, and a control system with at least one ion balance monitor and corona discharge adjustment control; generating variable polarity groups of short duration ionizing micro-pulses: wherein said micro-pulses are predominantly asymmetric in amplitude and duration of both polarity voltages and have a magnitude of at least one polarity ionizing pulses exceed the corona threshold.Type: GrantFiled: November 28, 2016Date of Patent: March 13, 2018Assignee: Illinois Tool Works Inc.Inventors: Edward Oldynski, Peter Gefter, Leslie Partridge
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Publication number: 20170079125Abstract: In one embodiment of the invention, a method of automatically balancing ionized air stream created in bipolar corona discharge is provided. The method comprises: providing an air moving device with at least one ion emitter and reference electrode connected to a micro-pulsed AC power source, and a control system with at least one ion balance monitor and corona discharge adjustment control; generating variable polarity groups of short duration ionizing micro-pulses: wherein said micro-pulses are predominantly asymmetric in amplitude and duration of both polarity voltages and have a magnitude of at least one polarity ionizing pulses exceed the corona threshold.Type: ApplicationFiled: November 28, 2016Publication date: March 16, 2017Inventors: Edward Oldynski, Peter Gefter, Leslie Partridge
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Patent number: 9510431Abstract: In one embodiment of the invention, a method of automatically balancing ionized air stream created in bipolar corona discharge is provided. The method comprises: providing an air moving device with at least one ion emitter and reference electrode connected to a micro-pulsed AC power source, and a control system with at least one ion balance monitor and corona discharge adjustment control; generating variable polarity groups of short duration ionizing micro-pulses: wherein said micro-pulses are predominantly asymmetric in amplitude and duration of both polarity voltages and have a magnitude of at least one polarity ionizing pulses exceed the corona threshold.Type: GrantFiled: May 13, 2015Date of Patent: November 29, 2016Assignee: Illinois Tools Works Inc.Inventors: Edward Oldynski, Peter Gefter, Leslie Partridge
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Patent number: 9125284Abstract: In one embodiment of the invention, a method of automatically balancing ionized air stream created in bipolar corona discharge is provided. The method comprises: providing an air moving device with at least one ion emitter and reference electrode connected to a micro-pulsed AC power source, and a control system with at least one ion balance monitor and corona discharge adjustment control; generating variable polarity groups of short duration ionizing micro-pulses: wherein said micro-pulses are predominantly asymmetric in amplitude and duration of both polarity voltages and have a magnitude of at least one polarity ionizing pulses exceed the corona threshold.Type: GrantFiled: March 19, 2014Date of Patent: September 1, 2015Assignee: ILLINOIS TOOL WORKS INC.Inventors: Edward Oldynski, Peter Gefter, Leslie Partridge
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Publication number: 20150245455Abstract: In one embodiment of the invention, a method of automatically balancing ionized air stream created in bipolar corona discharge is provided. The method comprises: providing an air moving device with at least one ion emitter and reference electrode connected to a micro-pulsed AC power source, and a control system with at least one ion balance monitor and corona discharge adjustment control; generating variable polarity groups of short duration ionizing micro-pulses: wherein said micro-pulses are predominantly asymmetric in amplitude and duration of both polarity voltages and have a magnitude of at least one polarity ionizing pulses exceed the corona threshold.Type: ApplicationFiled: May 13, 2015Publication date: August 27, 2015Inventors: Edward Oldynski, Peter Gefter, Leslie Partridge
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Patent number: 9111513Abstract: A luthiery fixture or tool provides for a guitar or other stringed instrument to be rotationally supported and securely held above a surface, such as a work bench. The fixture is especially configured to support instruments having differing body dimensions.Type: GrantFiled: February 1, 2014Date of Patent: August 18, 2015Inventors: Donald Gregory Piper, John Leslie Partridge
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Publication number: 20150221292Abstract: A luthiery fixture or tool provides for a guitar or other stringed instrument to be rotationally supported and securely held above a surface, such as a work bench. The fixture is especially configured to support instruments having differing body dimensions.Type: ApplicationFiled: February 1, 2014Publication date: August 6, 2015Inventors: Donald Gregory Piper, John Leslie Partridge
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Publication number: 20140293496Abstract: In one embodiment of the invention, a method of automatically balancing ionized air stream created in bipolar corona discharge is provided. The method comprises: providing an air moving device with at least one ion emitter and reference electrode connected to a micro-pulsed AC power source, and a control system with at least one ion balance monitor and corona discharge adjustment control; generating variable polarity groups of short duration ionizing micro-pulses: wherein said micro-pulses are predominantly asymmetric in amplitude and duration of both polarity voltages and have a magnitude of at least one polarity ionizing pulses exceed the corona threshold.Type: ApplicationFiled: March 19, 2014Publication date: October 2, 2014Inventors: Edward Oldynski, Peter Gefter, Leslie Partridge
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Patent number: 8773837Abstract: An embodiment of the invention provides a method for generating ions within a space separating an emitter and a reference electrode, the method comprising: generating a variable number of small sharp pulses and rate of the pulses depending on the distance of the target from the emitter.Type: GrantFiled: February 6, 2012Date of Patent: July 8, 2014Assignee: Illinois Tool Works Inc.Inventors: Leslie Partridge, Peter Gefter, Edward Oldynski
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Patent number: 8605407Abstract: A low maintenance AC gas-flow driven static neutralizer, comprising at least one emitter and at least one reference electrode; a power supply having an output electrically coupled to the emitter(s) and a reference terminal electrically coupled to the reference electrode(s) with the power supply disposed to produce an output waveform that creates ions by corona discharge and to produce an electrical field when this output waveform is applied to the emitter(s); a gas flow source disposed to produce a gas flow across a first region that includes these generated ions and the emitter(s), the gas flow including a flow velocity; and wherein, during a first time duration, the output waveform decreases an electrical force created by the electrical field, enabling the gas flow to carry away from the emitter(s) a contamination particle that may be located within a second region surrounding the emitter(s), and to minimize a likelihood of the contamination particle from accumulating on the emitter(s).Type: GrantFiled: August 15, 2011Date of Patent: December 10, 2013Assignee: Illinois Tool Works Inc.Inventors: Peter Gefter, Lawrence Levit, Leslie Partridge, Scott Gehlke
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Publication number: 20120224293Abstract: An embodiment of the invention provides a method for generating ions within a space separating an emitter and a reference electrode, the method comprising: generating a variable number of small sharp pulses and rate of the pulses depending on the distance of the target from the emitter.Type: ApplicationFiled: February 6, 2012Publication date: September 6, 2012Inventors: Leslie Partridge, Peter Gefter, Edward Oldynski
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Publication number: 20110299214Abstract: A low maintenance AC gas-flow driven static neutralizer, comprising at least one emitter and at least one reference electrode; a power supply having an output electrically coupled to the emitter(s) and a reference terminal electrically coupled to the reference electrode(s) with the power supply disposed to produce an output waveform that creates ions by corona discharge and to produce an electrical field when this output waveform is applied to the emitter(s); a gas flow source disposed to produce a gas flow across a first region that includes these generated ions and the emitter(s), the gas flow including a flow velocity; and wherein, during a first time duration, the output waveform decreases an electrical force created by the electrical field, enabling the gas flow to carry away from the emitter(s) a contamination particle that may be located within a second region surrounding the emitter(s), and to minimize a likelihood of the contamination particle from accumulating on the emitter(s).Type: ApplicationFiled: August 15, 2011Publication date: December 8, 2011Inventors: Peter Gefter, Lawrence Levit, Leslie Partridge, Scott Gehlke
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Patent number: 8009405Abstract: A low maintenance AC gas-flow driven static neutralizer, comprising at least one emitter and at least one reference electrode; a power supply having an output electrically coupled to the emitter(s) and a reference terminal electrically coupled to the reference electrode(s) with the power supply disposed to produce an output waveform that creates ions by corona discharge and to produce an electrical field when this output waveform is applied to the emitter(s); a gas flow source disposed to produce a gas flow across a first region that includes these generated ions and the emitter(s), the gas flow including a flow velocity; and wherein, during a first time duration, the output waveform decreases an electrical force created by the electrical field, enabling the gas flow to carry away from the emitter(s) a contamination particle that may be located within a second region surrounding the emitter(s), and to minimize a likelihood of the contamination particle from accumulating on the emitter(s).Type: GrantFiled: March 16, 2008Date of Patent: August 30, 2011Assignee: Ion Systems, Inc.Inventors: Peter Gefter, Lawrence Levit, Leslie Partridge, Scott Gehlke
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Publication number: 20080232021Abstract: A low maintenance AC gas-flow driven static neutralizer, comprising at least one emitter and at least one reference electrode; a power supply having an output electrically coupled to the emitter(s) and a reference terminal electrically coupled to the reference electrode(s) with the power supply disposed to produce an output waveform that creates ions by corona discharge and to produce an electrical field when this output waveform is applied to the emitter(s); a gas flow source disposed to produce a gas flow across a first region that includes these generated ions and the emitter(s), the gas flow including a flow velocity; and wherein, during a first time duration, the output waveform decreases an electrical force created by the electrical field, enabling the gas flow to carry away from the emitter(s) a contamination particle that may be located within a second region surrounding the emitter(s), and to minimize a likelihood of the contamination particle from accumulating on the emitter(s).Type: ApplicationFiled: March 16, 2008Publication date: September 25, 2008Applicant: MKS INSTRUMENTS, INC.Inventors: Peter Gefter, Lawrence Levit, Leslie Partridge, Scott Gehlke
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Publication number: 20070103842Abstract: An improved ionizer for providing an enhanced ion balance of negative and positive ions is disclosed. The ionizer may include a first ion emitter and a second ion emitter; at least one reference electrode coupled to ground; and a power supply for providing an AC voltage to the first and second ion emitter. This power supply is DC isolated from ground. In addition, the present invention includes a first rectifier coupled in series between the first ion emitter and the power supply, a second rectifier coupled in series between the second ion emitter and the power supply. The first and second rectifiers cause a DC bipolar voltage to be created from the first and second ion emitters during operation of the ionizer.Type: ApplicationFiled: November 3, 2006Publication date: May 10, 2007Applicant: MKS INSTRUMENTS, INC.Inventors: Leslie Partridge, Grigoriy Vernitskiy, Peter Gefter
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Patent number: 6515458Abstract: A signal translating circuit is operable on applied input signal through recurring cycles of conduction and non-conduction of a junction type transistor in response to current transfers between inductors in collector and base circuits through an internal conduction path of the collector-base junction. The inductor in the collector circuit is connected to receive the input signal, and bias circuitry connected between the base and emitter receives the input signal for powering cyclic operation at a frequency determined in part by the values of inductance in the base and collector circuits. Output utilization circuitry produces output voltages of opposite polarity from oscillator output pulses of predominantly one polarity.Type: GrantFiled: April 26, 2001Date of Patent: February 4, 2003Assignee: Ion Systems, Inc.Inventor: Leslie Partridge