Patents by Inventor John Duerr
John Duerr 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: 11732937Abstract: A multi-profile adapter assembly is disclosed for connecting a pressurized fluid source to two or more different fittings. The adapter assembly includes an injector connector removably attachable to a hose connected to a pressurized fluid source and including an internal conduit for channeling a flow of pressurized fluid. An inner housing is connected to the injector connector and includes a channel leading to a second opening and a cavity configured to receive an access fitting on an AC system. A one way valve controls flow from the conduit in the injector connector into the inner housing. An adapter is connected to the inner housing and includes a first contour configured to engage with a first fitting and a second contour configured to engage with a second fitting. The inner housing and adapter are movable relative to one another for changing the location of the first contour and second contour.Type: GrantFiled: April 25, 2022Date of Patent: August 22, 2023Assignee: Spectronics CorporationInventors: John Duerr, Gabriel Dash
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Patent number: 11519810Abstract: A recovery and recharge apparatus and method for delivering a dose of fluorescent dye to an air conditioning/HVAC system. A supply line provides for both recovering and recharging of refrigerant into the system. The supply line includes a first segment connected to the recovery and recharge unit and having a single internal conduit for channeling reclaimed refrigerant into the recovery and recharge unit and for channeling refrigerant from the reservoir. A dye compartment is fluidly connected to the first segment and includes an interior cavity with an access panel for permitting access to the cavity for receiving a fluorescent dye material. A second segment is fluidly connected to the dye compartment and has an outlet port for connecting to a low side connection on the air conditioning/HVAC system. Preferably one way valves are located on opposite sides of the dye compartment and allow recovered refrigerant to bypass the dye compartment.Type: GrantFiled: September 25, 2019Date of Patent: December 6, 2022Assignee: Spectronics CorporationInventor: John Duerr
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Publication number: 20220364775Abstract: A multi-profile adapter assembly is disclosed for connecting a pressurized fluid source to two or more different fittings. The adapter assembly includes an injector connector removably attachable to a hose connected to a pressurized fluid source and including an internal conduit for channeling a flow of pressurized fluid. An inner housing is connected to the injector connector and includes a channel leading to a second opening and a cavity configured to receive an access fitting on an AC system. A one way valve controls flow from the conduit in the injector connector into the inner housing. An adapter is connected to the inner housing and includes a first contour configured to engage with a first fitting and a second contour configured to engage with a second fitting. The inner housing and adapter are movable relative to one another for changing the location of the first contour and second contour.Type: ApplicationFiled: April 25, 2022Publication date: November 17, 2022Applicant: Spectronics CorporationInventors: John DUERR, Gabriel DASH
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Publication number: 20210041322Abstract: A process for applying a fluorescent leak detection dye to a component of an air conditioning system. The process involves the steps of (i) providing a fluorescent dye that is solid at room temperature, (ii) exposing the dye to an elevated temperature to melt the dye into a liquid or flowable state, (iii) injecting, channeling, spraying or placing the flowable dye into or on a component or an HVAC or A/C system, (iv) allowing the dye to resolidify in or on the component, (v) attaching the component to the HVAC or A/C system, and (iv) dissolving the resolidified dye in a liquid/gas.Type: ApplicationFiled: August 6, 2020Publication date: February 11, 2021Applicant: Spectronics CorporationInventors: John DUERR, Limin CHEN
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Publication number: 20200124493Abstract: A recovery and recharge apparatus and method for delivering a dose of fluorescent dye to an air conditioning/HVAC system. A supply line provides for both recovering and recharging of refrigerant into the system. The supply line includes a first segment connected to the recovery and recharge unit and having a single internal conduit for channeling reclaimed refrigerant into the recovery and recharge unit and for channeling refrigerant from the reservoir. A dye compartment is fluidly connected to the first segment and includes an interior cavity with an access panel for permitting access to the cavity for receiving a fluorescent dye material. A second segment is fluidly connected to the dye compartment and has an outlet port for connecting to a low side connection on the air conditioning/HVAC system. Preferably one way valves are located on opposite sides of the dye compartment and allow recovered refrigerant to bypass the dye compartment.Type: ApplicationFiled: September 25, 2019Publication date: April 23, 2020Applicant: Spectronics CorporationInventor: John DUERR
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Patent number: 10180371Abstract: An ultrasonic detector has a housing containing a transducer, a battery or other power supply, and any other necessary electronics. At a front end of the housing is a socket into which one of a plurality of interchangeable probes can be inserted. At the rear end of the housing, there is a handle by which an operative can hold the detector in use. On the inside of the housing, extending at least partially into the handle, is an elongate chamber within which at least one probe can be stored. A cover of the handle closes a rear end of the probe storage chamber and can be removed to expose a portion of the probe storage chamber and allow a probe to be inserted or removed.Type: GrantFiled: March 30, 2017Date of Patent: January 15, 2019Assignee: Spectronics CorporationInventors: John Duerr, Richard Regan, Robert E. Cannuscio
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Publication number: 20170299460Abstract: An ultrasonic detector has a housing containing a transducer, a battery or other power supply, and any other necessary electronics. At a front end of the housing is a socket into which one of a plurality of interchangeable probes can be inserted. At the rear end of the housing, there is a handle by which an operative can hold the detector in use. On the inside of the housing, extending at least partially into the handle, is an elongate chamber within which at least one probe can be stored. A cover of the handle closes a rear end of the probe storage chamber and can be removed to expose a portion of the probe storage chamber and allow a probe to be inserted or removed.Type: ApplicationFiled: March 30, 2017Publication date: October 19, 2017Inventors: John Duerr, Richard Regan, Robert E. Cannuscio
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Publication number: 20160266002Abstract: A fluorescent dye in combination with an aviation functional fluid. The fluorescent dye is present in the functional fluid from about 0.0001% by weight to about 1% by weight. A method of detecting a leak in an aviation mechanical system that includes a functional fluid with a fluorescent dye. The method would include irradiating select areas of an airplane with a select spectrum of light, and observing an emission from the fluorescent dye.Type: ApplicationFiled: February 22, 2016Publication date: September 15, 2016Applicant: Spectronics CorporationInventors: Jennifer Hunt, John Duerr
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Publication number: 20150191649Abstract: The present invention provides a white-fluorescing dye blend comprising at least one neutral blending oil, a perylene-based compound, naphthalimide-based compound, and a coumarin-based compound. This white-fluorescing dye blend has a substantial fluorescent response to illumination by the entire range of commonly available inspection lamps. The resultant blended dye is an all-purpose blend that is satisfactory for all automotive fluids and all inspection lamps.Type: ApplicationFiled: March 17, 2015Publication date: July 9, 2015Applicant: Spectronics CorporationInventor: John Duerr
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Patent number: 9011716Abstract: The present invention provides a white-fluorescing dye blend comprising at least one neutral blending oil, a perylene-based compound, naphthalimide-based compound, and a coumarin-based compound. This white-fluorescing dye blend has a substantial fluorescent response to illumination by the entire range of commonly available inspection lamps. The resultant blended dye is an all-purpose blend that is satisfactory for all automotive fluids and all inspection lamps.Type: GrantFiled: October 15, 2010Date of Patent: April 21, 2015Assignee: Spectronics CorporationInventor: John Duerr
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Patent number: 8616722Abstract: An inspection lamp with interchangeable mount including a housing having a front and rear, at least one blue/ultraviolet LED for emitting light in a blue/ultraviolet wavelength range from the front of the housing, at least one white LED for emitting broad spectrum visible light from the front of the housing, a mounting apparatus for removably mounting the housing to a mounting fixture, the mounting apparatus including a lamp adapter, and a slot located in the rear of the housing for slidably receiving the lamp adapter.Type: GrantFiled: August 24, 2010Date of Patent: December 31, 2013Assignee: Spectronics CorporationInventors: John Duerr, Gustavo Garcia
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Patent number: 8591066Abstract: A lamp module for use in non-destructive testing and inspection. The module including a module body with a front and rear end, and a side wall. The module body includes a mounting chamber located within the side walls. A plurality of LEDs are mounted within the chamber and oriented to so as to emit light out of the front end of the body. At least one LED emits light having a wavelength selected to produce fluorescence of an illuminated material. A fan is mounted to the body to dissipate heat generated by the LEDs when the fan is activated. Electrical connectors extend out of the body and are electrically connected to the LEDs and the fan for supplying current. The module can be installed in various structures or systems, including in a luminaire, an overhead light housing or a track light system.Type: GrantFiled: August 17, 2009Date of Patent: November 26, 2013Assignee: Spectronics CorporationInventors: Gustavo Garcia, John Duerr, Chih-Tsung Su
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Patent number: 8167449Abstract: An inspection lamp includes a housing with an external opening providing access to a socket having an electrical contact, an interchangeable light source module including a tab adapted to be inserted into the opening and received into the socket, the tab including a mating electrical contact for making an electrical connection with the electrical contact of the socket, the light source module including at least one light emitting diode, and a switch for controlling the light emitted by the light source module.Type: GrantFiled: November 16, 2009Date of Patent: May 1, 2012Assignee: Spectronics CorporationInventor: John Duerr
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Patent number: 8110401Abstract: A blended dye for use in a coolant. In one embodiment of the invention, the blended dye includes a first water miscible dye adapted to fluoresce when illuminated with a light. The first dye preferably has a wavelength of about 340 nm to about 420 nm. The blended dye also includes a second water miscible dye adapted to fluoresce when illuminated with a light having a wavelength of about 400 nm to about 460 nm. The second dye has a different composition from the first dye.Type: GrantFiled: May 18, 2004Date of Patent: February 7, 2012Assignee: Spectronics CorporationInventor: John Duerr
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Publication number: 20110050123Abstract: An inspection lamp with interchangeable mount including a housing having a front and rear, at least one blue/ultraviolet LED for emitting light in a blue/ultraviolet wavelength range from the front of the housing, at least one white LED for emitting broad spectrum visible light from the front of the housing, a mounting apparatus for removably mounting the housing to a mounting fixture, the mounting apparatus including a lamp adapter, and a slot located in the rear of the housing for slidably receiving the lamp adapter.Type: ApplicationFiled: August 24, 2010Publication date: March 3, 2011Inventors: John Duerr, Gustavo Garcia
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Publication number: 20100060197Abstract: An inspection lamp includes a housing with an external opening providing access to a socket having an electrical contact, an interchangeable light source module including a tab adapted to be inserted into the opening and received into the socket, the tab including a mating electrical contact for making an electrical connection with the electrical contact of the socket, the light source module including at least one light emitting diode, and a switch for controlling the light emitted by the light source module.Type: ApplicationFiled: November 16, 2009Publication date: March 11, 2010Applicant: SPECTRONICS CORPORATIONInventor: John Duerr
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Publication number: 20100044589Abstract: A lamp module for use in non-destructive testing and inspection. The module including a module body with a front and rear end, and a side wall. The module body includes a mounting chamber located within the side walls. A plurality of LEDs are mounted within the chamber and oriented to so as to emit light out of the front end of the body. At least one LED emits light having a wavelength selected to produce fluorescence of an illuminated material. A fan is mounted to the body to dissipate heat generated by the LEDs when the fan is activated. Electrical connectors extend out of the body and are electrically connected to the LEDs and the fan for supplying current. The module can be installed in various structures or systems, including in a luminaire, an overhead light housing or a track light system.Type: ApplicationFiled: August 17, 2009Publication date: February 25, 2010Applicant: Spectronics CorporationInventors: Gustavo Garcia, John Duerr, Chih-Tsung Su
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Publication number: 20090295311Abstract: An inspection lamp is disclosed that, in one embodiment, includes a transparent or translucent rod having two ends. Two light sources, one at each end of the rod, are arranged to emit light into the rod toward one another. The rod is located within a housing that has an opening. A reflector is located within the housing to direct the light in the rod toward the opening.Type: ApplicationFiled: May 26, 2009Publication date: December 3, 2009Inventors: John Duerr, Gustavo Garcia, Chih-Tsung Su
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Publication number: 20090295310Abstract: A dual head lamp having a housing, a first head removably attached to the first end of the housing, and a second head removably attached to the second end of the housing. The first head includes at least one non-white light emitting diode configured to emit light with a wavelength of between 250 nm and 500 nm for fluorescent inspection. The second head includes at least one light emitting diode the emits light having a wavelength that is different than the wavelength of the light emitted from the non-white light emitting diode in the first head. The second head is preferably arranged to emit light in a direction opposite the direction of the non-white light emitting diode. A removable battery compartment is within the housing and configured to hold one or more batteries. A button in communication with a circuit allows for control of power to the light emitting diodes.Type: ApplicationFiled: May 26, 2009Publication date: December 3, 2009Inventors: John Duerr, Gustavo Garcia
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Publication number: 20090295307Abstract: A lamp for fluorescent inspection having a housing with a first end and a second end. The first end includes a head having at least one LED which emits light with a wavelength designed to excite a material so as to produce fluorescence. The switch controls power the a circuit within the housing for powering the at least one LED. The circuit retards voltage when voltage exceeds a first threshold. In one embodiment the circuit boosts voltage when voltage drops below a second threshold, and blocks voltage when voltage drops below a third threshold.Type: ApplicationFiled: May 26, 2009Publication date: December 3, 2009Inventors: John Duerr, Gustavo Garcia