Patents by Inventor Laszlo Marko
Laszlo Marko 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: 11670930Abstract: Devices are described that support, house, and protect an electrical cable monitoring system that is electrically coupled to an electrical cable. An example support structure includes an elongate body including an interior surface extending along and concentric to an axis of the electrical cable. The body is configured to engage a cable accessory disposed on the electrical cable. The support structure includes a first electrode attached to the interior surface and configured to operatively couple to the cable accessory. The support structure includes a second electrode attached to the body and configured to operatively couple to the shielding layer. The support structure includes a monitoring device attached to the interior surface and operatively coupled to the first and second electrodes. The monitoring device is configured to monitor one or more conditions of the electrical cable or the cable accessory.Type: GrantFiled: September 5, 2019Date of Patent: June 6, 2023Assignees: 3M Innovative Properties Company, Connected Intelligence Systems Ltd.Inventors: Douglas B. Gundel, Laszlo Markos, Lior Embon, Eyal Doron, Udi Blich
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Patent number: 11604215Abstract: A sensor for a separable connector comprises a plug body comprising an insulating resin, the plug body configured to be inserted into the separable connector to encase a high voltage conductor disposed in the separable connector. The sensor also includes one or more high voltage capacitors encased by the insulating resin and configured to be electrically coupled to the separable connector at a first end portion when the plug body is inserted and one or more low voltage capacitors electrically coupled in series to the one or more high voltage capacitors to form a capacitive voltage divider. The sensor also includes a low voltage connection configured to provide a low voltage signal corresponding to a high voltage signal present in the separable connector, the low voltage connection comprising a coaxial contact having a first metal contact and a second metal contact.Type: GrantFiled: April 19, 2021Date of Patent: March 14, 2023Assignee: 3M Innovative Properties CompanyInventors: Christopher R. Wilson, Laszlo Markos, Carl J. Wentzel, Richard D. Twigg
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Patent number: 11327104Abstract: A fault circuit indicator (FCI) detection system for electrical equipment disposed in an enclosure or vault having an above-ground vent pipe exhaust outlet comprises one or more sensors disposed in the enclosure or vault to sense a condition of at least one unit of the electrical equipment. A sensored analytics unit (SAU) is coupled to the sensors to receive sensor data and analyze the sensor data, the SAU generating a corresponding analyzed data signal that provides information related to a condition of the at least one unit of electrical equipment. A transceiver is disposed inside at least a portion of the vent pipe to receive the analyzed data signal, wherein the transceiver is configured to communicate the analyzed data signal. A visual indicator is disposed on or within the vent pipe comprising one or more visual indicators, such as LEDs, driven by a driving circuit board to provide a visual signal corresponding to the condition of the at least one unit of electrical equipment.Type: GrantFiled: August 6, 2019Date of Patent: May 10, 2022Assignee: 3M Innovative Properties CompanyInventors: Ernesto M. Rodriguez, Jr., Laszlo Markos, Jr., Steven E. Turch, Shuguang Wu
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Patent number: 11262387Abstract: A device to measure the voltage at a test point, also referred to as a test point voltage sensor, comprises a housing formed from a first material and a second material, wherein the first material comprises an insulating material and the second material comprises a conductive or semiconductive material. The housing includes an opening configured to cover a test point of a cable accessory. The device further includes a pressure pad, disposed in the housing, having a conductive mating surface configured to contact a test point of the basic insulation plug or end plug. The device further includes a low side capacitor embedded in the housing and electrically coupled to the conductive mating surface. The device further includes a signal wire electrically coupled to the low side capacitor.Type: GrantFiled: September 27, 2019Date of Patent: March 1, 2022Assignee: 3M Innovative Properties CompanyInventors: David V. Mahoney, Carl J. Wentzel, Shuguang Wu, Laszlo Markos, Andrew C. Lottes, James S. McHattie, Christopher R. Wilson, Richard D. Twigg, Pete D. Jordan, Sean C. Davis
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Publication number: 20210344184Abstract: Devices are described that support, house, and protect an electrical cable monitoring system that is electrically coupled to an electrical cable. An example support structure includes an elongate body including an interior surface extending along and concentric to an axis of the electrical cable. The body is configured to engage a cable accessory disposed on the electrical cable. The support structure includes a first electrode attached to the interior surface and configured to operatively couple to the cable accessory. The support structure includes a second electrode attached to the body and configured to operatively couple to the shielding layer. The support structure includes a monitoring device attached to the interior surface and operatively coupled to the first and second electrodes. The monitoring device is configured to monitor one or more conditions of the electrical cable or the cable accessory.Type: ApplicationFiled: September 5, 2019Publication date: November 4, 2021Applicants: 3M Innovative Properties Company, Connected Intelligence Systems, Ltd.Inventors: Douglas B. Gundel, Laszlo Markos, Lior Embon, Eyal Doron, Udi Blich
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Publication number: 20210239743Abstract: A sensor for a separable connector comprises a plug body comprising an insulating resin, the plug body configured to be inserted into the separable connector to encase a high voltage conductor disposed in the separable connector. The sensor also includes one or more high voltage capacitors encased by the insulating resin and configured to be electrically coupled to the separable connector at a first end portion when the plug body is inserted and one or more low voltage capacitors electrically coupled in series to the one or more high voltage capacitors to form a capacitive voltage divider. The sensor also includes a low voltage connection configured to provide a low voltage signal corresponding to a high voltage signal present in the separable connector, the low voltage connection comprising a coaxial contact having a first metal contact and a second metal contact.Type: ApplicationFiled: April 19, 2021Publication date: August 5, 2021Inventors: Christopher R. Wilson, Laszlo Markos, Carl J. Wentzel, Richard D. Twigg
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Publication number: 20210172991Abstract: A fault circuit indicator (FCI) detection system for electrical equipment disposed in an enclosure or vault having an above-ground vent pipe exhaust outlet comprises one or more sensors disposed in the enclosure or vault to sense a condition of at least one unit of the electrical equipment. A sensored analytics unit (SAU) is coupled to the sensors to receive sensor data and analyze the sensor data, the SAU generating a corresponding analyzed data signal that provides information related to a condition of the at least one unit of electrical equipment. A transceiver is disposed inside at least a portion of the vent pipe to receive the analyzed data signal, wherein the transceiver is configured to communicate the analyzed data signal. A visual indicator is disposed on or within the vent pipe comprising one or more visual indicators, such as LEDs, driven by a driving circuit board to provide a visual signal corresponding to the condition of the at least one unit of electrical equipment.Type: ApplicationFiled: August 6, 2019Publication date: June 10, 2021Inventors: Ernesto M. Rodriguez, JR., Laszlo Markos, Steven E. Turch, Shuguang Wu
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Patent number: 10983148Abstract: A sensor for a separable connector comprises a plug body comprising an insulating resin, the plug body configured to be inserted into the separable connector to encase a high voltage conductor disposed in the separable connector. The sensor also includes one or more high voltage capacitors encased by the insulating resin and configured to be electrically coupled to the separable connector at a first end portion when the plug body is inserted and one or more low voltage capacitors electrically coupled in series to the one or more high voltage capacitors to form a capacitive voltage divider. The sensor also includes a low voltage connection configured to provide a low voltage signal corresponding to a high voltage signal present in the separable connector, the low voltage connection comprising a coaxial contact having a first metal contact and a second metal contact.Type: GrantFiled: November 13, 2019Date of Patent: April 20, 2021Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Christopher R. Wilson, Laszlo Markos, Carl J. Wentzel, Richard D. Twigg
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Publication number: 20200158762Abstract: A sensor for a separable connector comprises a plug body comprising an insulating resin, the plug body configured to be inserted into the separable connector to encase a high voltage conductor disposed in the separable connector. The sensor also includes one or more high voltage capacitors encased by the insulating resin and configured to be electrically coupled to the separable connector at a first end portion when the plug body is inserted and one or more low voltage capacitors electrically coupled in series to the one or more high voltage capacitors to form a capacitive voltage divider. The sensor also includes a low voltage connection configured to provide a low voltage signal corresponding to a high voltage signal present in the separable connector, the low voltage connection comprising a coaxial contact having a first metal contact and a second metal contact.Type: ApplicationFiled: November 13, 2019Publication date: May 21, 2020Inventors: Christopher R. Wilson, Laszlo Markos, Carl J. Wentzel, Richard D. Twigg
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Publication number: 20200110114Abstract: A device to measure the voltage at a test point, also referred to as a test point voltage sensor, comprises a housing formed from a first material and a second material, wherein the first material comprises an insulating material and the second material comprises a conductive or semiconductive material. The housing includes an opening configured to cover a test point of a cable accessory. The device further includes a pressure pad, disposed in the housing, having a conductive mating surface configured to contact a test point of the basic insulation plug or end plug. The device further includes a low side capacitor embedded in the housing and electrically coupled to the conductive mating surface. The device further includes a signal wire electrically coupled to the low side capacitor.Type: ApplicationFiled: September 27, 2019Publication date: April 9, 2020Inventors: David V. Mahoney, Carl J. Wentzel, Shuguang WU, Laszlo Markos, Andrew C. Lottes, James S. McHattie, Christopher R. Wilson, Richard D. Twigg, Pete D. Jordan, Sean C. Davis
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Patent number: 8308497Abstract: An end cap and socket system for use with a lamp bulb may include an end cap and a socket body. The end cap may include a first cylindrical portion with a first diameter, and a second cylindrical portion with a second diameter smaller than the first cylindrical portion. The socket may a key portion projecting from a front face of the socket. A adaptor for use with a socket may include a key portion. Alternatively, the end can may include a key disk with a key groove cut into the key disk, and the socket may include a key piece with a key rib structured to couple with the key groove. An adaptor for use with an end cap may include an adaptor body portion and a whole, wherein a contact pin can be inserted through the hole. These keying features are intended to prevent improper coupling between mismatched lamps and sockets or insure that the lamp, when mated to the socket, may be rotated in only one direction.Type: GrantFiled: June 12, 2009Date of Patent: November 13, 2012Assignee: Light Sources, Inc.Inventors: Betty Jean Zayas, Christian L. Sauska, Laszlo Marko
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Publication number: 20100015843Abstract: An end cap and socket system for use with a lamp bulb may include an end cap and a socket body. The end cap may include a first cylindrical portion with a first diameter, and a second cylindrical portion with a second diameter smaller than the first cylindrical portion. The socket may a key portion projecting from a front face of the socket. A adaptor for use with a socket may include a key portion. Alternatively, the end can may include a key disk with a key groove cut into the key disk, and the socket may include a key piece with a key rib structured to couple with the key groove. An adaptor for use with an end cap may include an adaptor body portion and a whole, wherein a contact pin can be inserted through the hole.Type: ApplicationFiled: June 12, 2009Publication date: January 21, 2010Applicant: LIGHT SOURCES, INC.Inventors: Betty Jean Zayas, Christian L. Sauska, Laszlo Marko
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Patent number: 7598457Abstract: An enclosure for use with a telecommunication cable includes a housing for retaining spliced telecommunication lines. At least one of a plurality of connection devices is connected to one of the spliced telecommunication lines within the housing. A primary entrance in the housing allowing simultaneous access to each of the plurality of connection devices in the housing. An adaptor integrally formed in a wall of the housing allows access and extraction of one of the plurality of connection devices through the wall of the housing from an exterior of the housing.Type: GrantFiled: July 17, 2007Date of Patent: October 6, 2009Assignee: 3M Innovative Properties CompanyInventors: William G. Allen, Shirley E. Ball, Sidney J. Berglund, Laszlo Markos, Rutesh D. Parikh
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Publication number: 20070256848Abstract: An enclosure for use with a telecommunication cable includes a housing for retaining spliced telecommunication lines. At least one of a plurality of connection devices is connected to one of the spliced telecommunication lines within the housing. A primary entrance in the housing allowing simultaneous access to each of the plurality of connection devices in the housing. An adaptor integrally formed in a wall of the housing allows access and extraction of one of the plurality of connection devices through the wall of the housing from an exterior of the housing.Type: ApplicationFiled: July 17, 2007Publication date: November 8, 2007Inventors: William Allen, Shirley Ball, Sidney Berglund, Laszlo Markos, Rutesh Parikh
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Patent number: 7256349Abstract: An enclosure for use with a telecommunication cable includes a housing for retaining spliced telecommunication lines. At least one of a plurality of connection devices is connected to one of the spliced telecommunication lines within the housing. A primary entrance in the housing allowing simultaneous access to each of the plurality of connection devices in the housing. An adaptor integrally formed in a wall of the housing allows access and extraction of one of the plurality of connection devices through the wall of the housing from an exterior of the housing.Type: GrantFiled: August 11, 2004Date of Patent: August 14, 2007Assignee: 3M Innovative Properties CompanyInventors: William G. Allen, Shirley E. Ball, Sidney J. Berglund, Laszlo Markos, Rutesh D. Parikh
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Patent number: 7075012Abstract: A terminal box for use with telecommunication lines. The terminal box includes a base and a lid. The base is a molded double wall structure defining a substantially hollow core. The base includes opposing top and bottom walls and opposing end walls, and a back wall extending between the top and bottom walls and the end walls. The lid is movably coupled to the top wall. A portion of at least one of the opposing end walls defines a compressed single wall region forming a telecommunication line port.Type: GrantFiled: June 3, 2005Date of Patent: July 11, 2006Assignee: 3M Innovative Properties CompanyInventors: Kenneth D. Rebers, Charles H. Dodgen, Sergio A. Alarcon, Laszlo Markos, Richard L. Miklos
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Publication number: 20060034578Abstract: An enclosure for use with a telecommunication cable includes a housing for retaining spliced telecommunication lines. At least one of a plurality of connection devices is connected to one of the spliced telecommunication lines within the housing. A primary entrance in the housing allowing simultaneous access to each of the plurality of connection devices in the housing. An adaptor integrally formed in a wall of the housing allows access and extraction of one of the plurality of connection devices through the wall of the housing from an exterior of the housing.Type: ApplicationFiled: August 11, 2004Publication date: February 16, 2006Inventors: William Allen, Shirley Ball, Sidney Berglund, Laszlo Markos, Rutesh Parikh
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Patent number: 3982736Abstract: Transport processes such as emulsification, mass transfer, dissolution, washing or chemical reaction are carried out by admixing two substantially immiscible fluid phases with a rotary agitator having thereon filamentary elements that occupy 0.1% to 20% of the space to be swept thereby, whose thickness is 10-5000 .mu.m and whose thickness-to-length ratio is 1:5 to 1:5000, there being several thousand such elements on the rotor, that rotates at several thousand rpm, the elements having peripheral speed of at least 30 m/s.-- The operation is improved by also including in the fluid medium solid particles of a size 1-1000 .mu.m.Type: GrantFiled: May 20, 1974Date of Patent: September 28, 1976Assignee: Eszakmagyarorszagi VegyimuvekInventors: Lajos Meszaros, Jozsef Grega, Lajos Lako, Laszlo Marko, Zoltan Salamon, Istvan Szatmari, Laszlo Tasi