Patents by Inventor David Micallef
David Micallef 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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Publication number: 20240091745Abstract: A composite oxidation catalyst for use in an exhaust system for treating an exhaust gas produced by a vehicular compression ignition internal combustion engine is disclosed. The composite oxidation catalyst comprises a honeycomb flow-through substrate monolith and two catalyst washcoat zones arranged axially in series on and along the substrate surface.Type: ApplicationFiled: October 25, 2023Publication date: March 21, 2024Inventors: Andrew CHIFFEY, Kieran COLE, Oliver COOPER, Christopher DALY, Lee GILBERT, Robert HANLEY, David MICALLEF, Francois MOREAU, Paul PHILLIPS, George PLATT
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Patent number: 11845064Abstract: A composite oxidation catalyst (18, 20) for use in an exhaust system for treating an exhaust gas produced by a vehicular compression ignition internal combustion engine (30) and upstream of a particulate matter filter (44, 50) in the exhaust system comprises a substrate (5) having a total length L and a longitudinal axis and having a substrate surface extending axially between a first substrate end (I) and a second substrate end (O); and three or more catalyst washcoat zones (1, 2, 3; or 1, 2, 3, 4) arranged axially in series on and along the substrate surface, wherein a first catalyst washcoat zone (1) having a length L1, wherein L1<L, is defined at one end by the first substrate end (I) and at a second end by a first end (19, 21) of a second catalyst washcoat zone (2) having a length L2, wherein L2<L, wherein the first catalyst washcoat zone (1) comprises a first refractory metal oxide support material and two or more platinum group metal components supported thereon comprising both platinum and pallaType: GrantFiled: June 26, 2020Date of Patent: December 19, 2023Inventors: Andrew Chiffey, Kieran John Cole, Oliver Cooper, Christopher Daly, Lee Gilbert, Robert Hanley, David Micallef, Francois Moreau, Paul Phillips, George Platt
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Publication number: 20230278018Abstract: A compression ignition internal combustion engine (30) for a heavy-duty diesel vehicle comprising an exhaust system (32) comprising a composite oxidation catalyst (12, 42) and a soot filter substrate (44, 50) disposed downstream from the composite oxidation catalyst comprising: a substrate (5), preferably a honeycomb flow-through substrate monolith, having a total length L and a longitudinal axis and having a substrate surface extending axially between a first substrate end (I) and a second substrate end (O); two catalyst washcoat zones (1, 2) arranged axially in series on and along the substrate surface, wherein a first catalyst washcoat zone (1) having a length L1 and comprising a first catalyst washcoat layer (9), wherein L1<L, is defined at one end by the first substrate end (I) and at a second end by a first end (15) of a second catalyst washcoat zone (2) having a length L2 and comprising a second catalyst washcoat layer (11), wherein L2<L, wherein the second catalyst washcoat zone (2) is defined aType: ApplicationFiled: October 13, 2020Publication date: September 7, 2023Inventors: Andrew Francis CHIFFEY, Kieran COLE, Oliver COOPER, Christopher DALY, Lee Alexander GILBERT, Robert HANLEY, David MICALLEF, Francois MOREAU, Paul PHILLIPS, George PLATT
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Publication number: 20230244460Abstract: A method and a system for programming one or more behavior of a field device connected to a network comprising an input programming language to define the one or more behaviors to create an input program, transmitting over the network the input program to a translator coupled to the field device, translating the input program to generate a field program comprising a plurality of tasks and executing said field program by an executor coupled to said field device.Type: ApplicationFiled: April 13, 2023Publication date: August 3, 2023Inventors: David Micallef, Niek Van Dierdonck
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Publication number: 20230211323Abstract: A composite, zone-coated, dual-use ammonia (AMOX) and nitric oxide oxidation catalyst (12) comprises: a substrate (5) having a total length L and a longitudinal axis and having a substrate surface extending axially between a first substrate end (I) and a second substrate end (O); two or more catalyst washcoat zones (1; 2) comprised of a first catalyst washcoat layer (9) comprising a refractory metal oxide support material and one or more platinum group metal components supported thereon and a second catalyst washcoat layer (11) different from the first catalyst washcoat layer (9) and comprising a refractory metal oxide support material and one or more platinum group metal components supported thereon, which two or more catalyst washcoat zones (1; 2) being arranged axially in series on and along the substrate surface, wherein a first catalyst washcoat zone (1) having a length L1, wherein L1<L, is defined at one end by the first substrate end (I) and at a second end (13) by a first end (15) of a second catalType: ApplicationFiled: October 16, 2020Publication date: July 6, 2023Inventors: Andrew Francis CHIFFEY, Kieran COLE, Oliver COOPER, Christopher DALY, Jonas EDVARDSSON, Lee GILLBERT, Alexander GREEN, Neil GREENHAM, Robert HANLEY, Caitlin Lucy JENKINS, Per MARSH, David MICALLEF, Francois MOREAU, George PLATT, Paul Richard PHILLIPS, James WYLIE
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Patent number: 11693640Abstract: A method and a system for programming one or more behavior of a field device connected to a network comprising an input programming language to define the one or more behaviors to create an input program, transmitting over the network the input program to a translator coupled to the field device, translating the input program to generate a field program comprising a plurality of tasks and executing said field program by an executor coupled to said field device.Type: GrantFiled: August 23, 2021Date of Patent: July 4, 2023Assignee: RedLore Canada Inc.Inventors: David Micallef, Niek Van Dierdonck
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Publication number: 20230209309Abstract: Systems and methods for positioning assets over a wireless network are provided. In one embodiment, the method comprises: building, at a topology entity communicatively coupled to a wireless network a low-resolution spatial topology of said wireless network; selecting a list of a plurality of participating anchors for participating in a plurality of ranging events with a participating tag positionally associated with a designated asset; sending to the participating tag and to each of the participating anchors, an indication that a plurality of ranging events is to be executed therebetween; and executing, between the participating tag and each of the participating anchors, a ranging event of said plurality of ranging events; and computing, at a positioning engine a position of the participating tag and the designated asset based on a ranging information generated by the plurality of ranging events.Type: ApplicationFiled: December 23, 2021Publication date: June 29, 2023Inventors: David MICALLEF, Niek VAN DIERDONCK
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Publication number: 20230206740Abstract: Systems and methods for positioning assets over a wireless network are provided. In one embodiment, the method comprises scheduling, at a scheduling entity communicatively coupled to the wireless network, a ranging time to execute a plurality of ranging events between a participating tag associated with a designated asset and selected from a plurality of tags, and each participating anchor of a plurality of participating anchors selected from the plurality of anchors; sending, from the scheduling entity, to the participating tag and to each participating anchor, a corresponding ranging message comprising the ranging time for each ranging event and a list identifying said participating tag and said each of the participating anchors; executing at the ranging time, each ranging event of the plurality of ranging events to produce a corresponding ranging information; and calculating, at a positioning engine a position of said participating tag and said designated asset.Type: ApplicationFiled: December 23, 2021Publication date: June 29, 2023Inventors: David MICALLEF, Niek VAN DIERDONCK
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Publication number: 20220152589Abstract: A composite oxidation catalyst (18, 20) for use in an exhaust system for treating an exhaust gas produced by a vehicular compression ignition internal combustion engine (30) and upstream of a particulate matter filter (44, 50) in the exhaust system comprises a substrate (5) having a total length L and a longitudinal axis and having a substrate surface extending axially between a first substrate end (I) and a second substrate end (O); and three or more catalyst washcoat zones (1, 2, 3; or 1, 2, 3, 4) arranged axially in series on and along the substrate surface, wherein a first catalyst washcoat zone (1) having a length L1, wherein L1<L, is defined at one end by the first substrate end (I) and at a second end by a first end (19, 21) of a second catalyst washcoat zone (2) having a length L2, wherein L2<L, wherein the first catalyst washcoat zone (1) comprises a first refractory metal oxide support material and two or more platinum group metal components supported thereon comprising both platinum and pallaType: ApplicationFiled: June 26, 2020Publication date: May 19, 2022Inventors: Andrew CHIFFEY, Kieran John COLE, Oliver COOPER, Christopher DALY, Lee GILBERT, Robert HANLEY, David MICALLEF, Francois MOREAU, Paul PHILLIPS, George PLATT
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Publication number: 20210382701Abstract: A method and a system for programming one or more behavior of a field device connected to a network comprising an input programming language to define the one or more behaviors to create an input program, transmitting over the network the input program to a translator coupled to the field device, translating the input program to generate a field program comprising a plurality of tasks and executing said field program by an executor coupled to said field device.Type: ApplicationFiled: August 23, 2021Publication date: December 9, 2021Inventors: David Micallef, Niek Van Dierdonck
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Patent number: 11126414Abstract: A method and a system for programming one or more behavior of a field device connected to a network comprising an input programming language to define the one or more behaviors to create an input program, transmitting over the network the input program to a translator coupled to the field device, translating the input program to generate a field program comprising a plurality of tasks and executing said field program by an executor coupled to said field device.Type: GrantFiled: March 13, 2020Date of Patent: September 21, 2021Assignee: RedLoreInventors: David Micallef, Niek Van Dierdonck
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Publication number: 20210286602Abstract: A method and a system for programming one or more behavior of a field device connected to a network comprising an input programming language to define the one or more behaviors to create an input program, transmitting over the network the input program to a translator coupled to the field device, translating the input program to generate a field program comprising a plurality of tasks and executing said field program by an executor coupled to said field device.Type: ApplicationFiled: March 13, 2020Publication date: September 16, 2021Inventors: David Micallef, Niek Van Dierdonck
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Publication number: 20210215645Abstract: Mechanism, which can include systems, methods, and media, for generating an alert of a water hammer event in a steam pipe are provided, the mechanisms comprising: sampling an accelerometer coupled to a steam pipe to provide accelerometer data; determining that the accelerometer data meets or exceeds a threshold; and generating an alert that a water hammer event has occurred based at least in part on the accelerometer data. In some of the mechanisms, the sampling of the accelerometer is performed for a given period of time, and the mechanisms further comprise sampling an ultrasonic sensor for the given period of time to provide ultrasonic sensor data, and wherein the generating the alert is based at least in part on the accelerometer data and the ultrasonic sensor data.Type: ApplicationFiled: March 29, 2021Publication date: July 15, 2021Inventors: Peter Owens, David Micallef
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Patent number: 11016063Abstract: Systems, methods, and media for detecting abnormalities in equipment that emit ultrasonic energy into a solid medium during failure are provided. In some embodiments, devices for monitoring a piece of equipment are provided, the devices comprising: a piezo microphone having a signal output; a mechanical structure acoustically coupling the piezo microphone to the piece of equipment; a hardware processor configured to: receive intensity signals based on the signal output of the piezo microphone; perform a fast Fourier transform on the received intensity signals to produce a set of output band values for each of a plurality of frequency bands; average at least some of the output band values to produce an average value; and calculate a sum of at least some of the output band values; and a transceiver that transmits the sum to a remote device.Type: GrantFiled: February 24, 2020Date of Patent: May 25, 2021Assignee: Latency, LLCInventors: Peter Owens, David Micallef
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Patent number: 10828603Abstract: A catalyst article including a substrate with an inlet end and an outlet end, a first zone and a second zone, where the first zone comprises: a) an ammonia slip catalyst (ASC) bottom layer comprising a platinum group metal on a support; and b) an SCR layer comprising a second SCR catalyst, the SCR layer located over the ASC bottom layer; where the second zone comprises a catalyst (“second zone catalyst”) selected from the group consisting of a diesel oxidation catalyst (DOC) and a diesel exotherm catalyst (DEC); wherein the ASC bottom layer extends into the second zone; and where the first zone is located upstream of the second zone. The ASC bottom layer may include a blend of: (1) the platinum group metal on a support and (2) a first SCR catalyst.Type: GrantFiled: March 29, 2018Date of Patent: November 10, 2020Assignee: Johnson Matthey Public Limited CompanyInventors: Hai-Ying Chen, Joseph Michael Fedeyko, Neil Greenham, Mikael Larsson, Jing Lu, Per Marsh, David Micallef, Andrew Newman
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Patent number: 10807081Abstract: Catalyst articles having an ammonia slip catalyst (ASC) comprising a blend of platinum on a support with low ammonia storage and a first SCR catalyst, and a second catalyst, such as a diesel oxidation catalyst, a diesel exotherm catalyst (DEC), a NOx absorber, a selective catalytic reduction/passive NOx adsorber (SCR/PNA), a cold-start catalyst (CSC) or a three-way catalyst (TWC) are disclosed. The catalyst articles can also contain one or two additional SCR catalysts. The catalysts can be present in one of various configurations. The catalytic articles are useful for selective catalytic reduction (SCR) of NOx in exhaust gases and in reducing the amount of ammonia slip. Methods of using the catalytic articles in an SCR process, where the amount of ammonia slip is reduced, are also described.Type: GrantFiled: February 11, 2019Date of Patent: October 20, 2020Assignee: Johnson Matthey Public Limited CompanyInventors: Mikael Larsson, David Micallef
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Patent number: 10799832Abstract: A catalyst article for treating a flow of a combustion exhaust gas comprises: a catalytically active substrate comprising one or more channels extending along an axial length thereof through which, in use, a combustion exhaust gas flows, the one or more channels having a first surface for contacting a flow of combustion exhaust gas; wherein the substrate is formed of an extruded vanadium-containing SCR catalyst material, wherein a first layer is provided on at least a portion of said first surface, wherein the first layer comprises an ammonia slip catalyst composition comprising one or more platinum group metals supported on titania, a silica-titania mixed oxide, a Ce—Zr mixed oxide, or a mixture thereof, and a second layer is provided on at least a portion of the first layer and comprises an SCR catalyst composition.Type: GrantFiled: March 26, 2018Date of Patent: October 13, 2020Assignee: Johnson Matthey Public Limited CompanyInventors: Heledd Howells, David Micallef, Andrew Newman, Neil Greenham
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Publication number: 20200263829Abstract: Mechanisms for monitoring steam traps for failure are provided, the mechanisms comprising: setting a waiting period of time to an initial value; sampling first energy output by the steam trap; waiting the waiting period of time; sampling second energy output by the steam trap after waiting the waiting period of time; determining whether the second energy output by the steam trap indicates a problem in the steam trap; in response to determining that the second energy output by the steam trap does not indicate a problem in the steam trap, increasing the waiting period of time to an increased period of time; and sampling third energy output by the steam trap after waiting the increased period of time.Type: ApplicationFiled: February 20, 2020Publication date: August 20, 2020Inventors: Peter Owens, David Micallef
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Publication number: 20200191753Abstract: Systems, methods, and media for detecting abnormalities in equipment that emit ultrasonic energy into a solid medium during failure are provided. In some embodiments, devices for monitoring a piece of equipment are provided, the devices comprising: a piezo microphone having a signal output; a mechanical structure acoustically coupling the piezo microphone to the piece of equipment; a hardware processor configured to: receive intensity signals based on the signal output of the piezo microphone; perform a fast Fourier transform on the received intensity signals to produce a set of output band values for each of a plurality of frequency bands; average at least some of the output band values to produce an average value; and calculate a sum of at least some of the output band values; and a transceiver that transmits the sum to a remote device.Type: ApplicationFiled: February 24, 2020Publication date: June 18, 2020Inventors: Peter Owens, David Micallef
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Patent number: 10620170Abstract: Systems, methods, and media for detecting abnormalities in equipment that emit ultrasonic energy into a solid medium during failure are provided. In some embodiments, devices for monitoring a piece of equipment are provided, the devices comprising: a piezo microphone having a signal output; a mechanical structure acoustically coupling the piezo microphone to the piece of equipment; a hardware processor configured to: receive intensity signals based on the signal output of the piezo microphone; perform a fast Fourier transform on the received intensity signals to produce a set of output band values for each of a plurality of frequency bands; average at least some of the output band values to produce an average value; and calculate a sum of at least some of the output band values; and a transceiver that transmits the sum to a remote device.Type: GrantFiled: January 30, 2018Date of Patent: April 14, 2020Assignee: Latency, LLCInventors: Peter Owens, David Micallef