Patents by Inventor Nathan Bjerke
Nathan Bjerke 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: 20210010247Abstract: A shroud retention system for a work tool is disclosed. The shroud retention system may have an adapter attached to the work tool. The shroud retention system may also have a shroud that slidably engages with the adapter. The shroud may have a retainer slot. Further, the shroud retention system may have a spring assembly disposed in the shroud. The spring assembly may have a block that slidably moves relative to the adapter. The spring assembly may also have a resilient member disposed between the adapter and the block. In addition, the spring assembly may have a retainer disposed in the retainer slot. The retainer may engage with the block. The retainer may have at least one recess disposed on the retainer front face or on the retainer rear face. The recess may extend partway toward the other of the retainer front face or the retainer rear face.Type: ApplicationFiled: September 28, 2020Publication date: January 14, 2021Applicant: CATERPILLAR INC.Inventors: Nathan BJERKE, Scott A. SCHICK, Thomas M. CONGDON
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Patent number: 10883257Abstract: A shroud retention system for a work tool is disclosed. The shroud retention system may have an adapter attached to the work tool, and a shroud having a channel that slides over the adapter. The channel may have a retainer slot. The shroud retention system may further have a spring assembly disposed in the channel and connectable to the adapter. The spring assembly may have a slide compressor that can slide within the channel relative to the adapter. The slide compressor may have a compressor mating feature. The spring assembly may further have a resilient member disposed between the adapter and the slide compressor. The shroud retention system may have a retainer plate disposed in the retainer slot. The retainer plate may have a retainer mating feature that mates with the compressor mating feature such that the retainer plate and the slide compressor are engaged in a locked position.Type: GrantFiled: November 6, 2018Date of Patent: January 5, 2021Assignee: Caterpillar Inc.Inventors: Nathan Bjerke, Scott A. Schick, Thomas M. Congdon
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Publication number: 20200340204Abstract: A wear member configured to be attached to a work implement includes a body defining a front working region, a rear mounting region, a first side region connecting the front working region to the rear mounting region, and a second side region connecting the front working region to the rear mounting region. The rear mounting region includes a plurality of mounting pads and defines at least once recess disposed at least partially on at least one of the plurality of the mounting pads.Type: ApplicationFiled: July 9, 2020Publication date: October 29, 2020Applicant: Caterpillar Inc.Inventors: Nathan Bjerke, Thomas Marshall Congdon
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Patent number: 10808376Abstract: A wear member includes a rear mounting region having a shelf forming a bottom surface and a rear surface or a plurality of mounting pads with at least one recess disposed at least partially on at least one of the plurality of the mounting pads.Type: GrantFiled: March 29, 2018Date of Patent: October 20, 2020Assignee: Caterpillar Inc.Inventors: Nathan Bjerke, Thomas Marshall Congdon
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Publication number: 20200141093Abstract: A shroud retention system for a work tool is disclosed. The shroud retention system may have an adapter attached to the work tool, and a shroud having a channel that slides over the adapter. The channel may have a retainer slot. The shroud retention system may further have a spring assembly disposed in the channel and connectable to the adapter. The spring assembly may have a slide compressor that can slide within the channel relative to the adapter. The slide compressor may have a compressor mating feature. The spring assembly may further have a resilient member disposed between the adapter and the slide compressor. The shroud retention system may have a retainer plate disposed in the retainer slot. The retainer plate may have a retainer mating feature that mates with the compressor mating feature such that the retainer plate and the slide compressor are engaged in a locked position.Type: ApplicationFiled: November 6, 2018Publication date: May 7, 2020Applicant: CATERPILLAR INC.Inventors: Nathan BJERKE, Scott A. SCHICK, Thomas M. CONGDON
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Patent number: 10633820Abstract: A dozing blade assembly includes a dozing blade and a multi-piece cutter mounted to the dozing blade and including an elongate body having a first outer body piece and a second outer body piece that are mirror images of one another, and each including an inboard stem having a linear leading edge profile, and an integral outboard end bit having a curvilinear leading edge profile. The outer body pieces are structured for mounting to the dozing blade such that digging faces of the outer body pieces are oriented at a shallower angle than digging faces of the middle body piece, relative to a horizontal plane.Type: GrantFiled: October 19, 2017Date of Patent: April 28, 2020Assignee: Caterpillar Inc.Inventors: Thomas Congdon, Nathan Bjerke
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Patent number: 10538900Abstract: A wear member for attachment with a work tool includes a body portion configured to be coupled to the work tool. The body portion includes a first outer surface, a second outer surface positioned opposite the first outer surface, a coupling surface configured to engage the work tool, and a wear surface disposed along a front edge of the body portion. The wear member further includes a lifting passage extending through the body portion from the first outer surface to the second outer surface and is positioned between the wear surface and the coupling surface.Type: GrantFiled: November 30, 2017Date of Patent: January 21, 2020Assignee: Caterpillar Inc.Inventor: Nathan Bjerke
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Patent number: 10458100Abstract: A shim for use with a wear member comprises a body that defines a first aperture that includes a closed end and an open end, wherein the first aperture is defined by at least three surfaces including two side surfaces and at least one surface that defines the closed end and that further defines a surface normal that points toward the open end, and a second aperture that includes a closed end and an open end, wherein the second aperture is defined by at least three surfaces including two side surfaces and at least one surface that defines the closed end and that further defines a surface normal that points toward the open end. The surface normal of the first aperture forms an angle with the surface normal of the second aperture that is greater than zero degrees.Type: GrantFiled: September 17, 2018Date of Patent: October 29, 2019Assignee: Caterpillar Inc.Inventors: Nathan Bjerke, Thomas Marshall Congdon
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Publication number: 20190301129Abstract: A wear member includes a rear mounting region having a shelf forming a bottom surface and a rear surface or a plurality of mounting pads with at least one recess disposed at least partially on at least one of the plurality of the mounting pads.Type: ApplicationFiled: March 29, 2018Publication date: October 3, 2019Applicant: Caterpillar Inc.Inventors: Nathan Bjerke, Thomas Marshall Congdon
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Publication number: 20190177954Abstract: A cutting edge component for a work tool on an earth-moving machine may include a longitudinally-extending wear component and a support surface connectable to a moldboard of the earth-moving machine. The wear component may include at least one wear portion connected to the support surface, and the at least one wear portion may form at least one ground engaging edge. The at least one wear portion may include a mild steel body and a plurality of longitudinally-spaced white cast iron teeth vacuum brazed along a distal, ground engaging edge of the mild steel body.Type: ApplicationFiled: December 11, 2017Publication date: June 13, 2019Applicant: CATERPILLAR INC.Inventors: Thomas Marshall CONGDON, Nathan BJERKE
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Publication number: 20190161945Abstract: A wear member for attachment with a work tool includes a body portion configured to be coupled to the work tool. The body portion includes a first outer surface, a second outer surface positioned opposite the first outer surface, a coupling surface configured to engage the work tool, and a wear surface disposed along a front edge of the body portion. The wear member further includes a lifting passage extending through the body portion from the first outer surface to the second outer surface and is positioned between the wear surface and the coupling surface.Type: ApplicationFiled: November 30, 2017Publication date: May 30, 2019Applicant: Caterpillar Inc.Inventor: Nathan Bjerke
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Patent number: 10287754Abstract: A sidebar protecting wear member includes a module having a length extending in a length direction from a first end to a second end, and a width extending in a width direction from a first side to a second side, and a main body portion extending along only a first portion of the length of the module and across the entire width of the module. The module includes a first projecting element adjacent the first end of the module and extending along a second portion of the length to the first end of the length, and extending across only a first portion of the width of the module, and a second projecting element adjacent the second end of the module and extending along a third portion of the length to the second end of the length, and extending across only a second portion of the width of the module.Type: GrantFiled: October 19, 2017Date of Patent: May 14, 2019Assignee: Caterpillar Inc.Inventor: Nathan Bjerke
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Patent number: D867404Type: GrantFiled: January 29, 2019Date of Patent: November 19, 2019Assignee: Caterpillar Inc.Inventors: Nathan Bjerke, Thomas Marshall Congdon
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Patent number: D873306Type: GrantFiled: October 3, 2018Date of Patent: January 21, 2020Assignee: Caterpillar Inc.Inventors: Nathan Bjerke, Thomas Marshall Congdon, Samuel August Buckholz
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Patent number: D882644Type: GrantFiled: October 3, 2018Date of Patent: April 28, 2020Assignee: Caterpillar Inc.Inventors: Nathan Bjerke, Thomas Marshall Congdon, Samuel August Buckholz
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Patent number: D882645Type: GrantFiled: October 3, 2018Date of Patent: April 28, 2020Assignee: Caterpillar Inc.Inventors: Nathan Bjerke, Thomas Marshall Congdon, Samuel August Buckholz
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Patent number: D882646Type: GrantFiled: November 9, 2018Date of Patent: April 28, 2020Assignee: Caterpillar Inc.Inventors: Nathan Bjerke, Thomas Marshall Congdon
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Patent number: D901550Type: GrantFiled: February 12, 2020Date of Patent: November 10, 2020Assignee: Caterpillar Inc.Inventors: Nathan Bjerke, Thomas Marshall Congdon, Samuel August Buckholz
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Patent number: D901551Type: GrantFiled: February 13, 2020Date of Patent: November 10, 2020Assignee: Caterpillar Inc.Inventors: Nathan Bjerke, Thomas Marshall Congdon, Samuel August Buckholz
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Patent number: D901552Type: GrantFiled: February 14, 2020Date of Patent: November 10, 2020Assignee: Caterpillar Inc.Inventors: Nathan Bjerke, Thomas Marshall Congdon