Patents by Inventor Douglas C. Serrurier
Douglas C. Serrurier 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: 20240344302Abstract: The top cover defines a first fastener receiving void that is disposed along the direction of material flow between the forward ramp portion and the rear edge. The top male angled surface of the top cover defines a first material flow groove that extends along the direction of material flow, and includes a first flow ramp. The first material flow groove is disposed adjacent along the lateral direction and the direction of material flow to the first fastener receiving void.Type: ApplicationFiled: May 29, 2024Publication date: October 17, 2024Applicant: Caterpillar Inc.Inventors: Corey Michael WELLS, Douglas C. SERRURIER
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Publication number: 20240309617Abstract: The top cover defines a first fastener receiving void that is disposed along the direction of material flow between the forward ramp portion and the rear edge. The top male angled surface of the top cover defines a first material flow groove that extends along the direction of material flow, and includes a first flow ramp. The first material flow groove is disposed adjacent along the lateral direction and the direction of material flow to the first fastener receiving void.Type: ApplicationFiled: May 29, 2024Publication date: September 19, 2024Applicant: Caterpillar Inc.Inventors: Corey Michael WELLS, Douglas C. SERRURIER
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Patent number: 12031304Abstract: The top cover defines a first fastener receiving void that is disposed along the direction of material flow between the forward ramp portion and the rear edge. The top male angled surface of the top cover defines a first material flow groove that extends along the direction of material flow, and includes a first flow ramp. The first material flow groove is disposed adjacent along the lateral direction and the direction of material flow to the first fastener receiving void.Type: GrantFiled: May 20, 2021Date of Patent: July 9, 2024Assignee: Caterpillar Inc.Inventors: Corey Michael Wells, Douglas C. Serrurier
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Patent number: 11976439Abstract: A cutting edge tip includes an attachment portion defining an adapter receiving void. A working portion extends forwardly from the attachment portion. A first lateral end portion is disposed along the lateral direction, the first lateral end portion defining a first lateral end surface that jogs laterally. Also, a second lateral end portion is disposed along the lateral direction opposite of the first lateral end portion. The second lateral end portion also defines a second lateral end surface that jogs laterally.Type: GrantFiled: May 27, 2021Date of Patent: May 7, 2024Assignee: Caterpillar Inc.Inventors: Corey Michael Wells, Douglas C. Serrurier, Jason Grant Jura
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Patent number: 11970841Abstract: An adaptor includes a body defining a longitudinal axis, and a transverse axis that is normal to the longitudinal axis. The body also has a leading portion defining a lock receiving recess extending transversely at least partially through the leading portion, and a wire receiving conduit that is in communication with the lock receiving recess. The lock receiving recess defines a width and a depth with a ratio of the depth to width is greater than 1.0.Type: GrantFiled: November 5, 2021Date of Patent: April 30, 2024Assignee: Caterpillar Inc.Inventor: Douglas C. Serrurier
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Publication number: 20240102268Abstract: A wear member includes a forward working portion that is disposed along its longitudinal axis including a closed end, and a rear attachment portion that is disposed along the longitudinal axis including an open end with an exterior surface, and an interior surface. The interior surface defines an interior counterbore with a major diameter, and a minor diameter. A ratio of the major diameter to the minor diameter ranges from 1.8 to 2.2.Type: ApplicationFiled: December 4, 2023Publication date: March 28, 2024Applicant: CATERPILLAR INC.Inventors: Douglas C. SERRURIER, Eric T. SINN, Jason Grant JURA, Corey Michael WELLS
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Patent number: 11939740Abstract: Each of the plurality of center notches and the first and the second end notches of a base edge includes a different configuration including a different end notch depth along the direction of assembly that is greater than a center notch depth along the direction of assembly.Type: GrantFiled: November 18, 2020Date of Patent: March 26, 2024Assignee: Caterpillar Inc.Inventors: Douglas C. Serrurier, Eric T. Sinn, Rammagy Yoeu
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Publication number: 20240084558Abstract: A spring loaded retainer includes a lug receiving portion defining a first maximum outside dimension, the lug receiving portion also defining a lug receiving slot that extends partially through the lug receiving portion, forming a first sidewall, a second sidewall, and a catch surface connecting the first sidewall to the second sidewall. A drive portion defines a second maximum outside dimension, and a first flat is disposed on the outside of the lug receiving portion proximate to the first sidewall or the second sidewall.Type: ApplicationFiled: November 20, 2023Publication date: March 14, 2024Applicant: Caterpillar Inc.Inventors: Corey Michael Wells, Jason Grant Jura, Eric T. Sinn, Douglas C. Serrurier
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Patent number: 11905686Abstract: A wear member includes a body defining an exterior with an outside perimeter, an interior aperture with an at least partially interior polygonal perimeter, and at least one fastener receiving hole extending from the exterior to the interior aperture. The exterior lacks any large openings to limit the risk of material packing.Type: GrantFiled: July 28, 2021Date of Patent: February 20, 2024Assignee: Caterpillar Inc.Inventors: Douglas C. Serrurier, Andrew William Young, Graham Ray Hartoonian-Parizek
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Patent number: 11898588Abstract: A tip assembly includes a tip including a body having a narrow tip portion, a broad attachment portion that defines a concave surface, an interior disposed between the broad attachment portion and the narrow tip portion, and a cavity that leads from the concave surface toward the interior. A retention bolt that is heated includes a tapered region, and a shaft extending from the tapered region, terminating at an externally threaded end. The cavity of the tip is at least partially complimentarily shaped to the tapered region of the retention bolt.Type: GrantFiled: February 26, 2020Date of Patent: February 13, 2024Assignee: Caterpillar Inc.Inventor: Douglas C. Serrurier
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Patent number: 11879235Abstract: A wear member includes a forward working portion that is disposed along its longitudinal axis including a closed end, and a rear attachment portion that is disposed along the longitudinal axis including an open end with an exterior surface, and an interior surface. The interior surface defines an interior counterbore with a major diameter, and a minor diameter. A ratio of the major diameter to the minor diameter ranges from 1.8 to 2.2.Type: GrantFiled: September 2, 2021Date of Patent: January 23, 2024Assignee: Caterpillar Inc.Inventors: Douglas C. Serrurier, Eric T. Sinn, Jason Grant Jura, Corey Michael Wells
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Patent number: 11873625Abstract: A spring loaded retainer includes a lug receiving portion defining a first maximum outside dimension, the lug receiving portion also defining a lug receiving slot that extends partially through the lug receiving portion, forming a first sidewall, a second sidewall, and a catch surface connecting the first sidewall to the second sidewall. A drive portion defines a second maximum outside dimension, and a first flat is disposed on the outside of the lug receiving portion proximate to the first sidewall or the second sidewall.Type: GrantFiled: June 9, 2021Date of Patent: January 16, 2024Assignee: Caterpillar Inc.Inventors: Corey Michael Wells, Jason Grant Jura, Eric T. Sinn, Douglas C. Serrurier
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Publication number: 20240011259Abstract: A retaining mechanism includes a retainer with a skirt that has a surface of revolution with an axis of rotation. The skirt extends 180.0 degrees or less about the axis of rotation, forming a thru-slot. A drive portion extends axially from the skirt.Type: ApplicationFiled: June 20, 2023Publication date: January 11, 2024Applicant: Caterpillar Inc.Inventors: William Jay Ulrich, IV, Eric T. Sinn, Brandon H. McCaffrey, Corey Michael Wells, Douglas C. Serrurier
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Publication number: 20240011256Abstract: A lock includes a drive portion and a pin receiving portion. The drive portion includes a polygonal aperture, and the pin receiving portion includes a hole with an internal surface of revolution that defines an axis of rotation, a radial direction, a circumferential direction, and a slot extending at least partially through the pin receiving portion into the hole.Type: ApplicationFiled: June 20, 2023Publication date: January 11, 2024Applicant: Caterpillar Inc.Inventors: William Jay Ulrich, IV, Eric T. Sinn, Brandon H. McCaffrey, Corey Michael Wells, Douglas C. Serrurier
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Patent number: 11866914Abstract: A retainer sleeve includes an at least partially annular body defining an axis of rotation, a radial direction, and a circumferential direction. The body may also have a radially inner annular surface defining a radially inner aperture, and a first anti-rotation feature extending radially inwardly from the radially inner annular surface including a sloping ledge having a locking surface, and an outer peripheral surface defining a notch that is at least partially aligned with the first anti-rotation feature or an array of a plurality of external ribs extending outwardly radially from the outer peripheral surface.Type: GrantFiled: May 18, 2022Date of Patent: January 9, 2024Assignee: Caterpillar Inc.Inventors: Douglas C. Serrurier, Eric T. Sinn, Jason Grant Jura
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Publication number: 20240003123Abstract: An adapter cover includes a front face portion that defines a thru-hole configured to allow a nose portion of an adapter to pass horizontally through the thru-hole past the interior surface and then past the exterior surface, and a top single leg extends horizontally from the front face portion. The thru-hole defines a perimeter with a right side edge, a left side edge, a top edge, an upper right corner and an upper left corner, and further defines a bottom open end.Type: ApplicationFiled: September 15, 2023Publication date: January 4, 2024Applicant: Caterpillar Inc.Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
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Publication number: 20230407607Abstract: A wing shroud has a body including a side portion having a side inner surface, a side abutment surface, a side outer surface, and a side rear surface, a floor portion having a floor upper surface, a floor lower surface, a floor front surface, a floor outer surface, and a floor rear surface, and an attachment recess defined by a plurality of inward surfaces on the side and floor portions. The body also has a leading edge extending between the side inner surface, the side outer surface, the floor front surface, the floor upper surface, and the floor outer surface, and including an upper end, a transition portion, a lower curved portion, and a lower end.Type: ApplicationFiled: May 24, 2022Publication date: December 21, 2023Applicant: Caterpillar Inc.Inventors: Andrew W. YOUNG, Ezhil Valavan KARUNAKARAN, Eric T. SINN, Douglas C. SERRURIER
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Publication number: 20230383503Abstract: A retainer includes a drive portion defining a drive portion outer diameter, and a lug receiving portion with a skirt defining a lug receiving slot that extends partially through the lug receiving portion, forming a first sidewall, a second sidewall, and a catch surface connecting the first sidewall to the second sidewall. The skirt also defines a skirt outer diameter that is greater than the drive portion outer diameter. Also, the drive portion has a hook tab that extends from the drive portion and that is spaced away from the skirt a minimum distance.Type: ApplicationFiled: August 2, 2023Publication date: November 30, 2023Applicant: Caterpillar Inc.Inventors: Jason Grant Jura, Eric T. Sinn, Douglas C. Serrurier, Corey Michael Wells
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Patent number: 11808017Abstract: An adapter cover includes a front face portion that defines a thru-hole configured to allow a nose portion of an adapter to pass horizontally through the thru-hole past the interior surface and then past the exterior surface, and a top single leg extends horizontally from the front face portion. The thru-hole defines a perimeter with a right side edge, a left side edge, a top edge, an upper right corner and an upper left corner, and further defines a bottom open end.Type: GrantFiled: November 18, 2020Date of Patent: November 7, 2023Assignee: Caterpillar Inc.Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
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Publication number: 20230304267Abstract: A retainer sleeve includes an at least partially annular body defining an axis of rotation, a radial direction, and a circumferential direction. The body may also have a radially inner annular surface defining a radially inner aperture, and a first anti-rotation feature extending radially inwardly from the radially inner annular surface including a sloping ledge having a locking surface that faces at least partially in the circumferential direction and along a direction that is parallel to the axis of rotation, forming an oblique angle with the direction that is parallel to the axis of rotation.Type: ApplicationFiled: May 31, 2023Publication date: September 28, 2023Applicant: Caterpillar Inc.Inventors: Douglas C. Serrurier, Eric T. Sinn, Jason Grant Jura, Corey Michael Wells