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).

  • Patent number: 11105073
    Abstract: An adapter cover includes a shell body including an exterior surface, an interior surface, and defining a vertical direction, a horizontal direction, and a vertical plane, a front face portion defining a thru-hole, a top leg extending horizontally from the front face portion and defining an adapter key receiving recess on the interior surface and a top leg side portion defining a concave arcuate portion extending rearward from the front face portion, a convex arcuate portion extending horizontally from the concave arcuate portion, terminating in a vertical rear surface, and a bottom leg extending horizontally from the front face portion.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: August 31, 2021
    Assignee: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Publication number: 20210262512
    Abstract: 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: Application
    Filed: February 26, 2020
    Publication date: August 26, 2021
    Applicant: Caterpillar Inc.
    Inventor: Douglas C. Serrurier
  • Patent number: 11098463
    Abstract: A power locking device has a body including a blind bore with an electroactive polymer disposed in the blind bore, and a sliding lock member that is disposed in the blind bore and that contacts the electroactive polymer. A current source is in electrical communication with the electroactive polymer.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: August 24, 2021
    Assignee: Caterpillar Inc.
    Inventor: Douglas C. Serrurier
  • Publication number: 20210148094
    Abstract: 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: Application
    Filed: November 14, 2019
    Publication date: May 20, 2021
    Applicant: Caterpillar Inc.
    Inventors: Douglas C. Serrurier, Eric T. Sinn, Jason Grant Jura
  • Publication number: 20210140149
    Abstract: A power locking device has a body including a blind bore with an electroactive polymer disposed in the blind bore, and a sliding lock member that is disposed in the blind bore and that contacts the electroactive polymer. A current source is in electrical communication with the electroactive polymer.
    Type: Application
    Filed: November 11, 2019
    Publication date: May 13, 2021
    Applicant: Caterpillar Inc.
    Inventor: Douglas C. Serrurier
  • Publication number: 20210140148
    Abstract: 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: Application
    Filed: November 8, 2019
    Publication date: May 13, 2021
    Applicant: Caterpillar Inc.
    Inventor: Douglas C. Serrurier
  • Publication number: 20210095444
    Abstract: An anti-tipping retainer has a lug receiving portion 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 has recess for turning the retainer. At least a first detent receiving surface is disposed on the outside of the lug receiving portion proximate to the first sidewall or the second sidewall. The drive portion further includes a tab that has a bearing surface extending between a first stop surface and a second stop surface.
    Type: Application
    Filed: September 30, 2019
    Publication date: April 1, 2021
    Applicant: Caterpillar Inc.
    Inventors: Douglas C. Serrurier, Eric T. Sinn, Corey Michael Wells, Jason Grant Jura
  • Publication number: 20210047809
    Abstract: 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: Application
    Filed: July 15, 2020
    Publication date: February 18, 2021
    Applicant: Caterpillar Inc.
    Inventors: Douglas C. Serrurier, Eric T. Sinn, Jason Grant Jura, Corey Michael Wells
  • Publication number: 20200340218
    Abstract: A tip and adapter assembly includes a spring loaded retainer that 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: Application
    Filed: April 24, 2019
    Publication date: October 29, 2020
    Applicant: Caterpillar Inc.
    Inventors: Corey Michael Wells, Jason Grant Jura, Eric T. Sinn, Douglas C. Serrurier
  • Publication number: 20200340219
    Abstract: A spring includes a first spring arm extending from the first side edge of the flat base, the first spring arm including a first arcuate portion extending from the flat base, a first straight portion extending from the first arcuate portion and disposed proximate to the rear face, the first straight portion defining a first obtuse angle with the rear face, and a first straight portion length.
    Type: Application
    Filed: April 24, 2019
    Publication date: October 29, 2020
    Applicant: Caterpillar Inc.
    Inventors: Corey Michael Wells, Jason Grant Jura, Eric T. Sinn, Douglas C. Serrurier
  • Patent number: 10724212
    Abstract: A shroud configured to be attached to a work implement comprises a ground engaging surface with a convex acruate portion, a first concave arcuate portion on one side of the convex arcuate portion, and a second concave arcuate portion on the other side of the convex arcuate portion, or an upper outside loading surface extending from the ground engaging surface including a first concave arcuate loading portion, a first convex arcuate loading portion, and a second convex arcuate loading portion, or a slot the defines a front clearance face with a first rearward facing pad therefrom.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: July 28, 2020
    Assignee: Caterpillar Inc.
    Inventors: Mihai Mircea Balan, Douglas C. Serrurier
  • Publication number: 20200157780
    Abstract: The first and the second legs and the throat portion of an adapter include an upper surface and a lower surface that at least partially define a slot, and a clearance void disposed at the closed end of the slot. A ratio of the clearance void width to the clearance void height ranges from 2.0 to 3.0.
    Type: Application
    Filed: March 7, 2019
    Publication date: May 21, 2020
    Applicant: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Publication number: 20200157765
    Abstract: A base edge includes a plurality of center notches and a first and a second end notches that all include the same configuration, defining a notch depth along direction of assembly, a straight middle portion straddled laterally by a first arcuate corner portion and a second arcuate corner portion, the straight middle portion defining a lateral straight middle portion width, and the notch depth ranges from 0.1 multiplied by the lateral straight middle portion width to 0.5 multiplied by the lateral straight middle portion width.
    Type: Application
    Filed: March 7, 2019
    Publication date: May 21, 2020
    Applicant: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Publication number: 20200157777
    Abstract: An adapter cover includes a shell body including an exterior surface and an interior surface. A front face portion defines a thru-hole, a top leg extending horizontally from the front face portion and defining an adapter cover key on the interior surface. A top leg side portion defining a concave arcuate portion extending rearward from the front face portion, a convex arcuate portion extending horizontally from the concave arcuate portion, and terminating in a vertical rear surface. A bottom leg extending horizontally from the front face portion.
    Type: Application
    Filed: March 7, 2019
    Publication date: May 21, 2020
    Applicant: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Publication number: 20200157778
    Abstract: A load sharing block includes a body including a flat outer surface defining a first end and a second end, a first arcuate outer portion extending from the first end of the flat outer surface, and a second arcuate outer portion extending from the second end of the flat outer surface. The first arcuate outer portion terminates at a first free end and includes a first elliptical outer surface extending from the first free end.
    Type: Application
    Filed: March 7, 2019
    Publication date: May 21, 2020
    Applicant: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Publication number: 20200157779
    Abstract: An adapter includes a first leg, a second leg, and a throat portion that define a slot defining a direction of assembly onto a work implement assembly, a lateral direction that is perpendicular to the direction of assembly, and a vertical direction that is perpendicular to the direction of assembly and the lateral direction. The throat portion further includes a first throat side surface disposed along the lateral direction and a second throat side surface disposed on the opposite side of the throat portion along the lateral direction. The first throat side surface defines a first adapter cover receiving recess.
    Type: Application
    Filed: March 7, 2019
    Publication date: May 21, 2020
    Applicant: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Publication number: 20200157776
    Abstract: An adapter cover includes a shell body including an exterior surface, an interior surface, and defining a vertical direction, a horizontal direction, and a vertical plane, a front face portion defining a thru-hole, a top leg extending horizontally from the front face portion and defining an adapter key receiving recess on the interior surface and a top leg side portion defining a concave arcuate portion extending rearward from the front face portion, a convex arcuate portion extending horizontally from the concave arcuate portion, terminating in a vertical rear surface, and a bottom leg extending horizontally from the front face portion.
    Type: Application
    Filed: March 7, 2019
    Publication date: May 21, 2020
    Applicant: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Publication number: 20190242095
    Abstract: A shroud configured to be attached to a work implement comprises a ground engaging surface with a convex acruate portion, a first concave arcuate portion on one side of the convex arcuate portion, and a second concave arcuate portion on the other side of the convex arcuate portion, or an upper outside loading surface extending from the ground engaging surface including a first concave arcuate loading portion, a first convex arcuate loading portion, and a second convex arcuate loading portion, or a slot the defines a front clearance face with a first rearward facing pad therefrom.
    Type: Application
    Filed: April 18, 2019
    Publication date: August 8, 2019
    Applicant: Caterpillar Inc.
    Inventors: Mihai Mircea Balan, Douglas C. Serrurier
  • Patent number: 10323390
    Abstract: A tip adapter comprises a side throat surface with a variable blend defining a radius of curvature ranging from 200 mm to 270 mm, or a lower nose surface that includes a first planar portion and a second planar portion defining a lower obtuse angle therebetween, or a top throat surface with a top arcuate portion defining a radius of curvature ranging from 100 mm to 300 mm.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: June 18, 2019
    Assignee: Caterpillar Inc.
    Inventors: Mihai Mircea Balan, Douglas C. Serrurier, David Worth
  • Patent number: 10323391
    Abstract: A shroud configured to be attached to a work implement comprises a ground engaging surface with a convex arcuate portion, a first concave arcuate portion on one side of the convex arcuate portion, and a second concave arcuate portion on the other side of the convex arcuate portion, or an upper outside loading surface extending from the ground engaging surface including a first concave arcuate loading portion, a first convex arcuate loading portion, and a second convex arcuate loading portion, or a slot the defines a front clearance face with a first rearward facing pad therefrom.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: June 18, 2019
    Assignee: Caterpillar Inc.
    Inventors: Mihai Mircea Balan, Douglas C. Serrurier