Patents by Inventor Peter John Nicholson

Peter John Nicholson 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).

  • CIRCUMFERENTIAL MATRIX SYSTEM
    Publication number: 20230293263
    Abstract: A circumferential matrix system having a matrix band and a body, such that the body comprises a handle, a housing and a base, and a spindle within the body is attached to the handle. The matrix band on one end is permanently affixed to the spindle and the matrix band on another end is permanently affixed to an inside wall of the housing. The circumferential matrix system can be tightened around a tooth without the need or use of a retaining ring.
    Type: Application
    Filed: May 25, 2023
    Publication date: September 21, 2023
    Inventor: Peter John NICHOLSON
  • Circumferential matrix system
    Patent number: 11696815
    Abstract: A circumferential matrix system having a matrix band and a body, such that the body comprises a handle, a housing and a base, and a spindle within the body is attached to the handle. The matrix band on one end is permanently affixed to the spindle and the matrix band on another end is permanently affixed to an inside wall of the housing. The circumferential matrix system can be tightened around a tooth without the need or use of a retaining ring.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: July 11, 2023
    Assignee: DENTSPLY SIRONA Inc.
    Inventor: Peter John Nicholson
  • CIRCUMFERENTIAL MATRIX SYSTEM
    Publication number: 20180008375
    Abstract: A circumferential matrix system having a matrix band is described herein. The circumferential matrix system can be tightened around a tooth without the need or use of a retaining ring.
    Type: Application
    Filed: February 23, 2017
    Publication date: January 11, 2018
    Applicant: DENTSPLY SIRONA Inc.
    Inventor: Peter John NICHOLSON
  • Circumferential matrix system
    Patent number: D792594
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: July 18, 2017
    Assignee: Dentsply Sirona Inc.
    Inventor: Peter John Nicholson