Patents by Inventor Gerald A. Niznick

Gerald A. Niznick 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: 9697748
    Abstract: A dental implant two-piece fixture mount has an implant fixture-mount base portion at its distal end and a snap-on, separate, separable top piece at its proximal end.
    Type: Grant
    Filed: January 23, 2012
    Date of Patent: July 4, 2017
    Inventors: Gerald A. Niznick, Ines M. Aravena
  • Publication number: 20170165035
    Abstract: A dental implant two-piece fixture mount includes an implant fixture-mount base portion at its distal end, and a snap-on, separate, separable top piece at its proximal end, the top-piece including an insertion-tool-engaging surface and a distal cylindrical skirt with a plurality of protrusions on the skirt's inner surface, and a distal insertion projection, the fixture-mount base portion including a separable proximal portion that includes a groove near the bottom of the separable proximal portion for engagement with the protrusions, a longitudinal through passage to receive a fixation screw for attachment of the fixture mount base portion to a dental implant, and that includes an internal, multi-sided region to anti-rotationally engage the distal insertion projection.
    Type: Application
    Filed: February 6, 2017
    Publication date: June 15, 2017
    Applicant: Implant Direct Sybron International LLC
    Inventors: Gerald A. Niznick, Ines M. Aravena
  • Patent number: 9456881
    Abstract: A dental attachment assembly has an abutment portion at the proximal end of a one-piece dental implant (an “abutment portion”), or is an abutment for attachment to a dental implant or to a bar joining two or more dental implants, and a two-part assembly including a metal cap for placement in/attachment to a dental appliance. The cap includes a flanged skirt that projects from the top surface of the cap. A second part, a plastic insert, snaps firmly inside the cap.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: October 4, 2016
    Inventor: Gerald A. Niznick
  • Patent number: 9452028
    Abstract: An externally-threaded, endosseous dental implant includes an elongated body that is straight or tapered, and that includes external, distal regular threads, external micro-threads proximal to the regular threads, and external micro-grooves proximal to the micro-threads, with an internal passage in the body of the implant, the passage including internal threads, or internal multi-sided adaptor-engaging surfaces, or both.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: September 27, 2016
    Inventor: Gerald A. Niznick
  • Patent number: 8118596
    Abstract: A one-piece, screw-receiving, externally-threaded endosseous dental implant includes a body portion with external threading and, at its proximal end, an unthreaded, cylindrical portion including a retentive groove for engaging a complementary transfer component or comfort cap; a one-or two-piece screw-receiving implant abutment for attachment to a one or two-piece implant, including a retentive groove for engaging a complementary transfer component or comfort cap; and a fixture mount for insertion in a one-piece implant, that can be sectioned with the distal end used to extend the implant height.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: February 21, 2012
    Inventor: Gerald A. Niznick
  • Publication number: 20100311013
    Abstract: A one-piece, screw-receiving, externally-threaded endosseous dental implant includes a body portion with external threading and, at its proximal end, an unthreaded, cylindrical portion including a retentive groove for engaging a complementary transfer component or comfort cap; a one-or two-piece screw-receiving implant abutment for attachment to a one or two-piece implant, including a retentive groove for engaging a complementary transfer component or comfort cap; and a fixture mount for insertion in a one-piece implant, that can be sectioned with the distal end used to extend the implant height.
    Type: Application
    Filed: March 9, 2010
    Publication date: December 9, 2010
    Inventor: Gerald A. Niznick
  • Patent number: 7785107
    Abstract: Endosseous dental implants include external threads, and, within an internal passage inside the body of the implant, a lead-in bevel, 8-sided abutment-engaging surfaces, distally positioned 6-sided wrench-engaging surfaces, and internal threading distal to both the 8-sided and 6-sided surfaces, and fixture mounts and abutments including male projections to engage the 6-sided wrench-engaging surfaces inside the implants.
    Type: Grant
    Filed: February 1, 2005
    Date of Patent: August 31, 2010
    Inventor: Gerald A. Niznick
  • Patent number: 7699613
    Abstract: A one-piece, screw-receiving, externally-threaded endosseous dental implant includes a body portion with external threading and, at its proximal end, an unthreaded, cylindrical portion including a retentive groove for engaging a complementary transfer component or comfort cap; a one- or two-piece screw-receiving implant abutment for attachment to a one or two-piece implant, including a retentive groove for engaging a complementary transfer component or comfort cap; and a fixture mount for insertion in a one-piece implant, that can be sectioned with the distal end used to extend the implant height.
    Type: Grant
    Filed: February 11, 2005
    Date of Patent: April 20, 2010
    Inventor: Gerald A. Niznick
  • Patent number: 7677891
    Abstract: Endosseous dental implants tapered over at least part of their length, include two separate portions, a shorter proximal region with half the distance and half the depth between adjacent peaks of multiple lead threads as the longer distal region which has half the number of multiple lead threads as in the proximal region.
    Type: Grant
    Filed: February 1, 2005
    Date of Patent: March 16, 2010
    Assignee: Implant Direct Int'l, Inc.
    Inventor: Gerald A. Niznick
  • Patent number: 7396231
    Abstract: An endosseous dental implants include a flared implant extender with an internal passage and with an unthreaded external surface that tapers downwardly from the proximal end of the extender toward its distal end that has a size and shape appropriate to cover the top surface of the implant.
    Type: Grant
    Filed: March 7, 2005
    Date of Patent: July 8, 2008
    Inventor: Gerald A. Niznick
  • Patent number: 7108510
    Abstract: Endosseous dental implants include an at least partly, externally-threaded body portion, an internal cavity or shaft with an opening to the cavity or shaft at the top surface of the implant, and, in the internal cavity or shaft, a threaded portion, and a two part interlock chamber contiguous to said threaded portion including multi-lobed surfaces in a first part, and a plurality of lobes, slots or grooves in a second part.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: September 19, 2006
    Inventor: Gerald A. Niznick
  • Publication number: 20060199149
    Abstract: Endosseous, root-formed dental implants for insertion into an opening of the jawbone of a patient include a body with an internally-threaded shaft extending from the top surface of the implant into the body, a flared implant extender with an internal longitudinal passage, having an unthreaded external surface tapering downwardly from the proximal end of the extender toward its distal end of size and shape appropriate to cover the top surface of the implant, and a healing screw with a head joined to a threaded shank, said length of threaded shank of the healing screw and length of internally-threaded shaft of the implant, of adequate lengths to permit engagement of the internal threads of the implant when the head of the healing screw is seated on the top of the extender or on top of the implant, in the absence of the extender, covering the proximal opening into the longitudinal passage of the extender or the internal shaft of the implant.
    Type: Application
    Filed: March 7, 2005
    Publication date: September 7, 2006
    Inventor: Gerald Niznick
  • Publication number: 20060199150
    Abstract: An externally-threaded, one-piece endosseous dental implant including an angled, proximal portion that functions as an abutment for cemented restorations.
    Type: Application
    Filed: March 7, 2005
    Publication date: September 7, 2006
    Inventor: Gerald Niznick
  • Publication number: 20060183078
    Abstract: A one-piece, screw-receiving, externally-threaded endosseous dental implant includes a body portion with external threading and, at its proximal end, an unthreaded, cylindrical portion including a retentive groove for engaging a complementary transfer component or comfort cap; a one- or two-piece screw-receiving implant abutment for attachment to a one or two-piece implant, including a retentive groove for engaging a complementary transfer component or comfort cap; and a fixture mount for insertion in a one-piece implant, that can be sectioned with the distal end used to extend the implant height.
    Type: Application
    Filed: February 11, 2005
    Publication date: August 17, 2006
    Inventor: Gerald Niznick
  • Publication number: 20060172257
    Abstract: Endosseous dental implants include external threads, and, within an internal passage inside the body of the implant, a lead-in bevel, 8-sided abutment-engaging surfaces, distally positioned 6-sided wrench-engaging surfaces, and internal threading distal to both the 8-sided and 6-sided surfaces, and fixture mounts and abutments including male projections to engage the 6-sided wrench-engaging surfaces inside the implants.
    Type: Application
    Filed: February 1, 2005
    Publication date: August 3, 2006
    Inventor: Gerald Niznick
  • Publication number: 20060172258
    Abstract: Endosseous dental implants tapered over at least part of their length, include two separate portions, a shorter proximal region with half the distance and half the depth between adjacent peaks of multiple lead threads as the longer distal region which has half the number of multiple lead threads as in the proximal region.
    Type: Application
    Filed: February 1, 2005
    Publication date: August 3, 2006
    Inventor: Gerald Niznick
  • Patent number: 7014464
    Abstract: A multi-part abutment for use with an endosseous dental implant includes a first part with a tapered portion at its proximal end adapted to accept a dental restoration and an optional transfer cap, a distally-positioned external multi-lobed or other wrench-engaging portion, an inwardly-projecting non-circular bevel extending partly or entirely around the first part, connecting the proximal and wrench-engaging portions. The first part has an internal through passage with an internal projection or threads or both. The second abutment part, a screw, has a proximal region to engage the internal projection(s) or threads or both of the first part, and a threaded shank to engage internal threads in an endosseous dental implant.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: March 21, 2006
    Inventor: Gerald A. Niznick
  • Publication number: 20060003290
    Abstract: Externally-threaded endosseous dental implants that include the structure of an implant body and an abutment/head also include, between the head portion and the body portion, a beveled shoulder portion that extends downwardly and outwardly from the head portion.
    Type: Application
    Filed: July 1, 2004
    Publication date: January 5, 2006
    Inventor: Gerald Niznick
  • Publication number: 20050287496
    Abstract: Endosseous dental implants include an at least partly, externally-threaded body portion, an internal cavity or shaft with an opening to the cavity or shaft at the top surface of the implant, and, in the internal cavity or shaft, a threaded portion, and a two part interlock chamber contiguous to said threaded portion including multi-lobed surfaces in a first part, and a plurality of lobes, slots or grooves in a second part.
    Type: Application
    Filed: June 25, 2004
    Publication date: December 29, 2005
    Inventor: Gerald Niznick
  • Publication number: 20050136380
    Abstract: Endosseous dental implants include an at least partly, externally-threaded body portion, an internal cavity or shaft with an opening to the cavity or shaft at the top surface of the implant, and, in the internal cavity or shaft, a threaded portion, multi-pointed/sided, or multi-slotted wrench-engaging surfaces and tri-lobed surfaces.
    Type: Application
    Filed: December 19, 2003
    Publication date: June 23, 2005
    Inventor: Gerald Niznick