Patents by Inventor Norbert Wollenberg

Norbert Wollenberg 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: 8886320
    Abstract: One aspect relates to an electrical bushing for an implantable device including an electrically insulating base body and at least one electrically conductive bushing body that is embedded in at least one bushing opening that extends through the base body. The base body is produced from a sintered ceramic material, characterized in that the at least one bushing body is made of a sintered cermet material or a sintered metallic material. The base body and the at least one bushing body comprise a firmly bonded sintered connection.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: November 11, 2014
    Assignee: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Jens Troetzschel, Goran Pavlovic, Harald Manhardt, Norbert Wollenberg, Nicole Staudt
  • Publication number: 20130299233
    Abstract: One aspect relates to an electrical bushing for an implantable device including an electrically insulating base body and at least one electrically conductive bushing body that is embedded in at least one bushing opening that extends through the base body. The base body is produced from a sintered ceramic material, characterized in that the at least one bushing body is made of a sintered cermet material or a sintered metallic material. The base body and the at least one bushing body comprise a firmly bonded sintered connection.
    Type: Application
    Filed: July 15, 2013
    Publication date: November 14, 2013
    Inventors: Jens Troetzschel, Goran Pavlovic, Harald Manhardt, Norbert Wollenberg, Nicole Guebler
  • Patent number: 8494635
    Abstract: One aspect relates to a method for producing an electrical bushing for an implantable device, a corresponding electrical bushing, and a corresponding implantable device. The method according to one embodiment is characterized in that a green blank is produced and sintered from an electrically insulating base body green blank made of a ceramic slurry or powder and at least one electrically conductive bushing body green blank made of a cermet material. The at least one bushing body green blank is inserted into a bushing opening of the base body green blank to form a composite green blank, a shape of the at least one bushing body green blank and a shape of the at least one bushing opening are complementary to each other at least in sections thereof and prevent slippage of the bushing body green blank through the bushing opening. The composite green blank is sintered while applying a force that keeps the bodies together.
    Type: Grant
    Filed: February 1, 2011
    Date of Patent: July 23, 2013
    Assignee: W. C. Heraeus GmbH
    Inventors: Jens Troetzschel, Goran Pavlovic, Harald Manhardt, Norbert Wollenberg, Nicole Guebler
  • Publication number: 20110190885
    Abstract: One aspect relates to a method for producing an electrical bushing for an implantable device, a corresponding electrical bushing, and a corresponding implantable device. The method according to one embodiment is characterized in that a green blank is produced and sintered from an electrically insulating base body green blank made of a ceramic slurry or powder and at least one electrically conductive bushing body green blank made of a cermet material. The at least one bushing body green blank is inserted into a bushing opening of the base body green blank to form a composite green blank, a shape of the at least one bushing body green blank and a shape of the at least one bushing opening are complementary to each other at least in sections thereof and prevent slippage of the bushing body green blank through the bushing opening. The composite green blank is sintered while applying a force that keeps the bodies together.
    Type: Application
    Filed: February 1, 2011
    Publication date: August 4, 2011
    Applicant: W. C. HERAEUS GMBH
    Inventors: Jens Troetzschel, Goran Pavlovic, Harald Manhardt, Norbert Wollenberg, Nicole Guebler
  • Patent number: 6039855
    Abstract: A frame (3, 4, 5, . . . 7) at least partially surrounds the target material (19), and serves to mount the target on the cathode backing plate (9), with a separating film or interlayer (20) of soft material disposed between the frame and the cathode backing plate. The frame (3, 4, 5, . . . 7) is provided with a plurality of projections (3a, 3b, . . . 4a, 4b, . . . 7a, 7b . . . ) affixed to the frame members (3, 4, 5, . . . 7) and extending into the target material in order to hold the target material (19) in the spaces (A, B, C) surrounded by the frame members. The target is preferably cast directly into the frame while the frame is fixed to a stainless steel plate, then removed together with the frame after cooling and mounted to the cathode plate.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: March 21, 2000
    Assignee: Leybold Materials GmbH
    Inventor: Norbert Wollenberg