Patents Assigned to AlCove Surfaces GmbH
  • Stamping tool, casting mold and methods for structuring a surface of a work piece
    Patent number: 7066234
    Abstract: A simple, cost-effective stamping or molding in the nanometer range is enabled using a stamping surface or molding face with a surface layer having hollow chambers that have been formed by anodic oxidation.
    Type: Grant
    Filed: October 28, 2002
    Date of Patent: June 27, 2006
    Assignee: AlCove Surfaces GmbH
    Inventor: Thomas Sawitowski
  • Stamping tool, casting mold and methods for structuring a surface of a work piece
    Publication number: 20040163441
    Abstract: A mold or stamping tool with which a simple, cost-effective stamping or molding in the nanometer range is enabled by a molding or stamping surface layer of the mold or tool being provided with hollow chambers formed by anodic oxidation.
    Type: Application
    Filed: February 17, 2004
    Publication date: August 26, 2004
    Applicant: AlCove Surfaces GmbH
    Inventor: Thomas Sawitowski
  • Implant with permeable element
    Patent number: 6740077
    Abstract: An implant is suggested having a receptacle space for a therapeutic agent, which can leave the receptacle space through a permeable element. For exact dosage, an open-pore diffusion element is suggested as the permeable element, wherein the pore walls are chemically modified for control of the diffusion.
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: May 25, 2004
    Assignee: AlCove Surfaces GmbH
    Inventors: Wolfgang Brandau, Alfons Fischer, Thomas Sawitowski, Günter Schmid
  • Implant with cavities containing therapeutic agents
    Patent number: 6709379
    Abstract: The invention relates to an implant and a method for the production of an implant. The implant has a covering layer that is preferably made of aluminium oxide and provided with uniform cavities and separate openings on the surface side of the covering layer in order to receive a therapeutic agent which can be released according to requirements when the implant is in place.
    Type: Grant
    Filed: May 2, 2001
    Date of Patent: March 23, 2004
    Assignee: Alcove Surfaces GmbH
    Inventors: Wolfgang Brandau, Alfons Fischer, Thomas Sawitowski, Güenter Schmid
  • Stamping tool, casting mold and methods for structuring a surface of a work piece
    Publication number: 20030205475
    Abstract: A simple, cost-effective stamping or molding in the nanometer range is enabled using a stamping surface or molding face with a surface layer having hollow chambers that have been formed by anodic oxidation.
    Type: Application
    Filed: October 28, 2002
    Publication date: November 6, 2003
    Applicant: AlCove Surfaces Gmbh
    Inventor: Thomas Sawitowski
  • Surgical instrument
    Publication number: 20020165578
    Abstract: An MR-compatible surgical instrument is proposed. A simpler, more economic construction is made possible by the use of aluminum or an aluminum compound or alloy as base material, which is covered by a thin barrier layer of an inorganic oxide.
    Type: Application
    Filed: March 22, 2002
    Publication date: November 7, 2002
    Applicant: AlCove Surfaces GmbH
    Inventors: Thomas Sawitowski, Alfons Fischer