Patents by Inventor Ralf Steyer

Ralf Steyer 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).

  • Drilling screw
    Patent number: 10221880
    Abstract: A self-drilling screw composed of an austenitic or some other non-corrosive base material (1) is provided, having a shank (12), having a cutting or shaping drilling or threaded tip (16) arranged at one shank end and having a hard coating (3) applied at least to the drilling or threaded tip (16) by electrodeposition, this hard coating (3) having a layer containing a transition metal, for example a hard chromium layer. The shank (12) has a hard edge layer (2) at least under the hard coating (3). A topcoat (4) composed of a lubricating and heat-dissipating material, which preferably is metal, wax and/or lacquer, is applied to the hard coating (3).
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: March 5, 2019
    Assignee: SFS intec Holding AG
    Inventors: Marco Zach, Rene Dutler, Ralf Steyer
  • DRILLING SCREW
    Publication number: 20170241466
    Abstract: A self-drilling screw composed of an austenitic or some other non-corrosive base material (1) is provided, having a shank (12), having a cutting or shaping drilling or threaded tip (16) arranged at one shank end and having a hard coating (3) applied at least to the drilling or threaded tip (16) by electrodeposition, this hard coating (3) having a layer containing a transition metal, for example a hard chromium layer. The shank (12) has a hard edge layer (2) at least under the hard coating (3). A topcoat (4) composed of a lubricating and heat-dissipating material, which preferably is metal, wax and/or lacquer, is applied to the hard coating (3).
    Type: Application
    Filed: August 10, 2015
    Publication date: August 24, 2017
    Applicant: SFS intec Holding AG
    Inventors: Marco Zach, Rene Dutler, Ralf Steyer