Patents by Inventor Rainer Lampe

Rainer Lampe 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).

  • DRILL BIT FOR PERCUSSION DRILLING OR IMPACT DRILLING USE FOR CUTTING REINFORCING STEEL IN CONCRETE
    Publication number: 20240149421
    Abstract: The invention concerns a drill bit for percussion drilling or impact drilling use for cutting reinforcing steel in concrete, wherein the drill bit has a substantially hollow-cylindrical carrier body extending along a geometric drill bit axis, wherein the carrier body has at least one chisel tooth with a substantially radially extending first chisel edge. It is proposed that the first chisel edge is arranged in a middle portion of the chisel tooth, in particular precisely centrally, in the circumferential direction, and the chisel tooth has a second chisel edge extending substantially tangentially to the circumferential direction of the drill bit.
    Type: Application
    Filed: November 2, 2023
    Publication date: May 9, 2024
    Inventors: Rainer Lampe, Torsten Thiel, Guido Hoff
  • Drill bit
    Patent number: 9662803
    Abstract: The invention relates to a rock drill comprising an insertion portion, a flute adjoined to the insertion portion, and a head portion adjoined to the flute, wherein the flute is of at least double-spiral configuration and correspondingly has at least two substantially spiral discharge grooves, to which respectively two substantially spiral flute webs forming the lateral groove walls are assigned. It is proposed that a constant spiral pitch is assigned to the first discharge groove, inclusive of the lateral groove walls thereof, along the drill longitudinal axis, and that at least one of the two flute webs assigned to the first discharge groove has or have along the drill longitudinal axis, at least in sections, a web spine width which changes, in particular, alternately.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: May 30, 2017
    Assignee: HELLER TOOLS GMBH
    Inventor: Rainer Lampe
  • DRILL BIT
    Publication number: 20140140782
    Abstract: The invention relates to a rock drill comprising an insertion portion, a flute adjoined to the insertion portion, and a head portion adjoined to the flute, wherein the flute is of at least double-spiral configuration and correspondingly has at least two substantially spiral discharge grooves, to which respectively two substantially spiral flute webs forming the lateral groove walls are assigned. It is proposed that a constant spiral pitch is assigned to the first discharge groove, inclusive of the lateral groove walls thereof, along the drill longitudinal axis, and that at least one of the two flute webs assigned to the first discharge groove has or have along the drill longitudinal axis, at least in sections, a web spine width which changes, in particular, alternately.
    Type: Application
    Filed: April 10, 2012
    Publication date: May 22, 2014
    Applicant: ILLINOIS TOOL WORKS INC.
    Inventor: Rainer Lampe
  • Head portion of rock drill
    Patent number: D664167
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: July 24, 2012
    Assignee: Illinois Tool Works Inc.
    Inventor: Rainer Lampe
  • Main cutting insert of a masonry drill bit
    Patent number: D688715
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: August 27, 2013
    Assignee: Illinois Tool Works, Inc.
    Inventors: Rainer Lampe, Heinrich Kersten
  • Auxiliary cutting insert of a masonry drill bit
    Patent number: D688716
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: August 27, 2013
    Assignee: Illinois Tool Works, Inc.
    Inventor: Rainer Lampe
  • Masonry drill bit
    Patent number: D723076
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: February 24, 2015
    Assignee: Heller Tools GmbH
    Inventors: Rainer Lampe, Heinrich Kersten