Patents by Inventor Markku Koffert

Markku Koffert 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).

  • Apparatus and a method for noise attenuation in an impact pile driving device
    Patent number: 12270172
    Abstract: The invention relates to an apparatus for noise attenuation in an impact pile driving device wherein the apparatus comprises a pile guide being attachable to the lower end of a hammer of an impact pile driving device. The apparatus according to the invention comprises compressing arrangement in connection with the pile guide having at least one compressing element and mechanical, hydraulic or pneumatic compressing means for compressing a pile fitted in to the pile guide transversally by means the at least one compressing element. The invention relates also an impact pile driving device and a method for noise attenuation in an impact pile driving device.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: April 8, 2025
    Assignee: Junttan Oy
    Inventors: Petri Turunen, Markku Koffert
  • AN APPARATUS AND A METHOD FOR NOISE ATTENUATION IN AN IMPACT PILE DRIVING DEVICE
    Publication number: 20220170227
    Abstract: The invention relates to an apparatus for noise attenuation in an impact pile driving device wherein the apparatus comprises a pile guide being attachable to the lower end of a hammer of an impact pile driving device. The apparatus according to the invention comprises compressing arrangement in connection with the pile guide having at least one compressing element and mechanical, hydraulic or pneumatic compressing means for compressing a pile fitted in to the pile guide transversally by means the at least one compressing element. The invention relates also an impact pile driving device and a method for noise attenuation in an impact pile driving device.
    Type: Application
    Filed: April 5, 2019
    Publication date: June 2, 2022
    Applicant: Junttan Oy
    Inventors: Petri Turunen, Markku Koffert
  • Arrangement for supporting a steel pile in an impact pile driving device, an impact pile driving device, an impact pile driving machine, and a method for arranging the support of a steel pile in an impact pile driving device
    Patent number: 10557243
    Abstract: The invention relates to an arrangement for supporting a thin-walled steel pile (5; 17; 26; 35) in an impact pile driving device, the arrangement comprising a supporting surface (4; 14; 23; 31), to which the steel pile (5; 17; 26; 35) can be supported, and in which arrangement the supporting surface (4; 14; 23; 31) is provided with one or more absorbing surfaces (6; 16; 25; 33) to be placed against the end of the wall (8; 18, 26; 36) of the steel pile (5; 17; 26; 35).
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: February 11, 2020
    Assignee: Junttan Oy
    Inventors: Markku Koffert, Tuomo Heikkinen
  • An arrangement for supporting a steel pile in an impact pile driving device, an impact pile driving device, an impact pile driving machine, and a method for arranging the support of a steel pile in an impact pile driving device
    Publication number: 20170268194
    Abstract: The invention relates to an arrangement for supporting a thin-walled steel pile (5; 17; 26; 35) in an impact pile driving device, the arrangement comprising a supporting surface (4; 14; 23; 31), to which the steel pile (5; 17; 26; 35) can be supported, and in which arrangement the supporting surface (4; 14; 23; 31) is provided with one or more absorbing surfaces (6; 16; 25; 33) to be placed against the end of the wall (8; 18, 26; 36) of the steel pile (5; 17; 26; 35).
    Type: Application
    Filed: October 16, 2015
    Publication date: September 21, 2017
    Applicant: Junttan Oy
    Inventors: Markku Koffert, Tuomo Heikkinen