Patents by Inventor Kari Lahtinen

Kari Lahtinen 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).

  • Device for hydraulic hammer
    Patent number: 10399196
    Abstract: Device for a hydraulic hammer (1), in which there is a hydraulic impact system and a work point (2) for performing work, for preventing damage caused by ricocheting pieces. The device is formed of a shield (6) that can be lowered to the level of the work point particularly by hydraulic cylinders (7, 8). The shield (6) is formed of an essentially circular jacket, in which recycled materials, for example recycled vehicle tires, transport mats, or similar, are mostly used.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: September 3, 2019
    Assignee: Finnsuoja Oy
    Inventor: Kari Lahtinen
  • DEVICE FOR HYDRAULIC HAMMER
    Publication number: 20130327553
    Abstract: Device for a hydraulic hammer (1), in which there is a hydraulic impact system and a work point (2) for performing work, for preventing damage caused by ricocheting pieces. The device is formed of a shield (6) that can be lowered to the level of the work point particularly by hydraulic cylinders (7, 8). The shield (6) is formed of an essentially circular jacket, in which recycled materials, for example recycled vehicle tires, transport mats, or similar, are mostly used.
    Type: Application
    Filed: April 26, 2011
    Publication date: December 12, 2013
    Inventor: Kari Lahtinen