Patents by Inventor Jukka NIEMINEN

Jukka NIEMINEN 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).

  • SAND CLEANING
    Publication number: 20240024930
    Abstract: A system (1), and method for cleaning sand, which system (1) is a modular system and comprising at least a cleaning module (2). The cleaning module (2) comprising a cleaning apparatus (22) comprising an oven (5), and a cooling drum (6). The system (1) is configured to thermally clean the sand in the heated oven (5), remove gases and fine fraction from the thermally cleaned sand, cool the thermally cleaned sand in the cooling drum (6), and remove gases and fine fraction from the cooling drum (6).
    Type: Application
    Filed: December 3, 2020
    Publication date: January 25, 2024
    Inventors: Jukka NIEMINEN, Toni WESIN, Kalle KEKÄLÄINEN
  • SAND USED IN INDUSTRY
    Publication number: 20230415167
    Abstract: In the disclosed solution, a method is described for producing sand used in industry, in which method dis-carded power plant and/or foundry sand is processed into sand for use in products of the construction industry and/or into foundry sand by means of pre-treatment, drying, and after-treatment. In addition, an apparatus is described for producing sand used in industry, and use of discarded power plant and/or foundry sand in products of the construction materials industry or in foundry industry.
    Type: Application
    Filed: October 25, 2021
    Publication date: December 28, 2023
    Inventors: Jukka NIEMINEN, Toni WESIN, Kalle KEKÄLÄINEN
  • Cleaning sand used at foundry
    Patent number: 11565308
    Abstract: An apparatus and a method for cleaning sand used at a foundry, wherein sand to be cleaned is screened by a screening apparatus. The screened sand and at least one liquid mixture is fed into an abrasive apparatus. After that, the screened sand is rubbed by the abrasive apparatus. The rubbed sand and at least one liquid mixture is added to a water separation screen for separating a water blend from the rubbed sand. Finally, the separated sand is transferred into an oven and cleaned thermally by rotating the separated sand in the heated oven.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: January 31, 2023
    Assignee: FINN RECYCLING OY
    Inventors: Jukka Nieminen, Timo Kronqvist, Toni Wesin
  • POWER PLANT BOILER SAND, USE OF POWER PLANT BOILER SAND, METHOD FOR PRODUCING POWER PLANT BOILER SAND AND APPARATUS FOR PRODUCING POWER PLANT BOILER SAND
    Publication number: 20220203404
    Abstract: Power plant boiler sand comprising a clay-based binder film (3) on the surface of a grain of sand (2). In addition, a method and apparatus for producing power plant boiler sand.
    Type: Application
    Filed: April 24, 2020
    Publication date: June 30, 2022
    Inventors: Toni WESIN, Jukka NIEMINEN
  • CLEANING SAND USED AT FOUNDRY
    Publication number: 20210094090
    Abstract: An apparatus and a method for cleaning sand used at a foundry, wherein sand to be cleaned is screened by a screening apparatus. The screened sand and at least one liquid mixture is fed into an abrasive apparatus. After that, the screened sand is rubbed by the abrasive apparatus. The rubbed sand and at least one liquid mixture is added to a water separation screen for separating a water blend from the rubbed sand. Finally, the separated sand is transferred into an oven and cleaned thermally by rotating the separated sand in the heated oven.
    Type: Application
    Filed: September 25, 2020
    Publication date: April 1, 2021
    Inventors: Jukka NIEMINEN, Timo KRONQVIST, Toni WESIN