Patents by Inventor Kang-Haeng Lim

Kang-Haeng Lim 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).

  • Carbon dioxide absorber and its manufacturing method using sludge, and method for absorbing carbon dioxide in exhaust gas
    Patent number: 5455013
    Abstract: A carbon dioxide absorber is made by separating sludge from exhaust water discharged upon manufacturing fresh mixed concrete or concrete secondary products, then dewatering the separated sludge, and drying and crushing the dewatered sludge into dry fine particles.
    Type: Grant
    Filed: January 28, 1994
    Date of Patent: October 3, 1995
    Assignee: Kyouei Bussan K.K.
    Inventors: Hitoshi Shibata, Manabu Satokawa, Young-Il Im, Kang-Haeng Lim
  • Carbon dioxide absorber and method for manufacturing same from building industrial waste
    Patent number: 5298475
    Abstract: A carbon dioxide consuming material and a method for manufacturing it from waste released in the building industry, including: a primary crushing step 5 for crushing concrete fragments 1 under a pressure; a secondary crushing step 7 for crushing or smashing primary-crushed concrete fragments 11 from the primary crushing step by utilizing a grinding motion in a highly dense and pressurized condition; and a screening and separating step 8 for mixture of products obtained by the secondary crushing step.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: March 29, 1994
    Assignee: Kyoei Bussan Kabushiki Kaisha
    Inventors: Hitoshi Shibata, Young-II Im, Kang-Haeng Lim