Patents Assigned to LANDROAD INC
  • Rainwater filtering device and monitoring system therefor
    Patent number: 11352280
    Abstract: There are provided a rainwater filtering device and a monitoring system therefor. The rainwater filtering device includes: a filtering unit including a strainer therein; a first overflow preventing unit supported by a compression rod and installed above the filtering unit; a pre-treating unit installed in front of an inlet of the filtering unit in order to pre-treat rainwater introduced into the filtering unit; and a second overflow preventing unit supported by a compression rod and installed above the pre-treating unit.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: June 7, 2022
    Assignee: LANDROAD INC
    Inventor: Ju Seung Lee
  • Storm drain filters
    Patent number: 11346094
    Abstract: There are provided a rainwater runoff contaminant filtration apparatus and a monitoring system therefor.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: May 31, 2022
    Assignee: LANDROAD INC
    Inventor: Ju Seung Lee