Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MANHOLE ODOR PREVENTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/045457
Kind Code:
A1
Abstract:
A disclosed manhole odor prevention device comprises: an odor prevention casing member; and an odor blocking member. Accordingly, the manhole odor prevention device has the advantages in that odor in a conduit is prevented from flowing back, rainwater can be introduced into the conduit, and the rainwater may flow back from the conduit when the conduit is filled with rainwater due to excessive precipitation.

Inventors:
KIM MYEONG SUK (KR)
Application Number:
PCT/KR2020/011610
Publication Date:
March 11, 2021
Filing Date:
August 31, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KIM MYEONG SUK (KR)
International Classes:
E03F5/04; E03F5/06
Foreign References:
KR100826869B12008-05-02
KR100734610B12007-07-02
KR20120003026U2012-05-03
KR101004382B12010-12-27
JP2004108001A2004-04-08
KR102053107B12019-12-06
Attorney, Agent or Firm:
LEE, Oh-sik (KR)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: METHOD FOR PROVIDING INFORMATION ABOUT OVARIAN CANCER, AND KIT USING SAME

Next Patent: BICYCLE SIMULATOR