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H2L CO LTD

Overview
  • Total Patents
    26
About

H2L CO LTD has a total of 26 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Republic of Korea, China and United States. Its main competitors in its focus markets environmental technology, chemical engineering and machines are CHOEUN ENVIRONMENT CO LTD, SALSNES FILTER AS and CANDY FRANK.

Patent filings per year

Chart showing H2L CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Ik Bae 18
#2 Kim Jong Pyo 9
#3 Yang Ik-Bae 4
#4 Kim Se Mi 3
#5 Choi Yong Ho 3
#6 Yoon Sung Ro 3
#7 Lee Gyu Seong 2
#8 Park Myung Jun 2
#9 Kim Su Bok 1
#10 Ik-Bae Yang 1

Latest patents

Publication Filing date Title
KR20140112768A Polyvinylidene fluoride Hollow Fiber Membranes and Preparation Thereof
KR101328223B1 System for first flush removal and infiltration
KR20130040621A The preparation method of hollow fiber membrane with high mechanical properties using hydrophilized polyvinylidenefluoride for water treatment
KR20130040625A Polyvinylidenefluoride hollow fiber membrane with secondary barrier for water treatment and preparation thereof
KR20130040623A The preparation method of hollow fiber membrane with high permeation using hydrophilic polyvinylidenefluoride composites for water treatment
KR20130040620A Preparation method of hollow fiber membrane with high mechanical properties made of hydrophilic modified polyvinylidenefluoride for water treatment
KR20130040622A The preparation method of hollow fiber membrane with high permeation using hydrophilized polyvinylidenefluoride for water treatment
KR20130040624A Hollow fiber membrane with inner bisectional supporter for water treatment and preparation thereof
KR20110004942A A water-treatment apparatus using membrane module, and method thereby
KR20100129376A Manufacturing methods of microfiltration hollow fiber membrane with high permeability and high mechanical characteristics
KR20100129379A Low fouled hollow fiber membrane module and its application of water treatment
KR20100007245A Asymmetric hollow fiber membranes and preparation thereof
KR20040041749A Apparatus and method for high-treating waste water with organic matter, nitrogen and phosphorus by using the non-power inside and outside-cycle system
KR20030097425A System and method for AI controlling waste-water treatment by neural network and back-propagation algorithm
CN1380259A High-efficiency treatment method of chroma and organics, nitrogen and phosphorus by adopting anaerobic and aerobic procedures in ciliary biological membrane method
KR20000061412A Apparatus and method for treatment of organic material, nitrogens and phosphorus in the waste water by Anammox denitrogen reaction and cilium biofilm contact system
KR20000001730A System and method for removing color, organic matter, nitrogen, phosphorus by using anaerobic and aerobic process in hr-200 and ciliated biomembrane method.
KR100260979B1 A process of the treatment for waste smell by using microbe fixed cillium ball, and the bio-reactor therefor