Patents

As of March 31, 2021

Patents List

Classification Patent Number Title Date of Patent Country
Patent SG11201709984W OPENING/CLOSING DEVICE January 6, 2021 Singapore
Patent AU2015397438 OPENING/CLOSING DEVICE December 24, 2020 Australia
Patent EP3309301B1 OPENING AND CLOSING DEVICE Nobember 25, 2020 United Kingdom, France, Germany,Belgium
Patent US10415201B2 OPENING/CLOSING DEVICE September 17, 2019 United States of America
Patent MY-170498-A Vortex Flow Type Water Surface Control Device for Draining Device August 8, 2019 Malaysia
Patent IDP000061344 OPENING/CLOSING DEVICE August 5, 2019 Indonesia
Patent VN21471 OPENING/CLOSING DEVICE July 9, 2019 Viet Nam
Patent CA2818103 VORTEX FLOW TYPE WATER SURFACE CONTROL DEVICE FOR DRAINING DEVICE November 27, 2018 Canada
Patent KR10-1855240 VORTEX FLOW TYPE WATER SURFACE CONTROL DEVICE FOR DRAINAGE SYSTEM April 30, 2018 Republic of Korea
Patent VN18575 VORTEX FLOW TYPE WATER SURFACE CONTROL DEVICE FOR DRAINAGE SYSTEM February 26, 2018 Viet Nam
Patent EP2653623B1 Vortex Flow Type Water Surface Control Device for Draining Device January 24, 2018 United Kingdom, France, Germany,Belgium,Italy,Austria,Switzerland,Spain,Czech Republic
Patent US9850649B2 VORTEX FLOW TYPE WATER SURFACE CONTROL DEVICE FOR DRAINING DEVICE December 26, 2017 United States of America
Patent PH1/2013/501250 VORTEX FLOW TYPE WATER SURFACE CONTROL DEVICE FOR DRAINING DEVICE December 11, 2017 Philippines
Patent IDP000045789 VORTEX FLOW TYPE WATER SURFACE CONTROL DEVICE FOR DRAINAGE SYSTEM May 15, 2017 Indonesia
Patent EP1783286B1 VORTEX FLOW TYPE WATER SURFACE CONTROL DEVICE FOR DRAINAGE SYSTEM April 26, 2017 United Kingdom, France, Germany
Patent AU2011342042 Vortex flow type water surface control device for drainage system July 20, 2017 Australia
Patent MY-160540-A OPENING/CLOSING DEVICE March 15, 2017 Malaysia
Patent SG190226 Vortex Flow Type Water Surface Control Device for Draining Device November 13, 2015 Singapore
Patent US8979432B2 Vortex Flow Type Water Surface Control Device for Draining Device March 17, 2015 United States of America
Patent US8695628B2 OPENING/CLOSING DEVICE April 15, 2014 United States of America
Patent KR10-1357063 OPENING-CLOSING DEVICE January 23, 2014 Republic of Korea
Patent US8590560B2 OPENING/CLOSING DEVICE November 26, 2013 United States of America
Patent US8459900B2 VORTEX FLOW TYPE WATER SURFACE CONTROL DEVICE FOR DRAINING DEVICE June 11, 2013 United States of America
Patent CA2751408 OPENING/CLOSING DEVICE March 5, 2013 Canada
Patent SG173531 OPENING-CLOSING DEVICE May 15, 2012 Singapore
Patent KR10-0841267 WATER SURFACE CONTROL DEVICE FOR DRAINAGE SYSTEM June 19, 2008 Republic of Korea

Patent Pending

Classification Application number Title Country
Patent 108129274 NATURAL PENETRATION PROMOTION METHOD AND SPRAY MATERIAL Taiwan, province of China
Patent PCT/JP2019/31964 NATURAL PENETRATION PROMOTION METHOD AND SPRAY MATERIAL Contracting states to the PCT
Patent 1-2017-04874 OPENING/CLOSING DEVICE Viet Nam
Patent 1/2017/502217 OPENING/CLOSING DEVICE Philippines
Patent 2987554 OPENING/CLOSING DEVICE Canada
Patent 10-2017-7034991 OPENING/CLOSING DEVICE Republic of Korea

PCT: Patent Cooperation Treaty

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