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YU CHUN KWAN

Overview
  • Total Patents
    13
About

YU CHUN KWAN has a total of 13 patent applications. Its first patent ever was published in 2008. It filed its patents most often in WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and mechanical elements are CARL RIX, SIEBER JOSEPH D and SEAPOWER PACIFIC PTY LTD.

Patent filings in countries

World map showing YU CHUN KWANs patent filings in countries

Patent filings per year

Chart showing YU CHUN KWANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Chun Kwan 13

Latest patents

Publication Filing date Title
WO2011057448A1 Ground water power device
WO2011057446A1 Pneumatic unbalanced power device and energy conversion device using the same
WO2011035466A1 Umbrella-shaped unbalanced power device
WO2011029239A1 Combined power device of air pressure and hydraulic pressure
WO2011014988A1 Centrifugal pressure pump and energy transformation device using the same
WO2011014985A1 Siphon combined fluid power device
WO2011006290A1 Enhanced power output device and energy transformation apparatus using the same
US2010181878A1 Power output device and power enhancement member
US2010180588A1 Hydraulic power device
WO2010072024A1 Hydraulic power plant
WO2010072021A1 Hydraulic power plant
WO2010066069A1 A fluid power device
WO2010066068A1 A power output device and a power output strengthening mechanism