KL

Kelvin Leung

AL Adey Holdings (2008) Limited: 12 patents #6 of 13Top 50%
HU Hong Kong Polytechnic University: 1 patents #243 of 733Top 35%
Overall (All Time): #374,150 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
11517916 Magnetic filter for a central heating system Simon Downie 2022-12-06
D964509 Magnetic filter and connection assembly Simon Downie, Alan Ferry 2022-09-20
D964508 Canister for magnetic filter Simon Downie, Alan Ferry 2022-09-20
D963813 Canister and connector Simon Downie, Alan Ferry 2022-09-13
D963814 Connector Simon Downie, Alan Ferry 2022-09-13
D957587 Magnetic filter without valves Simon Downie 2022-07-12
D957592 Valve for magnetic filter Simon Downie 2022-07-12
D954897 Magnetic filter Simon Downie, Kashem Pathan 2022-06-14
D947316 Canister Simon Downie, Alan Ferry 2022-03-29
D945572 Connection assembly for magnetic filter Simon Downie, Alan Ferry 2022-03-08
D852321 Magnetic filter Simon Downie 2019-06-25
D852322 Magnetic filter Simon Downie 2019-06-25
7162305 Functional electrical stimulation system Kai Yu Tong, Arthur Mak 2007-01-09