HL

Hung-Lin Lai

WC Wen Sheng Fu Co.: 12 patents #1 of 2Top 50%
📍 Huayu, TW: #4 of 9 inventorsTop 45%
Overall (All Time): #135,082 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
D1077987 Switching handle 2025-06-03
10975972 Control valve connector 2021-04-13
10801656 Pressure reducing valve 2020-10-13
9964243 Pipe joint structure 2018-05-08
9086176 Valve structure 2015-07-21
D711512 Valve handle 2014-08-19
D686696 Switch valve 2013-07-23
D646755 Switch valve 2011-10-11
D645543 Switch valve 2011-09-20
7802590 Switch valve having leakproof function 2010-09-28
D605255 Switch valve 2009-12-01
D605252 Switch valve 2009-12-01
D605253 Switch valve 2009-12-01
D605254 Switch valve 2009-12-01
D589122 Switch handle of a valve 2009-03-24
D568447 Switch handle of a valve 2008-05-06
7172173 Switch valve having a locking effect 2007-02-06
7124999 Switch valve having a locking effect 2006-10-24
D526386 Switch valve 2006-08-08
7066445 Control valve having closely sealing effect 2006-06-27
6675834 Structure for switching flow of fluid in a fluid-conveying system 2004-01-13
6640390 Structure for confining a valve knob 2003-11-04
D478650 Switch valve 2003-08-19
D473931 Switch valve 2003-04-29
D473631 Switch valve 2003-04-22