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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
FL

Feiyu Li — 18 Patents

UNUnknown: 5 patents #3,065 of 83,584Top 4%
WIWdi International: 2 patents #1 of 9Top 15%
HCHangzhou H3C Technologies Co.: 1 patents #33 of 144Top 25%
WTWdi (Xiamen) Technology: 1 patents #6 of 12Top 50%
XLXiamen Axent Corporation Limited: 1 patents #11 of 28Top 40%
Xiamen, CN: #73 of 1,819 inventorsTop 5%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Feiyu Li has been granted 18 US patents while listed as an inventor at Unknown. The first was granted in 2003 and the most recent in November 2025. Feiyu Li ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Feiyu Li in Xiamen, CN.

Patents per Year

Patents granted per year, 2003 to 2019Bar chart with a peak of 2 patents in 2003.peak 22003: 2 patents20032004: 2 patents2005: 1 patents20052006: 1 patents2007: 1 patents20072010: 1 patents2012: 2 patents20122014: 2 patents2015: 1 patents20152016: 2 patents2017: 1 patents20172019: 1 patents2019

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12470288 Method for reducing frequency interference, and communication satellite system Fenglong Hou, Xiaochan Lin, Yunpeng Qi, Shengwei Pei, Dop Chen +7 more 2025-11-11
10280603 Inlet valve with a shortened lifting lever and a method of shortening the lifting lever of the inlet valve Jusheng Xiong 2019-05-07
9661962 Quick assembly and disassembly device of a toilet cover and implementation method thereof Huiqing Wang, Yuzhi Liu, Baojia Huang 2017-05-30
9512603 Flushing mechanism Jian Li, Laicong Hong 2016-12-06
9422699 Toilet inlet valve and control method thereof Dongsheng Yao, Yuzhi Liu 2016-08-23
9062443 Water intake structure for water-storing key float Dongsheng Yao, Yuzhi Liu 2015-06-23
8792386 Method for transmitting attributes based on fiber channel network and switch system Yingjun Guo, Feng Zhang 2014-07-29
8689368 Flushing mechanism Caiyou Li 2014-04-08
8332970 Flushing mechanism Caiyou Li 2012-12-18
8122526 Adjustable universal flapper 2012-02-28
7673352 Flush valve for water closets 2010-03-09
7299508 Pressurized flush system 2007-11-27
7010816 Pressure assisted dual flush operating system 2006-03-14
6974291 Quick coupling nut 2005-12-13
6823534 Dual flush apparatus 2004-11-30
6687921 Toilet seat damper 2004-02-10
6666228 Ball cock assembly 2003-12-23
6510866 Ball cock assembly, float assembly for same, and method of controlling liquid level in a tank 2003-01-28