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

Changwen Lan — 4 Patents

UNUnknown: 3 patents #7,366 of 83,584Top 9%
Dongguang, CN: #2 of 12 inventorsTop 20%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Changwen Lan has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 2017 and the most recent in July 2020. Changwen Lan ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Changwen Lan in Dongguang, CN.

Patents per Year

Patents granted per year, 2017 to 2020Bar chart with a peak of 2 patents in 2018.peak 22017: 1 patents20172018: 2 patents20182020: 1 patents2020

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D889382 Vehicle-mounted aluminum tube telescopic mobile phone holder 2020-07-07
D833369 Car mount 2018-11-13
D807339 Mount for a car vent 2018-01-09
9821724 Mounting apparatus for portable electronic device Ping Zhang 2017-11-21