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

Wei Leng — 3 Patents

Basf Se: 3 patents #4,656 of 13,826Top 35%
Yuanda Subdistrict, CN: #1 of 1 inventorsTop 100%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Wei Leng has been granted 3 US patents while listed as an inventor at Basf Se. The first was granted in 2013 and the most recent in February 2018. Wei Leng ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Wei Leng in Yuanda Subdistrict, CN.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9890895 Pipeline with heat-storing properties Daniel Freidank, Dejan Petrovic, Julia Liese 2018-02-13
8389740 Process for preparing ionic liquids by anion exchange Klemens Massonne, Michael Siemer, Werner Mormann 2013-03-05
8382962 Distillation of ionic liquids Klemens Massonne, Michael Siemer, Werner Mormann 2013-02-26