Learn more

DU LINGLING

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    140,509
  • Filing trend
    ⇩ 100.0%
About

DU LINGLING has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, packaging and shipping and audio-visual technology are KUO WEN-NAN, VALLETTE & PAVON ETS and WORLDWIDE SAFETY LLC.

Patent filings in countries

World map showing DU LINGLINGs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing DU LINGLINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Du Lingling 12

Latest patents

Publication Filing date Title
CN109851410A One kind can make mango fertilizer by oneself
CN109851411A A kind of better mango fertilizer of fertilizer efficiency
CN109836210A Mango fertilizer
CN109253502A Outdoor machine of air-conditioner guard box
CN109229973A Ice cream packaging case
CN108216899A A kind of practicality bottle cap
CN108230881A A kind of medical drop
CN105926495A Security partition fence used for road
CN105908659A Road isolation fence
CN105887731A Road security partition fence
CN105887727A Barrier gate for vehicle entrance and exit
CN105926487A Vehicle traffic barrier gate