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ZENG DELIN

Overview
  • Total Patents
    62
About

ZENG DELIN has a total of 62 patent applications. Its first patent ever was published in 1989. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets civil engineering, packaging and shipping and mechanical elements are MOORE GARRY, YU WENDI and JOSAM PRODUCTS LTD.

Patent filings in countries

World map showing ZENG DELINs patent filings in countries

Patent filings per year

Chart showing ZENG DELINs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zeng Delin 42
#2 Xie Xiaolian 25
#3 Delin Zeng 1
#4 Xiaolian Xie 1

Latest patents

Publication Filing date Title
CN102901132A Axial flow type oil smoke ventilator
CN102900678A Easy-maintenance axial flow smoke fan with inlet air and outlet air in different directions
CN102900686A Two-dimensional array pipeline fan
CN102900679A Easily maintained axial flow lampblack fan with air feeding and discharging in different directions for motor arrangement device
CN102901134A Multi-smoke ventilator shared oil smoke exhausting system unit
CN102901133A Conveniently-cleanable air induction structure at air inlet end of smoke ventilator, wind collecting housing and blower fan
CN102900684A Pipeline fan
CN102901135A Laterally-connected multi-kitchen range integrated oil smoke exhausting system unit
CN102901136A Oil smoke ventilator with direct installation structure having different air-feeding and air-discharging directions
CN102904089A Connecting assembly and axial-flow lampblack exhaust fan
CN103374973A Mixing valve control pressure air feces picking and discharging system
WO2012146181A1 Overspill prevention structure
CN102758482A Closed excrement storage body having structure of automatically cut off excrement feed channel and automatically clearing residual excrement
CN102756886A Pressure-air excrement fetching system structure
CN102758481A Tank car capable of picking feces and forcibly discharging feces by pressure air controlled by check valve
CN102758476A Residual feces clearing mechanism for feces picking pipe by fluid plug function under negative pressure feces picking system
CN102755132A System structure for discharging excrement remotely
CN102758477A Mechanism for removing residual excrement accumulated in excrement taking pipe under action of fluid plug under positive-pressure excrement taking mechanism
CN102758977A Conical surface closed excrement fetching port
CN102756888A Valveless control pressure air excrement taking tanker