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HE DEXIN

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    192,317
About

HE DEXIN has a total of 19 patent applications. Its first patent ever was published in 1998. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets civil engineering and mechanical elements are NAKAKAWANISHI TADASHI, EMUZU KK and TONE KOJI KK.

Patent filings per year

Chart showing HE DEXINs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 He Dexin 19

Latest patents

Publication Filing date Title
CN105464076A Rotary expansion head and oil cylinder thereof
CN105464585A Double-slewing gear and rotary-excavating squeezed-expansion drilling machine with same
WO2016095144A1 Drill pipe and pile driver for construction of belled threaded pile, and construction method of belled threaded pile
CN104563911A Drill rod for expanded-base threaded pile construction
CN104563854A Pile machine for expanded-base threaded pile construction and construction method for expanded-base threaded pile
CN103174387A Construction method of soil squeezing and dumping drill rod, twist drill, pile machine, and soil squeezing and dumping pile
CN102619224A Construction method and drilling tool for variable cross-section bored cast-in-place pile (rock bolt)
CN102619219A Drilling construction method for cast-in-place concrete variable threaded tubular pile and drilling tool for implementing drilling construction method
CN102605771A Construction method for drilling cast-in-place concrete pipe pile and drilling tool for concrete pipe pile
CN101936133A Drilling machine for construction of cast-in-situ bored pile
WO2008049291A1 Rotary excavating-squeezing-reaming-drilling machine and its drilling mothed
WO2008049292A1 Extruding and expanding drill equipment and the drilling method thereof
CN1350097A Extruding and extending mechanism for sectional Y-shaped extruded and extended pile
WO0248466A1 Apparatus for constructing expanding pile
CN1234471A All-intelligent multifunctional hydraulic extruding extender