How many patents does
Chongqing Gearbox Company have?

patents
285
families
242
granted
44
applications
241
CN
285

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The report contains ten-year analysis with the following sections

  • patent filing analysis
  • worldwide filing analysis
  • patent family analysis
  • application analysis
  • granted analysis
  • classification analysis
  • citation analysis

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Chongqing Gearbox Company
Top ten assignees appearing on patents

Chongqing Gearbox Company
The top ten patent families are

Title of patent family
(most common patent title)
Family
members
Filing
year
lifting hook with hook tripping device 2 2015
adaptive variable working condition cylindrical spherical pressure bearing system 2 2010
machining method for high-precision rectangular splines on large shaft parts 2 2013
alignment device and key slot insertion method 2 2014
precision indexing device and method for large shaft parts 2 2014
nut tightening machine 2 2014
wet-type clutch 2 2014
radial drill device 2 2009
coaxial rotating position error detector 2 2008
large-scale thin wall gear ring quenching deformation control method 2 2009