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Item Patent application number Patent type
Heavy-load large slewing ring ZL2009 1 0185191.2 Patent of Invention
assembly Test Platform for Wind Turbine Slewing Ring ZL 2009 1 0251609.5 Patent of Invention
Half Slewing Ring ZL 2004 1 0041795.7 Patent of Invention
Measurement of large size slewing ring ZL2007 1 0130924.3 Patent of Invention
Half Slewing Ring ZL 2004 2 0079004.5 Utility model
Double Slewing Ring for Filling Machine ZL 2008 2 0035970.5 Utility model
Double-raw Slewing Ring ZL 2008 2 0035969.2 Utility model
Double L Slewing Ring for heavy-duty trailer ZL 2008 2 0035968.8 Utility model
Worm drive Slewing ring ZL 2008 2 0185383.4 Utility model
Changeable Gear Slewing Ring ZL 2008 2 0161855.2 Utility model
Ship unloader with three contacts wire-steel type slewing ring ZL2009 2 0187939.8 Utility model
Outer teeth Half slewing ring ZL 2009 2 0187942.X Utility model
Medical CT machine wire-steel type slewing ring ZL 2009 2 0187941.5 Utility model
Sealed-in unit of plug on slewing ring ZL 2009 2 0187938.3 Utility model
Heavy-load large size slewing ring ZL 2009 2 0187940.0 Utility model
Double-row slewing ring ZL 2010 2 0103447.9 Utility model
transport packing equipment of slewing ring ZL 2010 2 0113444.3 Utility model
Fixture of ultrathin ring ZL 2010 2 0113453.2 Utility model
Fixture of inner teeth slewing ring ZL 2010 2 0113434.X Utility model
Chamfering machine of heavy duty machine ZL 2010 2 0113431.6 Utility model
Radial Fixing Device for Slewing Ring Block ZL 2011 2 0101856.X Utility model
Seal Junction of Upper and Lower Inner Ring ZL 2011 2 0101857.4 Utility model
New Type of Slewing Ring Block ZL 2011 2 0101857.4 Utility model
Cross Roller and Ball Combined Slewing Ring ZL 2011 2 0101859.3 Utility model
tri-row Slewing Ring ZL 2011 2 0101860.6 Utility model
Special Sling of slewing ring inner teeth milling ZL2011 2 0276263.7 Utility model
Processing Method of Ultrathin Ring ZL2010 1 0109754.2 Patent of Invention
Horizontal Double-row Cross Roller Slewing Ring ZL2011 2 0328228.5 Utility model
Pure Rolling Tri Rolling Cone & Roller Slewing Ring ZL2011 2 0328246.3 Utility model
Straight Teeth Inner Ring of Slewing Ring ZL 2011 2 0425953.4 Utility model
Assemble Lifting Appliance of Slewing Ring ZL 2011 2 0449680.7 Utility model
Plug Gauge of Slewing Ring Plug ZL 2011 2 0449923.7 Utility model
Crowned Teeth Slewing Ring ZL 2012 2 0080275.7 Utility model
Dedicated Lifting Appliance of Slewing Ring Production Field ZL20122 0083919.8 Utility model
CNC Drilling 90 Degree Shift Chuck ZL 2012 2 0080035.7 Utility model
Double L Type Cross-Roller Slewing Ring 2012 2 0082279.9 Utility model
Double Rotation Cross Type Slewing Ring 2012 2 0083815.7 Utility model
Low-noise Split Type Slewing Ring 2012 2 0224142.2 Utility model
 roundness of tooth testing calibration device for slewing ring  ZL 2011 1 0173343.4  Patent of Invention
 slewing ring hole processing device  ZL 2011 1 0198419.9  Patent of Invention
 Tool maintenance device  2011 1 0258411.7  Patent of Invention
 Ball bearing belt type cage for slewing ring  ZL2011 1 0258494.X  Patent of Invention
 Six rows and cone type slewing ring  ZL 2012 2 0149808.2  Utility model
 Spatial overlay double-deck sinagle-rowball type slewing ring  ZL 2012 2 0153078.3  Utility model
 The detection device for slewing ring raceway contact Angle and the ball center height  ZL 2013 2 0025833.4  Utility model
 Slewing ring sealing performance testing device  ZL 2013 2 0080715.3  Utility model
 Belt wheel drive type slewing ring  ZL2013 2 0313202.2  Utility model
 Internal gear drive type slewing driver with slewing ring  ZL2013 2 0327651.2  Utility model
 Hand push type sheet steel belt running car  ZL2013 2 0174271.X  Utility model