Hongling Company's List of Independent Intellectual Property Rights
Serial Number | Name | Category | Authorization Number (ZL) | Authorization Date | Acquisition Method |
1 | Pipe Thread Connector | Utility Model | ZL 2010 2 0225702.7 | February 9, 2011 | Independent Research and Development |
2 | Painting Device for Rolling Parts | Utility Model | ZL2010 2 0264134.1 | February 9, 2011 | Independent Research and Development |
3 | Pipe Machining Compound Cutter Bar | Utility Model | ZL 2010 2 0562679.0 | May 25, 2011 | Independent Research and Development |
4 | Pipe Diameter Change Connector | Utility Model | ZL 2010 2 0562671.4 | May 25, 2011 | Independent Research and Development |
5 | A Type of CNC Pipe Threading Machine Tool | Utility Model | ZL 2012 2 0028796.8 | August 22, 2012 | Independent Research and Development |
6 | A Type of Three-Dimensional Packaging Belt Unwinding Machine | Utility Model | ZL 2012 2 0028799.1 | September 5, 2012 | Independent Research and Development |
7 | A Type of Oil Pipeline Reducing Coupling | Utility Model | ZL 2013 2 0049920.3 | July 31, 2013 | Independent Research and Development |
8 | A Type of Fixture Fixing Bracket | Utility Model | ZL 2013 2 0049919 .0 | July 31, 2013 | Independent Research and Development |
9 | A Type of Steel Pipe Stand | Utility Model | ZL 2014 2 0411714.7 | December 10, 2014 | Independent Research and Development |
10 | A Type of Thread Gauge Bracket | Utility Model | ZL 2014 2 0386379.X | December 10, 2014 | Independent Research and Development |
12 | A Type of Coupling Thread Inspection Fixing Device | Utility Model | ZL 2015 2 0980532.6 | March 30, 2016 | Independent Research and Development |
13 | A Type of Pipe Thread Inspection Rotating Device | Utility Model | ZL 2015 2 0980446.5 | April 6, 2016 | Independent Research and Development |
14 | A Type of Head Device Used for Processing Short Sections of Oil Pipeline Accessories | Utility Model | ZL 2016 2 0804705.3 | January 11, 2017 | Independent Research and Development |
15 | A Type of Metal Workpiece Phosphating Device | Invention Patent | ZL 2015 1 0060199.1 | January 4, 2017 | Independent Research and Development |
16 | A Type of Compound Cutter Bar for Special Nipple Processing | Utility Model | ZL 2017 2 0910550.6 | February 9, 2018 | Independent Research and Development |
