• Patent Total of 9, including PCD
  • International patent Total of 1 including Asymmetric Punched spiral Pipe (Vietnam)
  • Utility modelTotal of 7, including anchor plate with serrated fixture
  • Design Total of 5 including drain board core material for soft ground
  • TrademarkPCD
  • Patent application Total of 17, including patents, utility models, designs, and trademarks