인증서 및 특허

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Certificate

  • ISO 9001 : 2008 & KS Q ISO 9001 : 2009
  • ISO 14001 : 2004 & KS I 14001 : 2009
  • OHSAS 18001 : 2007
  • Approval Certificate – Cryogenic Pilot Operated Safety Relief Valves for Cargo Tanks
  • Test Approval Certificate – Cryogenic Pilot Operated Safety Relief Valves
  • Certificate of Registration – KGC
  • Certificate – EN 61326 : 1997 +A1 +A2 A3 : 2003
  • Certificate of New Product
  • Type Approval Certificate -KR-Full bore Type
  • Type Approval Certificate -KR-M30
  • Design Approval Certificate -KR-Main Starting Valve
  • Type Approval Certificate -KR-PSV
  • Type Approval Certificate -KR-TSV
  • Certificate of Design Assessment -ABS-M30
  • Certificate of Design Assessment -ABS-PSV
  • Certificate of Design Assessment -ABS-TSV
  • Type Approval Certificate -BV-HSF
  • Type Approval Certificate -BV-M30
  • Type Approval Certificate -BV-MAIN
  • Type Approval Certificate -BV-PSV
  • Type Approval Certificate -BV-TSV
  • Type Approval Certificate -DNV-HSF
  • Type Approval Certificate -DNV-M30
  • Type Approval Certificate -DNV-PSV
  • Type Approval Certificate -DNV-TSV
  • Type Approval Certificate -GL-HSF
  • General Component Approval -LR-MAIN
  • Type Approval Certificate -LR-TSV
  • Type Approval Certificate -NK-M30
  • Leading Company certificate
  • New Technoology Certificate – Ultralow temperature, Ultralow pressure Pilot operating Safety Valve

Patent

  • Patent (Janpn) 3333911 ; Automatic Pressure Controller with Internal combustion engine flame trap device preventing eruption
  • Patent (Janpn) 4218036 ; Internal combustion engine flame trap device preventing eruption
  • Patent (Janpn) 4405987 ; Internal combustion engine flame trap device preventing eruption
  • Patent (Janpn) 4542110 ; Internal combustion engine flame trap device preventing eruption
  • Patent (Janpn) 4560120 ; Internal combustion engine flame trap device preventing eruption
  • Patent (Janpn) 4634500 ; Internal combustion engine flame trap device preventing eruption
  • Patent (Janpn) 4653191 ; Sheet structure of an internal combustion engine flame trap device preventing eruption

  • Patent (China) ZL 2007 1 0002655.2 ; Internal combustion engine flame trap device preventing eruption
  • Patent (China) ZL2006 1 0111575.6 ; Internal combustion engine flame trap device preventing eruption
  • Patent (China) ZL2008 1 0004728.6 ; Internal combustion engine flame trap device preventing eruption & hoerbiger

  • Patent 10-0582228 ; Internal combustion engine flame trap device preventing eruption
  • Patent 10-0617425 ; Pilot Valve
  • Patent 10-0617437 ; Pilot operated main valve without retainer
  • Patent 10-0617438 ; Pilot operated main valve with retainer
  • Patent 10-0661925 ; Internal combustion engine flame trap device preventing eruption
  • Patent 10-0745618 ; Sheet structure of an internal combustion engine flame trap device preventing eruption
  • Patent 10-0767283 ; Internal combustion engine flame trap device preventing eruption
  • Patent 10-0881688 ; Internal combustion engine flame trap device preventing eruption & hoerbiger
  • Patent 10-0918498 ; Pressure and Vacuum Relief Valves
  • Patent 10-0950288 ; Internal combustion engine flame trap device preventing eruption
  • Patent 10-0955515 ; Pressure Relief Valves
  • Patent 10-1122768 ; Internal combustion engine flame trap device preventing eruption
  • Patent 10-1374531 ; Pilot Valves
  • Patent 0285801 ; Automatic control method for Opening and Closing of Electro-Pneumatic Valve & Electro-Pneumatic Valve
  • Patent 0325021 ; Internal combustion engine flame trap device preventing eruption & manufacturing method
  • Patent 0544325 ; Valve body made of Iron Plate & manufacturing method
  • Trademark Registration 40-0711633 ; Limonite etc.332
  • Trademark Registration 40-0711634 ; Dispensers for medication etc. 682
  • Utility Model 0155647 ; Automatic Control Valve for Crankcase internal pressure
  • Utility Model 0240532 ; Internal combustion engine flame trap device preventing eruption
  • Utility Model 0277665 ; Pipe Cutting Device