Assignee
OTOS TECH CO LTD
KR·22 granted patents·1 pending application·540 citations·filing 2004–2013
Top patents by PatentIndex Score
23 records- 0189USD540989SWelding maskOTOS TECH CO LTD·Filed 2005·Granted Apr 17, 2007·40 cites·1 claims
- 0289USD539485SMask for protecting a faceOTOS TECH CO LTD·Filed 2006·Granted Mar 27, 2007·40 cites·1 claims
- 0388US6966074B2Cushion pad structure for headbandOTOS TECH CO LTD·Filed 2004·Granted Nov 22, 2005·66 cites·6 claims
- 0487USD586956SWelding maskOTOS TECH CO LTD·Filed 2008·Granted Feb 17, 2009·34 cites·1 claims
- 0587USD540990SWelding maskOTOS TECH CO LTD·Filed 2005·Granted Apr 17, 2007·35 cites·1 claims
- 0686US7564014B2Apparatus for detecting welding light and protecting eyes from glare and method for controlling the sameOTOS TECH CO LTD·Filed 2006·Granted Jul 21, 2009·15 cites·1 claims
- 0786US7308719B2Front surface opened welding maskOTOS TECH CO LTD·Filed 2006·Granted Dec 18, 2007·35 cites·3 claims
- 0885USD530864SWelding maskOTOS TECH CO LTD·Filed 2005·Granted Oct 24, 2006·32 cites·1 claims
- 0984USD527849SWelding maskOTOS TECH CO LTD·Filed 2005·Granted Sep 5, 2006·31 cites·1 claims
- 1082US7409723B2Multifunctional protection rack for safety helmetOTOS TECH CO LTD·Filed 2005·Granted Aug 12, 2008·20 cites·9 claims
- 1181US7594278B2Multi-function face protectorOTOS TECH CO LTD·Filed 2006·Granted Sep 29, 2009·23 cites·2 claims
- 1281US7284281B2Welding helmet having cartridge coupling structureOTOS TECH CO LTD·Filed 2005·Granted Oct 23, 2007·21 cites·5 claims
- 1380USD594600SWelding maskOTOS TECH CO LTD·Filed 2008·Granted Jun 16, 2009·24 cites·1 claims
- 1479US9049896B2Detachable safety goggles for safety helmetsOTOS TECH CO LTD·Filed 2013·Granted Jun 9, 2015·10 cites·6 claims
- 1577US7462806B2Dazzle prevention device having electro magnetic wave detection function and detection mode selectionOTOS TECH CO LTD·Filed 2005·Granted Dec 9, 2008·5 cites·4 claims
- 1676USD553802SWelding maskOTOS TECH CO LTD·Filed 2006·Granted Oct 23, 2007·21 cites·1 claims
- 1775US7971267B2Air supplying device for welding maskOTOS TECH CO LTD·Filed 2008·Granted Jul 5, 2011·6 cites·8 claims
- 1872US6973672B2Welding helmet removable cartridgeOTOS TECH CO LTD·Filed 2004·Granted Dec 13, 2005·44 cites·5 claims
- 1970US8959662B2Grinding mode selector switch for welding masksOTOS TECH CO LTD·Filed 2013·Granted Feb 24, 2015·4 cites·5 claims
- 2070US8049151B2Digital type anti-glare device using touch and method of controlling the sameOTOS TECH CO LTD·Filed 2009·Granted Nov 1, 2011·5 cites·20 claims
- 2165USD563603SFace shield for safety helmetOTOS TECH CO LTD·Filed 2006·Granted Mar 4, 2008·20 cites·1 claims
- 2255USD551961SRotary shaft nut of a welding maskOTOS TECH CO LTD·Filed 2006·Granted Oct 2, 2007·9 cites·1 claims
- 2354US2010132086A1Welding mask that can control lcd shielding goggle without taking offOTOS TECH CO LTD·Filed 2009·Application pending·0 cites
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