YK

Yi Sug Kwon

LC Lg Industrial Systems Co.: 8 patents #1 of 127Top 1%
OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #582,941 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7533765 Shock absorbing device for passenger conveyors 2009-05-19
6016902 Upper rail for passenger conveyor 2000-01-25
5997423 Apparatus for controlling chain tension 1999-12-07
5967924 Sprocket buffer for chain driving system 1999-10-19
5924544 Terminal rail system for escalator 1999-07-20
5899314 Terminal rail for passenger conveyor 1999-05-04
5894917 Step combining system for escalator 1999-04-20
5890578 Terminal rail system for escalator 1999-04-06
5829570 Terminal rail system for escalator 1998-11-03