Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11242225 | Adaptive elevator door dwell time | WoonCheol Jung | 2022-02-08 |
| 10280042 | Method and apparatus for stall control of elevator door | WoonCheol Jung | 2019-05-07 |
| 9783392 | Elevator door stopping device | Jung Sam Kim, Jinkoo Lee, JinKyu Ryu | 2017-10-10 |
| 9731941 | Braking device for a door operator | Jinkoo Lee, Jung Sam Kim, Byeong Sam Yoo, Guohong Hu, Mark S. Thompson | 2017-08-15 |
| 8434599 | Multiple car hoistway including car separation control | Cheng-Shuo Wang, Arthur Hsu, CheongSik Shin, SeongRak Jeong | 2013-05-07 |
| 8297409 | Coordination of multiple elevator cars in a hoistway | Arthur Hsu, Cheng-Shuo Wang, Cheong Sik Shin, SeongRak Jeong, Bruce P. Lerner | 2012-10-30 |
| 8136635 | Method and system for maintaining distance between elevator cars in an elevator system with multiple cars in a single hoistway | Theresa M. Christy, Randall Keith Roberts, Harold Terry, Mauro J. Atalla, Arthur Hsu +1 more | 2012-03-20 |
| 7987947 | Call indicator provided near elevator car currently assigned to the call | Theresa M. Christy, Jannah A. Stanley, Hideyuki Honma, Arthur Hsu, John M. Milton-Benoit +4 more | 2011-08-02 |
| 7784588 | Calls assigned to one of two cars in a hoistway to minimize delay imposed on either car | Cheong SikShin, Theresa M. Christy, Arthur Hsu, Harry Terry | 2010-08-31 |
| 7650967 | Communicating to elevator passengers re car movement to pit or overhead | Cheong SikShin, Theresa M. Christy, Arthur Hsu, Harry Terry, Frank Sansevero | 2010-01-26 |