Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10184707 | Heat pump and method of controlling heat based on operating frequency of heating load of heating space thereof | Dong Woon Jeong, Sung Goo Kim, Chang Seo Park, Yong Hyun Jeon | 2019-01-22 |
| 9528732 | Heat pump apparatus | Sung Goo Kim, Hyo Ju Moon, Jong-Youb Kim | 2016-12-27 |
| 9312087 | Electronic contactor including separable upper bodies | Young Myoung Yeon, Ki-Jeong Kwon, Young-Ho Jin | 2016-04-12 |
| 8365800 | Blind with solar batteries and control method thereof | See Young Choi, Seong Je Wu, Seong Joo Han | 2013-02-05 |
| 8253548 | Elevator system with wireless hall call buttons | Norbert A. M. Hootsmans | 2012-08-28 |
| 8227125 | Fuel cell system and fuel supply method thereof | Jin-seong Heo, Takami Higashi | 2012-07-24 |
| 8222775 | Electromechanical energy harvesting system | Jacek F. Gieras, Mihai Huzmezan, Harshad S. Sane | 2012-07-17 |
| 8069959 | Elevator active suspension utilizing respulsive magnetic force | Pei-Yuan Peng, Howard Winston, Alan Matthew Finn | 2011-12-06 |
| 8030807 | Electromechanical energy harvesting system | Jacek F. Gieras, Mihai Huzmezan, Hashad S. Sane | 2011-10-04 |
| 8013737 | Voice recorder based position registration | Ankit Tiwari, Christian Netter, Luiz Bacellar, Thomas M. Gillis | 2011-09-06 |
| 7731000 | Roll-calling mechanism based vision system for elevator positioning | Alan Matthew Finn, Pei-Yuan Peng, Norbert A. M. Hootsmans | 2010-06-08 |
| 7600613 | RFID and low resolution CCD sensor based positioning system | Pengju Kang, Alan Matthew Finn, Pei-Yuan Peng, Norbert A. M. Hootsmans | 2009-10-13 |
| 7597177 | Ultrasonic/electromagnetic non-contact buttons/switches for elevators | Alberto Vecchiotti, John M. Milton-Benoit, Pei-Yuan Peng, Norbert A. M. Hootsmans | 2009-10-06 |
| 7575099 | Remotely resettable ropeless emergency stopping device for an elevator | Robin Mihekun Miller, Richard E. Peruggi, Samuel C. Wan, Anthony Cooney, Adriana Bacellar +1 more | 2009-08-18 |
| 7571791 | Device and method for self-aligning position reference system | Alan Matthew Finn, Pei-Yuan Peng | 2009-08-11 |
| 7540357 | Position reference system for elevators | Alan Matthew Finn, Pei-Yuan Peng, Chris Pietrzykowski | 2009-06-02 |
| 7493991 | Electromagnetic/ultrasonic roll-calling/answering (EURA) system for elevator positioning | Alan Matthew Finn, Pei-Yuan Peng, Norbert A. M. Hootsmans | 2009-02-24 |
| 7441631 | Passive ultrasonic RFID elevator positioning reference system | Alan Matthew Finn, Pei-Yuan Peng, Pengju Kang | 2008-10-28 |
| 7077244 | Elevator cab locating system including wireless communication | Alan Matthew Finn, Pei-Yuan Peng | 2006-07-18 |