Inventor
CHEN SHIHEMN
US6 patents
Patents
6 patentsUS10384913B2Aug 20, 2019
Thermal management of linear motor
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US10329122B1Jun 25, 2019
H frame for a double deck elevator
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US10988348B1Apr 27, 2021
Escalator steps with strain sensors
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US10927915B2Feb 23, 2021
Spring useful for elevator safety device
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US10138091B2Nov 27, 2018
Variable linear motor gap
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US10899580B2Jan 26, 2021
Elevator cab suspension assembly for a double deck elevator
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