Category:Tongqiu Liu

Tongqiu Liu

Executive Summary

Tongqiu Liu is an inventor who has filed 1 patents. Their primary areas of innovation include Testing of circuit interrupters, switches or circuit-breakers (1 patents), responsive to abnormal operating conditions (1 patents), using analogue/digital converters of the type with comparison of different reference values with the value of voltage or current, e.g. using step-by-step method (1 patents), and they have worked with companies such as Otis Elevator Company (1 patents). Their most frequent collaborators include (1 collaborations), (1 collaborations), (1 collaborations).

Patent Filing Activity

File:Tongqiu Liu Monthly Patent Applications.png

Technology Areas

File:Tongqiu Liu Top Technology Areas.png

List of Technology Areas

• G01R31/3277 (Testing of circuit interrupters, switches or circuit-breakers): 1 patents
• B66B5/02 (responsive to abnormal operating conditions): 1 patents
• G01R19/257 (using analogue/digital converters of the type with comparison of different reference values with the value of voltage or current, e.g. using step-by-step method): 1 patents
• H02P3/22 (by short-circuit or resistive braking): 1 patents

Companies

File:Tongqiu Liu Top Companies.png

List of Companies

• Otis Elevator Company: 1 patents

Collaborators

• Heping Qiu (1 collaborations)
• Ming Yin (1 collaborations)
• Tingting Wang (1 collaborations)
• Hongliang Tian (1 collaborations)
• Guoping Pan (1 collaborations)
• Baoxiang Cen (1 collaborations)
• Longwen Wang (1 collaborations)
• Lan Wang (1 collaborations)