Inventor
ZHANG SANHONG
US34 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG SANHONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WATLOW ELECTRIC MFG
31 patentsUS10760465B2Sep 1, 2020
Heater element having targeted decreasing temperature resistance characteristics
WATLOW ELECTRIC MFG7 citations92
US10934921B2Mar 2, 2021
Heater element as sensor for temperature control in transient systems
WATLOW ELECTRIC MFG6 citations90
US10544722B2Jan 28, 2020
Virtual sensing system
WATLOW ELECTRIC MFG5 citations83
US10043685B2Aug 7, 2018
High definition heater and method of operation
WATLOW ELECTRIC MFG3 citations82
US12258898B2Mar 25, 2025
Virtual sensing system
WATLOW ELECTRIC MFG0 citations72
US11970964B2Apr 30, 2024
Virtual sensing system
WATLOW ELECTRIC MFG0 citations72
US11795857B2Oct 24, 2023
Virtual sensing system
WATLOW ELECTRIC MFG1 citations72
US11486291B2Nov 1, 2022
Virtual sensing system
WATLOW ELECTRIC MFG0 citations72
US11340121B2May 24, 2022
Heater element having targeted decreasing temperature resistance characteristics
WATLOW ELECTRIC MFG0 citations72
US12326107B2Jun 10, 2025
Dual-purpose heater and fluid flow measurement system
WATLOW ELECTRIC MFG0 citations71
US12037933B2Jul 16, 2024
Dual-purpose heater and fluid flow measurement system
WATLOW ELECTRIC MFG0 citations71
US11515190B2Nov 29, 2022
Thermal diffuser for a semiconductor wafer holder
WATLOW ELECTRIC MFG2 citations71
US11028759B2Jun 8, 2021
System and method for axial zoning of heating power
WATLOW ELECTRIC MFG0 citations71
US10361103B2Jul 23, 2019
High definition heater system having a fluid medium
WATLOW ELECTRIC MFG1 citations70
US10941988B2Mar 9, 2021
Continuous helical baffle heat exchanger
WATLOW ELECTRIC MFG2 citations69
US12148650B2Nov 19, 2024
Thermal diffuser for a semiconductor wafer holder
WATLOW ELECTRIC MFG0 citations61
US11330676B2May 10, 2022
Bare heating elements for heating fluid flows
WATLOW ELECTRIC MFG1 citations61
US10724417B2Jul 28, 2020
Dual-purpose heater and fluid flow measurement system
WATLOW ELECTRIC MFG0 citations61
US11133201B2Sep 28, 2021
High definition heater system having a fluid medium
WATLOW ELECTRIC MFG0 citations60
US10648390B2May 12, 2020
System and method for axial zoning of heating power
WATLOW ELECTRIC MFG0 citations60
US11486660B2Nov 1, 2022
Continuous helical baffle heat exchanger
WATLOW ELECTRIC MFG0 citations59
US11808534B2Nov 7, 2023
Continuous helical baffle heat exchanger
WATLOW ELECTRIC MFG0 citations58
US12215994B2Feb 4, 2025
Devices for detecting material deposits in fluid flow conduits
WATLOW ELECTRIC MFG0 citations57
US11692905B2Jul 4, 2023
System and method for predicting and controlling gas line performance
WATLOW ELECTRIC MFG0 citations57
US12031875B2Jul 9, 2024
Resistance calibration and monitoring of thermal systems
WATLOW ELECTRIC MFG1 citations56
US10154542B2Dec 11, 2018
Composite device with cylindrical anisotropic thermal conductivity
WATLOW ELECTRIC MFG1 citations52
US11240881B2Feb 1, 2022
Method of manufacturing and adjusting a resistive heater
WATLOW ELECTRIC MFG0 citations51
US10734256B2Aug 4, 2020
High definition heater and method of operation
WATLOW ELECTRIC MFG0 citations50
US11913736B2Feb 27, 2024
Continuous helical baffle heat exchanger
WATLOW ELECTRIC MFG0 citations47
US11920878B2Mar 5, 2024
Continuous helical baffle heat exchanger
WATLOW ELECTRIC MFG0 citations46
US12347703B2Jul 1, 2025
Systems and methods for detecting the presence of deposits in fluid flow conduits
WATLOW ELECTRIC MFG0 citations39