Inventor
RAJAN SIDDARTH
US28 patents
⚠️ This page may combine multiple inventors who share the name “RAJAN SIDDARTH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LENNOX IND INC
26 patentsUS11781793B2Oct 10, 2023
Control systems and methods for preventing evaporator coil freeze
LENNOX IND INC4 citations74
US10655897B2May 19, 2020
Method and apparatus for common pressure and oil equalization in multi-compressor systems
LENNOX IND INC3 citations73
US11609046B2Mar 21, 2023
Detecting loss of charge in HVAC systems
LENNOX IND INC3 citations72
US12460832B2Nov 4, 2025
Refrigerant detection for a cooling system
LENNOX IND INC2 citations71
US12181203B1Dec 31, 2024
Method and a system for preventing a freeze event using refrigerant temperature
LENNOX IND INC0 citations62
US12169086B2Dec 17, 2024
Control systems and methods for preventing evaporator coil freeze
LENNOX IND INC0 citations62
US12066229B2Aug 20, 2024
Sensor validation
LENNOX IND INC0 citations62
US11927362B2Mar 12, 2024
Preventing evaporator coil freeze during re-heat dehumidification
LENNOX IND INC0 citations62
US11754326B2Sep 12, 2023
Sensor validation
LENNOX IND INC0 citations62
US11709004B2Jul 25, 2023
Method and a system for preventing a freeze event using refrigerant temperature
LENNOX IND INC1 citations62
US11561015B2Jan 24, 2023
Preventing evaporator coil freeze during re-heat dehumidification
LENNOX IND INC1 citations62
US11480371B2Oct 25, 2022
Sensor validation
LENNOX IND INC0 citations62
US11415347B2Aug 16, 2022
Method and apparatus for balanced fluid distribution in tandem-compressor systems
LENNOX IND INC0 citations62
US11274862B2Mar 15, 2022
Method and apparatus for balanced fluid distribution in multi-compressor systems
LENNOX IND INC0 citations62
US11248849B2Feb 15, 2022
Detecting loss of charge in HVAC systems
LENNOX IND INC0 citations62
US11009267B2May 18, 2021
HVAC system and method of improving latent capacity
LENNOX IND INC1 citations62
US10989456B2Apr 27, 2021
Method and apparatus for common manifold charge compensator
LENNOX IND INC0 citations61
US11543163B2Jan 3, 2023
Method and system for charge determination
LENNOX IND INC0 citations56
US11125481B2Sep 21, 2021
Method and system for charge determination
LENNOX IND INC0 citations56
US12486993B2Dec 2, 2025
HVAC system with leak detection and method of use
LENNOX IND INC0 citations52
US10746447B2Aug 18, 2020
Cooling system
LENNOX IND INC0 citations51
US10731901B2Aug 4, 2020
Method and apparatus for balanced fluid distribution in multi-compressor systems
LENNOX IND INC0 citations51
US10663199B2May 26, 2020
Method and apparatus for common manifold charge compensator
LENNOX IND INC0 citations51
US10495365B2Dec 3, 2019
Method and apparatus for balanced fluid distribution in tandem-compressor systems
LENNOX IND INC0 citations51
US12595924B2Apr 7, 2026
System and method for providing cooling during refrigerant leak
LENNOX IND INC0 citations47
US12298049B2May 13, 2025
System and method for identifying a refrigerant leak in multiple refrigeration circuits with one or more compressors
LENNOX IND INC0 citations47