Inventor
SIENEL TOBIAS H
US41 patents
⚠️ This page may combine multiple inventors who share the name “SIENEL TOBIAS H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CARRIER CORP
38 patentsUS7458418B2Dec 2, 2008
Storage tank for hot water systems
CARRIER CORP83 citations98
US6385980B1May 14, 2002
High pressure regulation in economized vapor compression cycles
CARRIER CORP121 citations98
US6925821B2Aug 9, 2005
Method for extracting carbon dioxide for use as a refrigerant in a vapor compression system
CARRIER CORP64 citations96
US6418735B1Jul 16, 2002
High pressure regulation in transcritical vapor compression cycles
CARRIER CORP52 citations96
US6070420AJun 6, 2000
Variable refrigerant, intrastage compression heat pump
CARRIER CORP48 citations95
US5848537ADec 15, 1998
Variable refrigerant, intrastage compression heat pump
CARRIER CORP71 citations95
US7051542B2May 30, 2006
Transcritical vapor compression optimization through maximization of heating capacity
CARRIER CORP22 citations93
US7424807B2Sep 16, 2008
Supercritical pressure regulation of economized refrigeration system by use of an interstage accumulator
CARRIER CORP31 citations92
US6907923B2Jun 21, 2005
Storage tank for hot water systems
CARRIER CORP25 citations92
US6898941B2May 31, 2005
Supercritical pressure regulation of vapor compression system by regulation of expansion machine flowrate
CARRIER CORP26 citations92
US6698234B2Mar 2, 2004
Method for increasing efficiency of a vapor compression system by evaporator heating
CARRIER CORP49 citations92
US6739141B1May 25, 2004
Supercritical pressure regulation of vapor compression system by use of gas cooler fluid pumping device
CARRIER CORP34 citations91
US6658888B2Dec 9, 2003
Method for increasing efficiency of a vapor compression system by compressor cooling
CARRIER CORP27 citations90
US7228692B2Jun 12, 2007
Defrost mode for HVAC heat pump systems
CARRIER CORP14 citations84
US6606867B1Aug 19, 2003
Suction line heat exchanger storage tank for transcritical cycles
CARRIER CORP18 citations84
US7389648B2Jun 24, 2008
Pressure regulation in a transcritical refrigerant cycle
CARRIER CORP12 citations83
US5822996AOct 20, 1998
Vapor separation of variable capacity heat pump refrigerant
CARRIER CORP17 citations81
US7024883B2Apr 11, 2006
Vapor compression systems using an accumulator to prevent over-pressurization
CARRIER CORP10 citations74
US5997825ADec 7, 1999
Refrigerant disposal
CARRIER CORP16 citations73
US11592244B2Feb 28, 2023
Multiport fluid distributor and microchannel heat exchanger having the same
CARRIER CORP2 citations71
US10508862B2Dec 17, 2019
Heat exchanger for air-cooled chiller
CARRIER CORP2 citations71
US10247481B2Apr 2, 2019
Multiple tube bank heat exchange unit with manifold assembly
CARRIER CORP4 citations71
US7370483B2May 13, 2008
Refrigerant cycle with three-way service valve for environmentally friendly refrigerant
CARRIER CORP5 citations63
US12546538B2Feb 10, 2026
Microchannel heat exchanger tube supported bracket
CARRIER CORP0 citations62
US11656036B2May 23, 2023
Heat exchanger and associated tube sheet
CARRIER CORP0 citations62
US10753656B2Aug 25, 2020
Low refrigerant charge microchannel heat exchanger
CARRIER CORP1 citations62
US10288331B2May 14, 2019
Low refrigerant charge microchannel heat exchanger
CARRIER CORP1 citations62
US7707842B2May 4, 2010
Defrost mode for HVAC heat pump systems
CARRIER CORP3 citations62
US12078431B2Sep 3, 2024
Microchannel heat exchanger for a furnace
CARRIER CORP1 citations61
US11598582B2Mar 7, 2023
Shell-and-tube heat exchanger and air conditioning system
CARRIER CORP0 citations60
US12590769B2Mar 31, 2026
Heat exchanger with aluminum alloy clad tube and method of manufacture
CARRIER CORP0 citations59
US12050067B2Jul 30, 2024
Heat exchanger with aluminum alloy clad tube and method of manufacture
CARRIER CORP0 citations59
US12111120B2Oct 8, 2024
Microchannel heat exchanger
CARRIER CORP0 citations52
US11982491B2May 14, 2024
Microchannel heat exchanger tube supported bracket
CARRIER CORP0 citations52
US11867466B2Jan 9, 2024
Compact heat exchanger assembly for a refrigeration system
CARRIER CORP0 citations50
US11846471B2Dec 19, 2023
Shell and tube heat exchanger with compound tubesheet
CARRIER CORP0 citations49
US11885533B2Jan 30, 2024
Refrigerant vapor compression system
CARRIER CORP0 citations46
US10830542B2Nov 10, 2020
Method for manufacturing a multiple manifold assembly having internal communication ports
CARRIER CORP0 citations40