Derek A. Leman

Person

Brownsburg, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of operating a heat pump system
- Patent number 12,173,942
- Issue date Dec 24, 2024
- Carrier Corporation
- Charles Cluff
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant charge management
- Patent number 11,215,388
- Issue date Jan 4, 2022
- Carrier Corporation
- Derek A. Leman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
System and method of operating a variable speed compressor with a t...
- Patent number 11,022,357
- Issue date Jun 1, 2021
- Carrier Corporation
- Matthew Austin
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Climate control outdoor unit with inverter cooling
- Patent number 10,928,080
- Issue date Feb 23, 2021
- Carrier Corporation
- Mark W. Shoemaker
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Refrigerant to water heat exchanger
- Patent number 10,557,667
- Issue date Feb 11, 2020
- Carrier Corporation
- Derek Leman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for managing a refrigerant charge in a multi-purpose HVAC sy...
- Patent number 10,006,670
- Issue date Jun 26, 2018
- Carrier Corporation
- Derek Leman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method and system of using a reversing valve to control at least tw...
- Patent number 9,732,998
- Issue date Aug 15, 2017
- Carrier Corporation
- Derek Leman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Heat pump water module with condensing coil in water storage tank
- Patent number 9,488,384
- Issue date Nov 8, 2016
- Carrier Corporation
- Derek Leman
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Streamlined orifice of outdoor unit
- Patent number 8,267,156
- Issue date Sep 18, 2012
- Carrier Corporation
- Yu Wang
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Coil support
- Patent number 7,708,052
- Issue date May 4, 2010
- Carrier Corporation
- Derek A. Leman
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Corner top clip
- Patent number D562122
- Issue date Feb 19, 2008
- Carrier Corporation
- Derek Leman
- D08 - Tools and hardware
Information Patent Grant
Tri-spoke motor cap
- Patent number D538724
- Issue date Mar 20, 2007
- Carrier Corporation
- Derek Leman
- D12 - Transportation

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF OPERATING A REFRIGERANT COMPRESSOR
- Publication number 20230152018
- Publication date May 18, 2023
- Carrier Corporation
- Charles A. Cluff
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHOD OF OPERATING A HEAT PUMP SYSTEM
- Publication number 20230064936
- Publication date Mar 2, 2023
- Charles Cluff
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND METHOD FOR VARIABLE CIRCUITING IN A RESIDENTIAL HEAT PUM...
- Publication number 20200232694
- Publication date Jul 23, 2020
- Carrier Corporation
- Derek A. Leman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
VARIABLE SPEED VAPOR COMPRESSION SYSTEMS AND METHODS OF CONTROLLING...
- Publication number 20200166234
- Publication date May 28, 2020
- Carrier Corporation
- Derek A. Leman
- F24 - HEATING RANGES VENTILATING
Information Patent Application
REFRIGERANT TO WATER HEAT EXCHANGER
- Publication number 20180320979
- Publication date Nov 8, 2018
- Carrier Corporation
- Derek Leman
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Climate Control Outdoor Unit with Inverter Cooling
- Publication number 20170130975
- Publication date May 11, 2017
- Carrier Corporation
- Mark W. Shoemaker
- F24 - HEATING RANGES VENTILATING
Information Patent Application
SYSTEM AND METHOD OF OPERATING A VARIABLE SPEED COMPRESSOR WITH A T...
- Publication number 20170097183
- Publication date Apr 6, 2017
- Carrier Corporation
- Matthew Austin
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHOD AND SYSTEM OF USING A REVERSING VALVE TO CONTROL AT LEAST TW...
- Publication number 20150260437
- Publication date Sep 17, 2015
- Carrier Corporation
- Derek Leman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
BRAZED HEAT EXCHANGER DESIGN
- Publication number 20150122459
- Publication date May 7, 2015
- Carrier Corporation
- Derek Leman
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
System and Method for Using an Electronic Expansion Valve to Contro...
- Publication number 20150052914
- Publication date Feb 26, 2015
- Carrier Corporation
- Derek Leman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND METHOD FOR IMPROVING A WATER HEATING CYCLE IN A MULTI-PU...
- Publication number 20150040841
- Publication date Feb 12, 2015
- Carrier Corporation
- Derek Leman
- F24 - HEATING RANGES VENTILATING
Information Patent Application
METHOD FOR MANAGING A REFRIGERANT CHARGE IN A MULTI-PURPOSE HVAC SY...
- Publication number 20140326004
- Publication date Nov 6, 2014
- Carrier Corporation
- Derek Leman
- F24 - HEATING RANGES VENTILATING
Information Patent Application
REFRIGERANT TO WATER HEAT EXCHANGER
- Publication number 20140318752
- Publication date Oct 30, 2014
- Carrier Corporation
- Derek Leman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HEAT PUMP WATER MODULE WITH CONDENSING COIL IN WATER STORAGE TANK
- Publication number 20140283540
- Publication date Sep 25, 2014
- Carrier Corporation
- Derek Leman
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Hybrid Space And Hot Water Heating Heat Pump
- Publication number 20130104574
- Publication date May 2, 2013
- Daniel J. Dempsey
- F24 - HEATING RANGES VENTILATING
Information Patent Application
ADAPTER FOR HEAT EXCHANGER
- Publication number 20110073277
- Publication date Mar 31, 2011
- Andrew E. Karl
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Streamlined Orifice of Outdoor Unit
- Publication number 20080292459
- Publication date Nov 27, 2008
- Carrier Corporation
- Yu Wang
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Support bracket for casing of a condensing unit
- Publication number 20080092576
- Publication date Apr 24, 2008
- Carrier Corporation
- Loren D. Hoffman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Coil support
- Publication number 20070169925
- Publication date Jul 26, 2007
- Carrier Corporation
- Derek A. Leman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Derek A. Leman

Person

Patents Grantslast 30 patents

Method of operating a heat pump system

Refrigerant charge management

System and method of operating a variable speed compressor with a t...

Climate control outdoor unit with inverter cooling

Refrigerant to water heat exchanger

Method for managing a refrigerant charge in a multi-purpose HVAC sy...

Method and system of using a reversing valve to control at least tw...

Heat pump water module with condensing coil in water storage tank

Streamlined orifice of outdoor unit

Coil support

Corner top clip

Tri-spoke motor cap

Patents Applicationslast 30 patents

METHOD OF OPERATING A REFRIGERANT COMPRESSOR

METHOD OF OPERATING A HEAT PUMP SYSTEM

SYSTEM AND METHOD FOR VARIABLE CIRCUITING IN A RESIDENTIAL HEAT PUM...

VARIABLE SPEED VAPOR COMPRESSION SYSTEMS AND METHODS OF CONTROLLING...

REFRIGERANT TO WATER HEAT EXCHANGER

Climate Control Outdoor Unit with Inverter Cooling

SYSTEM AND METHOD OF OPERATING A VARIABLE SPEED COMPRESSOR WITH A T...

METHOD AND SYSTEM OF USING A REVERSING VALVE TO CONTROL AT LEAST TW...

BRAZED HEAT EXCHANGER DESIGN

System and Method for Using an Electronic Expansion Valve to Contro...

SYSTEM AND METHOD FOR IMPROVING A WATER HEATING CYCLE IN A MULTI-PU...

METHOD FOR MANAGING A REFRIGERANT CHARGE IN A MULTI-PURPOSE HVAC SY...

REFRIGERANT TO WATER HEAT EXCHANGER

HEAT PUMP WATER MODULE WITH CONDENSING COIL IN WATER STORAGE TANK

Hybrid Space And Hot Water Heating Heat Pump

ADAPTER FOR HEAT EXCHANGER

Streamlined Orifice of Outdoor Unit

Support bracket for casing of a condensing unit

Coil support