Andrew Leroy Hjortland

Person

Stoughton, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Energy efficient heat pump systems and methods
- Patent number 12,215,884
- Issue date Feb 4, 2025
- Tyco Fire & Security GmbH
- Andrew Leroy Hjortland
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Energy efficient heat pump with flow regulation system
- Patent number 12,163,700
- Issue date Dec 10, 2024
- Tyco Fire & Security GmbH
- Andrew Leroy Hjortland
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Energy efficient heat pump systems and methods
- Patent number 11,906,188
- Issue date Feb 20, 2024
- Johnson Controls Tyco IP Holdings LLP
- Andrew Leroy Hjortland
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
ENERGY EFFICIENT HEAT PUMP WITH CONTROL SYSTEM AND COMPRESSOR INJEC...
- Publication number 20240200839
- Publication date Jun 20, 2024
- Johnson Controls Tyco IP Holdings LLP
- Andrew Leroy Hjortland
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
ENERGY EFFICIENT HEAT PUMP SYSTEMS AND METHODS
- Publication number 20240183561
- Publication date Jun 6, 2024
- TYCO FIRE & SECURITY GMBH
- Andrew Leroy Hjortland
- F24 - HEATING RANGES VENTILATING
Information Patent Application
ENERGY EFFICIENT HEAT PUMP SYSTEMS AND METHODS
- Publication number 20240151424
- Publication date May 9, 2024
- Johnson Controls Tyco IP Holdings LLP
- Andrew Leroy Hjortland
- F24 - HEATING RANGES VENTILATING
Information Patent Application
MULTI-CIRCUIT HVAC SYSTEMS AND METHODS
- Publication number 20240068700
- Publication date Feb 29, 2024
- Johnson Controls Tyco IP Holdings LLP
- Steven A. Tice
- F24 - HEATING RANGES VENTILATING
Information Patent Application
ENERGY EFFICIENT HEAT PUMP WITH FLOW REGULATION SYSTEM
- Publication number 20230349599
- Publication date Nov 2, 2023
- Johnson Controls Tyco IP Holdings LLP
- Andrew Leroy Hjortland
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
ENERGY EFFICIENT HEAT PUMP WITH COUNTERFLOW HEAT TRANSFER ARRANGEMENT
- Publication number 20230349581
- Publication date Nov 2, 2023
- Johnson Controls Tyco IP Holdings LLP
- Andrew Leroy Hjortland
- F24 - HEATING RANGES VENTILATING
Information Patent Application
ENERGY EFFICIENT HEAT PUMP SYSTEMS AND METHODS
- Publication number 20230288093
- Publication date Sep 14, 2023
- Johnson Controls Tyco IP Holdings LLP
- Andrew Leroy Hjortland
- F24 - HEATING RANGES VENTILATING
Information Patent Application
HEAT PUMP CONTROL SYSTEMS AND METHODS
- Publication number 20230243544
- Publication date Aug 3, 2023
- Johnson Controls Tyco IP Holdings LLP
- Andrew Leroy Hjortland
- F24 - HEATING RANGES VENTILATING

Andrew Leroy Hjortland

Person

Patents Grantslast 30 patents

Energy efficient heat pump systems and methods

Energy efficient heat pump with flow regulation system

Energy efficient heat pump systems and methods

Patents Applicationslast 30 patents

ENERGY EFFICIENT HEAT PUMP WITH CONTROL SYSTEM AND COMPRESSOR INJEC...

ENERGY EFFICIENT HEAT PUMP SYSTEMS AND METHODS

ENERGY EFFICIENT HEAT PUMP SYSTEMS AND METHODS

MULTI-CIRCUIT HVAC SYSTEMS AND METHODS

ENERGY EFFICIENT HEAT PUMP WITH FLOW REGULATION SYSTEM

ENERGY EFFICIENT HEAT PUMP WITH COUNTERFLOW HEAT TRANSFER ARRANGEMENT

ENERGY EFFICIENT HEAT PUMP SYSTEMS AND METHODS

HEAT PUMP CONTROL SYSTEMS AND METHODS