Energy Efficiency Patent Application Trends 2025

Energy Efficiency Patent Application Filing Activity

Energy Efficiency patent applications in 2025

Top Technology Areas in Energy Efficiency

Top CPC Codes

H01M2010/4271 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY)
- Count: 2 patents
- Example: 20250118982. FLEXIBLE BATTERY MANAGEMENT SYSTEM (BMS)-GATEWAYS AND MODULAR ENERGY MANAGEMENT SYSTEMS FOR SECOND-LIFE ELECTRIC VEHICLE (EV) BATTERIES IN ENERGY STORAGE SYSTEMS (San Diego State University Research Foundation)
G05B13/0265 (CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables)
- Count: 2 patents
- Example: 20250020349. BUILDING AUTOMATION SYSTEM WITH EDGE DEVICE LOCAL CONFIGURATION (Tyco Fire & Security GmbH)
G05B23/0275 (CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables)
- Count: 2 patents
- Example: 20250076868. BUILDING AUTOMATION SYSTEM WITH REMOTE DIAGNOSTICS AND CORRECTIVE ACTIONS FOR BUILDING EQUIPMENT FAULTS (Tyco Fire & Security GmbH)
G05B15/02 (CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables)
- Count: 2 patents
- Example: 20250076868. BUILDING AUTOMATION SYSTEM WITH REMOTE DIAGNOSTICS AND CORRECTIVE ACTIONS FOR BUILDING EQUIPMENT FAULTS (Tyco Fire & Security GmbH)
G05B17/02 (CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables)
- Count: 2 patents
- Example: 20250079848. METHOD FOR MANAGING HEAT-ELECTRIC OUTPUTS OF HIGH-PROPORTION NEW ENERGY SYSTEM BASED ON CSP-CHP COMBINED ENERGY SUPPLY AND SYSTEM THEREOF (SHANDONG UNIVERSITY)
H02J2203/20 (CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY)
- Count: 2 patents
- Example: 20250079848. METHOD FOR MANAGING HEAT-ELECTRIC OUTPUTS OF HIGH-PROPORTION NEW ENERGY SYSTEM BASED ON CSP-CHP COMBINED ENERGY SUPPLY AND SYSTEM THEREOF (SHANDONG UNIVERSITY)
H02J2300/24 (CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY)
- Count: 2 patents
- Example: 20250079848. METHOD FOR MANAGING HEAT-ELECTRIC OUTPUTS OF HIGH-PROPORTION NEW ENERGY SYSTEM BASED ON CSP-CHP COMBINED ENERGY SUPPLY AND SYSTEM THEREOF (SHANDONG UNIVERSITY)
H02J7/04 (CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY)
- Count: 1 patents
- Example: 20250118982. FLEXIBLE BATTERY MANAGEMENT SYSTEM (BMS)-GATEWAYS AND MODULAR ENERGY MANAGEMENT SYSTEMS FOR SECOND-LIFE ELECTRIC VEHICLE (EV) BATTERIES IN ENERGY STORAGE SYSTEMS (San Diego State University Research Foundation)
H01M10/425 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY)
- Count: 1 patents
- Example: 20250118982. FLEXIBLE BATTERY MANAGEMENT SYSTEM (BMS)-GATEWAYS AND MODULAR ENERGY MANAGEMENT SYSTEMS FOR SECOND-LIFE ELECTRIC VEHICLE (EV) BATTERIES IN ENERGY STORAGE SYSTEMS (San Diego State University Research Foundation)
H01M10/441 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY)
- Count: 1 patents
- Example: 20250118982. FLEXIBLE BATTERY MANAGEMENT SYSTEM (BMS)-GATEWAYS AND MODULAR ENERGY MANAGEMENT SYSTEMS FOR SECOND-LIFE ELECTRIC VEHICLE (EV) BATTERIES IN ENERGY STORAGE SYSTEMS (San Diego State University Research Foundation)

Top Companies in Energy Efficiency 2025

File:Top Companies in Energy Efficiency.png

Tyco Fire & Security GmbH

Number of Energy Efficiency patents: 4
Top CPC codes:
- G05B23/0275 (CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables): 2 patents
- G06F3/04842 (Selection of displayed objects or displayed text elements (): 1 patents
- G06Q50/163 (Real estate management): 1 patents
Recent patents:

Enphase Energy, Inc.

Number of Energy Efficiency patents: 2
Top CPC codes:
- H01M50/202 (Casings or frames around the primary casing of a single cell or a single battery): 1 patents
- G01R31/3646 (Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]): 1 patents
- G01R31/382 (MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits): 1 patents
Recent patents:
- 20250055102. SMART PACKAGING AND INVENTORY CONTROL FOR BATTERIES CONFIGURED FOR USE WITH ENERGY MANAGEMENT SYSTEMS (Enphase Energy, Inc.) (20250213)
- 20250125627. ENERGY MANAGEMENT SYSTEMS (Enphase Energy, Inc.) (20250417)

Energy Vault, Inc.

Number of Energy Efficiency patents: 2
Top CPC codes:
- H02J3/001 (Circuit arrangements for ac mains or ac distribution networks): 1 patents
- G06F30/20 (ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models): 1 patents
- H02J3/40 (CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY): 1 patents
Recent patents:
- 20250055277. SYSTEMS AND METHODS FOR FAULT TOLERANT ENERGY MANAGEMENT SYSTEMS CONFIGURED TO MANAGE HETEROGENEOUS POWER PLANTS (Energy Vault, Inc.) (20250213)
- 20250055312. SYSTEMS AND METHODS FOR FAULT TOLERANT ENERGY MANAGEMENT SYSTEMS CONFIGURED TO MANAGE HETEROGENEOUS POWER PLANTS (Energy Vault, Inc.) (20250213)

TRANE INTERNATIONAL INC.

Number of Energy Efficiency patents: 2
Top CPC codes:
- H02J3/14 (CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY): 1 patents
- F25B29/003 (Combined heating and refrigeration systems, e.g. operating alternately or simultaneously): 1 patents
- F24D3/02 (DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR (using steam or condensate extracted or exhausted from steam engine plants for heating purposes): 1 patents
Recent patents:
- 20250015591. ENERGY CONTROL AND PREDICTIVE MODEL OF BUILDING AUTOMATION SYSTEMS (TRANE INTERNATIONAL INC.) (20250109)
- 20250102202. MULTI-FEED CHILLER-HEATER PRODUCTION MODULE AND METHOD OF CONTROLLING THE SAME (TRANE INTERNATIONAL INC.) (20250327)

San Diego State University Research Foundation

Number of Energy Efficiency patents: 1
Top CPC codes:
- H02J7/04 (CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY): 1 patents
- H01M10/425 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY): 1 patents
- H01M10/441 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY): 1 patents
Recent patents:
- 20250118982. FLEXIBLE BATTERY MANAGEMENT SYSTEM (BMS)-GATEWAYS AND MODULAR ENERGY MANAGEMENT SYSTEMS FOR SECOND-LIFE ELECTRIC VEHICLE (EV) BATTERIES IN ENERGY STORAGE SYSTEMS (San Diego State University Research Foundation) (20250410)

Intertrust Technologies Corporation

Number of Energy Efficiency patents: 1
Top CPC codes:
- H02J3/0075 (Circuit arrangements for ac mains or ac distribution networks): 1 patents
- H02J3/003 (Circuit arrangements for ac mains or ac distribution networks): 1 patents
- H02J3/004 (Circuit arrangements for ac mains or ac distribution networks): 1 patents
Recent patents:
- 20250038530. Intelligent Energy Management Systems and Methods (Intertrust Technologies Corporation) (20250130)

SHANDONG UNIVERSITY

Number of Energy Efficiency patents: 1
Top CPC codes:
- H02J3/381 (Arrangements for parallely feeding a single network by two or more generators, converters or transformers): 1 patents
- F02C1/00 (Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid (by the use of combustion products): 1 patents
- F02C6/14 (GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS (construction of turbines): 1 patents
Recent patents:
- 20250079848. METHOD FOR MANAGING HEAT-ELECTRIC OUTPUTS OF HIGH-PROPORTION NEW ENERGY SYSTEM BASED ON CSP-CHP COMBINED ENERGY SUPPLY AND SYSTEM THEREOF (SHANDONG UNIVERSITY) (20250306)

Siemens Industry, Inc.

Number of Energy Efficiency patents: 1
Top CPC codes:
- G05B23/0281 (CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables): 1 patents
- G05B23/0221 (CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables): 1 patents
Recent patents:
- 20250172932. FAULT DETECTION AND DIAGNOSTICS OF BUILDING AUTOMATION SYSTEMS (Siemens Industry, Inc.) (20250529)

Tianjin University

Number of Energy Efficiency patents: 1
Top CPC codes:
- H02J3/0012 (Circuit arrangements for ac mains or ac distribution networks): 1 patents
- G05B13/042 (involving the use of models or simulators): 1 patents
- H02J3/36 (CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY): 1 patents
Recent patents:
- 20250174990. DC VOLTAGE ADAPTIVE COORDINATED CONTROL SYSTEM AND METHOD UNDER FAULT OF VSC-HVDC RECEIVING-END POWER GRID (Tianjin University) (20250529)

CrowdComfort, Inc.

Number of Energy Efficiency patents: 1
Top CPC codes:
- H04B10/116 (Visible light communication): 1 patents
- H04L67/52 (specially adapted for the location of the user terminal): 1 patents
- H04W4/029 (WIRELESS COMMUNICATION NETWORKS (broadcast communication): 1 patents
Recent patents:
- 20250088273. SYSTEMS AND METHODS FOR COLLECTING, MANAGING, AND LEVERAGING CROWDSOURCED DATA (CrowdComfort, Inc.) (20250313)