F24D 2220/10
Heat storage materials
Official title: Heat storage materials, e.g. phase change materials or static water enclosed in a space
F24D2220/10 (Heat storage materials) appears on 57 US grants and 116 published applications in this corpus.
Search patents in F24D- Granted patents
- 57
- Published applications
- 116
- Assignees
- 68
- Inventors
- 222
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 2 |
| 2011 | 1 | 7 |
| 2012 | 0 | 5 |
| 2013 | 0 | 3 |
| 2014 | 3 | 2 |
| 2015 | 1 | 9 |
| 2016 | 3 | 4 |
| 2017 | 4 | 4 |
| 2018 | 2 | 7 |
| 2019 | 4 | 6 |
| 2020 | 0 | 7 |
| 2021 | 9 | 7 |
| 2022 | 6 | 7 |
| 2023 | 2 | 4 |
| 2024 | 8 | 25 |
| 2025 | 9 | 6 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for modulating energy usage12 May 2026US 12,624,861 B2Octopus Energy Heating Limited
- Thermal energy storage system with a heat pump for improved efficiency5 May 2026US 12,618,343 B2Rondo Energy, Inc.
- Modular, stackable PCM-based thermal battery apparatus21 Apr 2026US 12,607,415 B2Phasestor LLC
- Methods and systems and apparatus to support reduced energy and water usage31 Mar 2026US 12,590,713 B2Octopus Energy Heating Limited
- Density controlled phase-changing material (PCM) spheres for increased heating power and optimal delivery temperature in hot-water tanks30 Sep 2025US 12,429,231 B2UT-Battelle, LLC
- Heat pump water heater with phase change material heat exchanger25 Jun 2026US 2026/0176517 A1Alliance for Energy Innovation, LLC
- Hot water station18 Jun 2026US 2026/0168680 A1Envola GmbH
- Hot water system18 Jun 2026US 2026/0168681 A1Envola GmbH
- Heating, ventilation, and air conditoining with thermal energy storage28 May 2026US 2026/0146759 A1Carrier Corporation
- Load shifting using flow control assembly in heat pump integrated with thermal energy storage28 May 2026US 2026/0146801 A1Carrier Corporation
Most cited
By later US patents
- Systems and methods of thermal transfer and/or storage12US 9,671,171 B2Bluelagoon Technologies Ltd. · 2017
- Energy storage systems9US 10,900,667 B2Sunamp Limited · 2021
- Heater module including thermal energy storage material9US 9,873,305 B2Dow Global Technologies LLC · 2018
- Synergistic energy ecosystem8US 9,429,018 B2ElectroMotion Energy Corporation · 2016
- System and method for combined heat and electric power generation5US 11,133,757 B2Spark Thermionics, Inc. · 2021