C04B 2103/0071
Phase-change materials
Official title: {Phase-change materials, e.g. latent heat storage materials used in concrete compositions}
C04B2103/0071 (Phase-change materials) appears on 15 US grants and 29 published applications in this corpus.
Search patents in C04B- Granted patents
- 15
- Published applications
- 29
- Assignees
- 25
- Inventors
- 95
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 4 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 6 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of producing construction elements, construction elements produced thereby, and structures produced therefrom2 Jun 2026US 12,643,832 B2Purdue Research Foundation
- Methods and compositions of low specific gravity eutectic composite particles26 Nov 2024US 12,152,191 B1Saudi Arabian Oil Company
- Phase-change material and method for producing same24 Oct 2023US 11,795,360 B2
- High-strength geopolymer hollow microsphere, preparation method thereof and phase change energy storage microsphere27 Jun 2023US 11,685,683 B2China University of Petroleum (East China)
- Phase-change material and method for producing same26 Jul 2022US 11,396,619 B2
- Smart construction materials for ambient modification of built environments8 Oct 2026US 2026/0308064 A1Texas State University
- Active and passive integrated fireproof heat-insulating board and preparation method thereof23 Apr 2026US 2026/0109648 A1China State Construction Hailong Technology Company Limited
- Composite thermal member and method for forming same8 Jan 2026US 2026/0009595 A11414 Degrees Limited
- Lightweight cement composition and method of making cured lightweight cement therefrom28 Aug 2025US 2025/0270138 A1King Fahd University of Petroleum and Minerals
- Phase-change heat-storage foamed concrete and preparation method and use thereof21 Aug 2025US 2025/0263340 A1Hebei University of Technology
Most cited
By later US patents
- Cementitious building material incorporating end-capped polyethylene glycol as a phase change material70US 4,587,279 AUniversity of Dayton · 1986
- Phase change compositions67US 4,797,160 AUniversity of Dayton · 1989
- Application of microcapsules as latent heat accumulators42US 6,200,681 B1BASF SE · 2001
- Fireproof insulating cementitious foam comprising phase change materials17US 8,070,876 B12011
- Method for producing flame retardant porous products and products produced thereby16US 5,788,912 AUniversity of Dayton · 1998