F27M 2003/09
Expanding the charge
Official title: Expanding the charge, e.g. clay
F27M2003/09 (Expanding the charge) appears on 6 US grants and 3 published applications in this corpus.
Search patents in F27M- Granted patents
- 6
- Published applications
- 3
- Assignees
- 3
- Inventors
- 7
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 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 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Expandable silica particles and methods for making and using the same17 Mar 2026US 12,577,150 B2Valunor AG
- Expandable silica particles and methods for making and using the same7 May 2024US 11,976,000 B2Valunor AG
- Heat treatment of expansible materials to form lightweight aggregate9 Jan 1996US 5,482,458 A
- Process for manufacturing large-size porous shaped bodies of low density by swelling29 Sep 1992US 5,151,228 ALoro-Holding K.H. Vahlbrauk KG
- Treatment of expansible materials to form lightweight aggregate6 Mar 1990US 4,906,183 AJ. W. Greaves & Sons Limited
- Expandable silica particles and methods for making and using the same2 Jul 2026US 2026/0184620 A1Valunor AG
- Expandable silica particles and methods for making and using the same26 Sep 2024US 2024/0317638 A1Valunor AG
- Expandable silica particles and methods for making and using the same26 Jan 2023US 2023/0023633 A1Valunor AG
Most cited
By later US patents
- Heat treatment of expansible materials to form lightweight aggregate11US 5,482,458 A1996
- Process for manufacturing large-size porous shaped bodies of low density by swelling10US 5,151,228 ALoro-Holding K.H. Vahlbrauk KG · 1992
- Treatment of expansible materials to form lightweight aggregate7US 4,906,183 AJ. W. Greaves & Sons Limited · 1990
- Treatment of expansible materials to form lightweight aggregate1US 4,728,471 AJ. W. Greaves & Sons Limited · 1988