C04B 28/26
Silicates of the alkali metals
C04B28/26 (Silicates of the alkali metals) appears on 692 US grants and 581 published applications in this corpus.
Search patents in C04B- Granted patents
- 692
- Published applications
- 581
- Assignees
- 522
- Inventors
- 1,712
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 17 | 0 |
| 1979 | 11 | 0 |
| 1980 | 14 | 0 |
| 1981 | 16 | 0 |
| 1982 | 26 | 0 |
| 1983 | 13 | 0 |
| 1984 | 16 | 0 |
| 1985 | 11 | 0 |
| 1986 | 10 | 0 |
| 1987 | 13 | 0 |
| 1988 | 13 | 0 |
| 1989 | 14 | 0 |
| 1990 | 13 | 0 |
| 1991 | 15 | 0 |
| 1992 | 10 | 0 |
| 1993 | 12 | 0 |
| 1994 | 10 | 0 |
| 1995 | 15 | 0 |
| 1996 | 10 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 3 |
| 2002 | 13 | 12 |
| 2003 | 12 | 11 |
| 2004 | 9 | 11 |
| 2005 | 7 | 18 |
| 2006 | 8 | 14 |
| 2007 | 11 | 17 |
| 2008 | 1 | 21 |
| 2009 | 3 | 31 |
| 2010 | 10 | 20 |
| 2011 | 7 | 21 |
| 2012 | 13 | 24 |
| 2013 | 20 | 16 |
| 2014 | 11 | 15 |
| 2015 | 15 | 17 |
| 2016 | 12 | 22 |
| 2017 | 11 | 11 |
| 2018 | 13 | 19 |
| 2019 | 34 | 43 |
| 2020 | 14 | 39 |
| 2021 | 21 | 30 |
| 2022 | 31 | 54 |
| 2023 | 30 | 34 |
| 2024 | 25 | 29 |
| 2025 | 21 | 23 |
| 2026 | 18 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Double-liquid grouting slurry, its technology and application for super large diameter underwater shield engineering under high water pressure condition22 Sep 2026US 12,741,910 B2China Railway 14th Bureau Group Corporation Limited
- Composite material and method for producing composite material15 Sep 2026US 12,735,359 B2Each Dream Co., Ltd.
- Thermal insulation material and method for producing thermal insulation material14 Jul 2026US 12,679,770 B2Each Dream Co., Ltd.
- Concrete element and method for its production12 May 2026US 12,623,965 B2METTEN Technologies GmbH & Co. KG
- Lost circulation compositions comprising red mud12 May 2026US 12,624,274 B2Saudi Arabian Oil Company
- Process for obtaining fibre-reinforced composite materials8 Oct 2026US 2026/0308065 A1Aeronautical Service S.R.L.
- Composite panel element1 Oct 2026US 2026/0296977 A1
- Pumpable hybrid cementitious material10 Sep 2026US 2026/0265145 A1Arizona Board of Regents on Behalf of the University of Arizona
- Intumescent sheet used in an electric vehicle battery for thermal runaway management3 Sep 2026US 2026/0260988 A1Aerogel R&D Pte. Ltd.
- High-voltage depletion-mode current source, transistor, and fabrication methods20 Aug 2026US 2026/0242281 A1Texas Instruments Incorporated
Most cited
By later US patents
- Wearable audio system with acoustic modules202US 6,301,367 B1Interval Research Corporation · 2001
- Method of three dimensional printing191US 5,902,441 AZ Corporation · 1999
- Three dimensional printing materials system168US 6,416,850 B1Z Corporation · 2002
- Method of fabricating three dimensional printed part156US 8,444,903 B2The Boeing Company · 2013
- Mineral binder and compositions employing the same153US 4,642,137 ALone Star Industries, Inc. · 1987