C04B 28/001
Containing unburned clay
Official title: {containing unburned clay (polymer binder - clay mixtures used in well cementing C09K8/44)}
C04B28/001 (Containing unburned clay) appears on 135 US grants and 157 published applications in this corpus.
Search patents in C04B- Granted patents
- 135
- Published applications
- 157
- Assignees
- 102
- Inventors
- 334
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 3 |
| 2004 | 4 | 3 |
| 2005 | 1 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 7 |
| 2008 | 1 | 6 |
| 2009 | 3 | 8 |
| 2010 | 6 | 10 |
| 2011 | 4 | 5 |
| 2012 | 6 | 4 |
| 2013 | 7 | 8 |
| 2014 | 4 | 5 |
| 2015 | 4 | 4 |
| 2016 | 3 | 2 |
| 2017 | 5 | 7 |
| 2018 | 4 | 4 |
| 2019 | 3 | 8 |
| 2020 | 3 | 11 |
| 2021 | 6 | 8 |
| 2022 | 7 | 10 |
| 2023 | 8 | 10 |
| 2024 | 7 | 21 |
| 2025 | 8 | 3 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Building materials and components and methods of making the same2 Jun 2026US 12,643,824 B2
- Method for producing a decorative mineral composite body14 Apr 2026US 12,600,684 B2Leonhard Kurz Stiftung & Co. KG
- System and method for sealing a well using controlled hydration expansion of a smectite-containing clay mineral14 Apr 2026US 12,600,895 B2
- Mineral binder based construction material with improved fire resistance behavior27 Jan 2026US 12,534,404 B2Knauf Gips KG
- Building foundation and soil stabilization method and system11 Nov 2025US 12,467,218 B2Aquadation LLC
- Carbon dioxide removing thermal insulation material composition and production method thereof9 Jul 2026US 2026/0193885 A1Empa EidgenöSsische MaterialprüFungs- Und Forschungsanstalt
- Cementing spacer30 Apr 2026US 2026/0117111 A1Riteks, Inc.
- Cementitious materials including a luminescent compound for printing 3-dimensional structures26 Mar 2026US 2026/0085011 A1Sika Technology AG
- System and method for natural-based construction material1 Jan 2026US 2026/0001811 A1
- Formulation for a low-carbon construction binder, method of production, and construction materials25 Dec 2025US 2025/0388513 A1Materrup
Most cited
By later US patents
- Method of three dimensional printing191US 5,902,441 AZ Corporation · 1999
- Three dimensional printing materials system168US 6,416,850 B1Z Corporation · 2002
- Three dimensional printing material system and method123US 6,610,429 B2Z Corporation · 2003
- Grout fluids for use in a geothermal well loop71US 9,845,423 B2Halliburton Energy Services.Inc. · 2017
- Glass compositions and their fibers56US 4,366,251 AOwens-Corning Fiberglas Corporation · 1982