C04B 7/38
Preparing or treating the raw materials individually or as batches
Official title: Preparing or treating the raw materials individually or as batches {, e.g. mixing with fuel; (C04B7/362 takes precedence)}
C04B7/38 (Preparing or treating the raw materials individually or as batches) appears on 127 US grants and 138 published applications in this corpus.
Search patents in C04B- Granted patents
- 127
- Published applications
- 138
- Assignees
- 129
- Inventors
- 485
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 3 |
| 2004 | 5 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 5 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 7 | 5 |
| 2012 | 3 | 3 |
| 2013 | 2 | 6 |
| 2014 | 4 | 5 |
| 2015 | 5 | 5 |
| 2016 | 3 | 1 |
| 2017 | 2 | 2 |
| 2018 | 3 | 4 |
| 2019 | 1 | 2 |
| 2020 | 0 | 4 |
| 2021 | 5 | 10 |
| 2022 | 1 | 11 |
| 2023 | 4 | 15 |
| 2024 | 6 | 17 |
| 2025 | 8 | 18 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Production of activated-belite-CSA clinkers at extremely low firing temperature18 Aug 2026US 12,709,571 B2University of Kentucky Research Foundation
- Method and apparatus for manufacturing cement using rotary generated thermal energy28 Jul 2026US 12,692,192 B2Coolbrook Oy
- Method and apparatus for heating fluids in processes related to refining and petrochemical industries using rotary generated thermal energy9 Jun 2026US 12,649,689 B2Coolbrook Oy
- Use of a hydraulic binder containing calcium aluminate for the production of a construction material12 May 2026US 12,623,963 B2ARDEX Group GmbH
- In-situ high-strength gradient carbonized material and preparation method thereof28 Apr 2026US 12,612,332 B2Wuhan University of Technology
- Strengthened calcium carbonate cementitious composition17 Sep 2026US 2026/0274746 A1Arelac, Inc.
- Refining and/or petrochemical facility and apparatus for heating fluids in processes related to refining and petrochemical industries using rotary generated thermal energy17 Sep 2026US 2026/0274747 A1Coolbrook Oy
- Device for colour optimisation of activated clays16 Jul 2026US 2026/0202131 A1thyssenkrupp AG
- Precipitated Calcium Carbonate (PCC) as Feedstock in Hydraulic Cement Production, and Hydraulic Cements Produced Therefrom23 Apr 2026US 2026/0109643 A1Travertine Technologies, Inc.
- Comprehensive utilization method for iron separation tailings from magnetizing-roasted red mud23 Apr 2026US 2026/0109644 A1Zhengzhou Non-Ferrous Metals Research Institute Co. Ltd of Chalco
Most cited
By later US patents
- Cement and concrete compositions for controlling alkali-silica reaction in concrete79US 6,022,408 AFMC Corporation · 2000
- Method and apparatus for recycling cement kiln dust65US 6,416,574 B1Southern Ionica Incorporated · 2002
- Hydraulic cements35US 4,042,408 AThe Associated Portland Cement Manufacturers Limited · 1977
- Concrete compositions and methods35US 9,061,940 B2Calera Corporation · 2015
- Method of producing cement clinker and associated device28US 6,264,738 B12001