C04B 2/10
Preheating, burning calcining or cooling
Official title: Preheating, burning calcining or cooling (decarbonation during burning of cement raw materials C04B7/43; {obtaining CaO or MgO otherwise than by thermal decomposition of the corresponding carbonates C01F11/02, C01F5/02})
C04B2/10 (Preheating, burning calcining or cooling) appears on 260 US grants and 234 published applications in this corpus.
Search patents in C04B- Granted patents
- 260
- Published applications
- 234
- Assignees
- 172
- Inventors
- 577
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 9 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 4 |
| 2003 | 2 | 10 |
| 2004 | 5 | 9 |
| 2005 | 4 | 5 |
| 2006 | 3 | 3 |
| 2007 | 5 | 5 |
| 2008 | 4 | 9 |
| 2009 | 3 | 8 |
| 2010 | 3 | 7 |
| 2011 | 6 | 14 |
| 2012 | 4 | 6 |
| 2013 | 3 | 10 |
| 2014 | 10 | 9 |
| 2015 | 8 | 9 |
| 2016 | 8 | 8 |
| 2017 | 11 | 14 |
| 2018 | 6 | 2 |
| 2019 | 8 | 10 |
| 2020 | 4 | 7 |
| 2021 | 7 | 10 |
| 2022 | 6 | 10 |
| 2023 | 13 | 14 |
| 2024 | 5 | 24 |
| 2025 | 6 | 15 |
| 2026 | 6 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and process for production of burnt lime or dolomite8 Sep 2026US 12,729,156 B2Fels-Werke GmbH
- Apparatus and process for calcining feed material30 Jun 2026US 12,668,535 B2Air Products and Chemicals, Inc.
- System and process for oxy-fuel calcination of lime-bearing sludge16 Jun 2026US 12,655,060 B2T. EN Process Technology, Inc.
- In-situ high-strength gradient carbonized material and preparation method thereof28 Apr 2026US 12,612,332 B2Wuhan University of Technology
- Process to convert reduced sulfur species and water into hydrogen and sulfuric acid28 Apr 2026US 12,612,701 B2California Institute of Technology
- Lime and hydraulic cement manufacture by electrolysis using hyaloclastite or lava, carbon mineralization by hyaloclastite or lava electrolysis and method of making and using same8 Oct 2026US 2026/0308006 A1Greencraft LLC
- Plant and method for burning carbonate rock24 Sep 2026US 2026/0285749 A1Scheuch Management Holding GmbH
- Calcination systems, calcination methods and method and system for calcination and causticization10 Sep 2026US 2026/0265124 A1Limearc Process AB
- Calcination reactor arrangement, calcination system and calcination method20 Aug 2026US 2026/0241355 A1Limearc Process AB
- Parallel-flow regenerative shaft kiln and method of burning carbonate rock20 Aug 2026US 2026/0243516 A1Maerz Ofenbau AG
Most cited
By later US patents
- Nanostructured fillers and carriers316US 6,228,904 B1Nanomaterials Research Corporation · 2001
- Method of producing nanoscale powders by quenching of vapors219US 5,788,738 ANanomaterials Research Corporation · 1998
- Integrated thermal process for the continuous synthesis of nanoscale powders213US 5,851,507 ANanomaterials Research Corporation · 1998
- Nano-dispersed powders and methods for their manufacture178US 6,652,967 B2NanoProducts Corporation · 2003
- Nanostructured ion conducting solid electrolytes134US 5,905,000 ANanomaterials Research Corporation · 1999