C04B 11/028
Devices therefor characterised by the type of calcining devices used therefor or
Official title: Devices therefor {characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained}
C04B11/028 (Devices therefor characterised by the type of calcining devices used therefor or) appears on 76 US grants and 62 published applications in this corpus.
Search patents in C04B- Granted patents
- 76
- Published applications
- 62
- Assignees
- 39
- Inventors
- 191
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 4 |
| 2009 | 2 | 4 |
| 2010 | 6 | 3 |
| 2011 | 3 | 5 |
| 2012 | 3 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 3 | 2 |
| 2019 | 3 | 5 |
| 2020 | 1 | 2 |
| 2021 | 4 | 3 |
| 2022 | 2 | 2 |
| 2023 | 3 | 3 |
| 2024 | 1 | 4 |
| 2025 | 1 | 7 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Air and water barrier building panels15 Sep 2026US 12,734,724 B2Gold Bond Building Products, LLC
- Device for smelting and regenerating phosphogypsum using high-temperature ceramsite and method for using same8 Sep 2026US 12,729,157 B2Hubei Juhai Environmental Technology Co., Ltd.
- Method for drying slab-shaped materials and drying device9 Sep 2025US 12,410,094 B2Grenzebach Bsh GmbH
- System for conditioning stucco in a dust collector6 Feb 2024US 11,892,236 B2Schenck Process LLC
- Accelerator comprising starch, and related board, slurries, and methods5 Dec 2023US 11,834,374 B2United States Gypsum Company
- Systems and methods for manufacturing calcined gypsum with reduced particle size and manufacturing gypsum board with same10 Sep 2026US 2026/0265129 A1United States Gypsum Company
- Systems and methods for manufacturing calcined gypsum and manufacturing gypsum board with material handling chute having in-line measurement device6 Aug 2026US 2026/0225962 A1United States Gypsum Company
- Gypsum calcining apparatuses and methods23 Jul 2026US 2026/0209115 A1United States Gypsum Company
- Process for recovering plaster waste and installation for carrying out such a process9 Jul 2026US 2026/0193132 A1Holding Ritleng
- Process and System for the Calcination of Gypsum20 Nov 2025US 2025/0353789 A1Knauf Gips KG
Most cited
By later US patents
- Submerged combustion calcination69US 4,626,199 AUnited States Gypsum Company · 1986
- Method for multi-stage calcining of gypsum to produce an anhydrite product35US 5,954,497 AUSG Corporation · 1999
- Method of and apparatus for producing gypsum fiber boards (plasterboard)28US 4,734,163 ABabcock-BSH GmbH · 1988
- Method for calcining moist gypsum25US 5,437,850 ASulzer-Escher Wyss GmbH · 1995
- Process for manufacturing ultra low consistency alpha- and beta- blend stucco23US 7,588,634 B2United States Gypsum Company · 2009