C04B 11/0281
Kettles
Official title: {Kettles; Marmites; Autoclaves}
C04B11/0281 (Kettles) appears on 15 US grants and 10 published applications in this corpus.
Search patents in C04B- Granted patents
- 15
- Published applications
- 10
- Assignees
- 6
- Inventors
- 39
- Latest grant
- 29 Jun 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Calcining kettle, calcining system, and method29 Jun 2021US 11,046,611 B2Tru-Flow Systems, Inc.
- Calcium sulfate hemihydrate treatment process9 Oct 2012US 8,282,731 B2The Nugyp Corp.
- Device for drying and/or calcining gypsum28 Aug 2012US 8,251,695 B2Lafarge Platres
- Calcium sulfate hemihydrate treatment process2 Nov 2010US 7,824,490 B2The Nugyp Corp.
- Device for drying and/or calcining gypsum26 Jan 2010US 7,651,565 B2Lafarge Platres
- Apparatus and process for post stucco treatment and cooling21 Aug 2025US 2025/0263338 A1United States Gypsum Company
- System and method for manufacturing calcined gypsum with temperature control mechanism1 May 2025US 2025/0136504 A1United States Gypsum Company
- A process for the continuous preparation of alpha-calcium sulphate hemihydrate and a particulate gypsum11 Apr 2024US 2024/0116810 A1
- Processes for quantitative calcium sulfate phase analysis and uses thereof25 Jan 2024US 2024/0025807 A1
- Calcining kettle, calcining system, and method10 Oct 2019US 2019/0308906 A1Tru-Flow Systems, Inc.
Most cited
By later US patents
- Submerged combustion calcination69US 4,626,199 AUnited States Gypsum Company · 1986
- Continuous gypsum calcination process and kettle therefor18US 4,113,836 ANational Gypsum Company · 1978
- Calcining calcium sulphate dihydrate16US 4,176,157 ABPB Industries Limited · 1979
- Calcination apparatus13US 5,011,668 AUnited States Gypsum Company · 1991
- Calcination apparatus11US 4,915,623 AUnited States Gypsum Company · 1990