C04B 11/0285
Rotary kilns
Official title: {Rotary kilns}
C04B11/0285 (Rotary kilns) appears on 5 US grants and 6 published applications in this corpus.
Search patents in C04B- Granted patents
- 5
- Published applications
- 6
- Assignees
- 4
- Inventors
- 7
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- 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.
- Multitubular rotary heat exchanger12 Apr 2022US 11,300,357 B2Yoshino Gypsum Co., Ltd.
- Calcined gypsum treatment device and calcined gypsum treatment method13 Apr 2021US 10,974,993 B2Yoshino Gypsum Co., Ltd.
- Apparatus for stabilizing plaster6 Jul 2010US 7,748,888 B2Lafarge Platres
- Method and apparatus for stabilizing plaster13 May 2008US 7,371,278 B2Lafarge Platres
- Gypsum Calcining Apparatuses and Methods15 May 2025US 2025/0153124 A1United States Gypsum Company
- Device for smelting and regenerating phosphogypsum using high-temperature ceramsite and method for using same21 Nov 2024US 2024/0383805 A1Hubei Juhai Environmental Technology Co., Ltd.
- Multitubular rotary heat exchanger18 Feb 2021US 2021/0048254 A1Yoshino Gypsum Co., Ltd.
- Calcined gypsum treatment device and calcined gypsum treatment method17 Jan 2019US 2019/0016633 A1Yoshino Gypsum Co., Ltd.
- Method and apparatus for stabilizing plaster12 Jun 2008US 2008/0135072 A1Lafarge Platres
Most cited
By later US patents