C04B 20/061
In rotary kilns
Official title: {in rotary kilns}
C04B20/061 (In rotary kilns) appears on 11 US grants and 7 published applications in this corpus.
Search patents in C04B- Granted patents
- 11
- Published applications
- 7
- Assignees
- 9
- Inventors
- 24
- Latest grant
- 28 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for heat treatment of a feed material28 Nov 2023US 11,827,563 B2Binder GmbH
- Manufacturing process of pozzolan with color change and pozzolan thus obtained1 Nov 2022US 11,485,680 B2Dynamis Engenharia E ComéRcio Ltda.
- System for heat treatment of a feed material22 Jun 2021US 11,040,911 B2Binder GmbH
- Method for expansion of sand grain-shaped raw material3 Sep 2019US 10,399,901 B2Binder GmbH
- Device for expansion of sand grain-shaped raw material19 Mar 2019US 10,233,118 B2Binder GmbH
- Method for preparing lightweight aggregates9 Oct 2025US 2025/0313510 A1Seegex
- Method for heat treatment of a feed material7 Oct 2021US 2021/0309572 A1Binder GmbH
- Manufacturing process of pozzolan with color change and pozzolan thus obtained30 Apr 2020US 2020/0131087 A1Dynamis Engenharia E ComéRcio Ltda.
- Method for heat treatment of a feed material6 Feb 2020US 2020/0039879 A1Binder GmbH
- Method for expansion of sand grain-shaped raw material27 Jun 2019US 2019/0194070 A1Binder GmbH
Most cited
By later US patents
- Rotary kiln for forming lightweight aggregate from flyash and sewage sludge13US 6,183,242 B2Svedala Industries, Inc. · 2001
- Heat treatment of expansible materials to form lightweight aggregate11US 5,482,458 A1996
- Production of expanded clay and shale9US 4,342,554 ARohrbach Technologie KG Baustofftechnik GmbH & Co. · 1982
- Method and apparatus for producing expanded clay and expanded shale3US 4,494,928 ABaustofftechnik GmbH & Co. · 1985
- Device for expansion of sand grain-shaped raw material2US 10,233,118 B2Binder GmbH · 2019