C10B 21/14
Devices for reversing the draught
C10B21/14 (Devices for reversing the draught) appears on 7 US grants and 1 published applications in this corpus.
Search patents in C10B- Granted patents
- 7
- Published applications
- 1
- Assignees
- 5
- Inventors
- 8
- Latest grant
- 4 Dec 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 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 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- External gas heating device of coal pyrolyzing furnace4 Dec 2018US 10,144,873 B2Shanxi Xinli Energy Technology Co., Ltd
- Readjustment device for coke oven batteries8 Sep 1987US 4,692,217 AFirma Carl Still GmbH & Co. KG
- Method for monitoring the reversal system of coke oven batteries4 Mar 1986US 4,574,034 AFirma Carl Still GmbH & Co. KG
- Switching lever mechanism11 Nov 1980US 4,232,566 AFirma Carl Still GmbH & Co. KG
- Combined control device for the operation of coke oven batteries to effect switching of the regenerative heating system from one group of flues to another and for converting from one heating gas to another3 Jul 1979US 4,159,924 AFirma Carl Still Recklinghausen
Most cited
By later US patents
- Reversing method and apparatus for the automatic heating change-over of a coke oven battery9US 4,085,008 AKoppers Company, Inc. · 1978
- Coke oven battery with control means for changing the heat supply4US 4,102,751 ABergwerksverband GmbH · 1978
- Switching lever mechanism2US 4,232,566 AFirma Carl Still GmbH & Co. KG · 1980
- Combined control device for the operation of coke oven batteries to effect switching of the regenerative heating system from one group of flues to another and for converting from one heating gas to another1US 4,159,924 AFirma Carl Still Recklinghausen · 1979
- Method for monitoring the reversal system of coke oven batteries1US 4,574,034 AFirma Carl Still GmbH & Co. KG · 1986