C10B 25/20
Lids or closures for charging holes
C10B25/20 (Lids or closures for charging holes) appears on 39 US grants and 13 published applications in this corpus.
Search patents in C10B- Granted patents
- 39
- Published applications
- 13
- Assignees
- 24
- Inventors
- 73
- Latest grant
- 5 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 3 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Lid assembly for portable biochar kiln5 Oct 2021US 11,135,728 B2Biochar Now, LLC
- Gripper assembly for portable biochar kiln25 Aug 2020US 10,751,885 B2Biochar Now, LLC
- Pyrolysis reactor25 Aug 2020US 10,752,841 B2Enventix, Inc.
- Controlled kiln and manufacturing system for biochar production6 Aug 2019US 10,370,593 B2Biochar Now, LLC
- Converter for organic materials30 Jul 2019US 10,364,394 B2The Crucible Group Pty Ltd
- Lid assembly for portable biochar kiln12 Mar 2020US 2020/0078956 A1Biochar Now, LLC
- Plasma arc carbonizer12 Sep 2019US 2019/0276746 A1Aemerge, LLC
- Gripper assembly for portable biochar kiln31 Jan 2019US 2019/0030725 A1Biochar Now, LLC
- Pyrolysis Reactor27 Apr 2017US 2017/0114279 A1Enventix, Inc.
- Converter for organic materials25 Aug 2016US 2016/0244674 A1The Crucible Group Pty Ltd
Most cited
By later US patents
- Coal charging car for charging chambers in a coke-oven battery114US 6,152,668 AThyssen Krupp Encoke GmbH · 2000
- Sealing lid means for coke oven chamber42US 4,406,619 A1983
- Coke drum semi automatic top deheader36US 6,228,225 B1Bechtel Corporation · 2001
- Automatic cover removal system30US 6,254,733 B1Hahn & Clay · 2001
- Device for closing the filling opening of a coke oven chamber8US 4,186,056 ADidier Engineering GmbH · 1980