C10B 25/02
Doors
Official title: Doors; Door frames
C10B25/02 (Doors) appears on 276 US grants and 108 published applications in this corpus.
Search patents in C10B- Granted patents
- 276
- Published applications
- 108
- Assignees
- 112
- Inventors
- 336
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 12 | 0 |
| 1978 | 19 | 0 |
| 1979 | 6 | 0 |
| 1980 | 15 | 0 |
| 1981 | 15 | 0 |
| 1982 | 5 | 0 |
| 1983 | 13 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 8 |
| 2003 | 2 | 2 |
| 2004 | 2 | 9 |
| 2005 | 4 | 9 |
| 2006 | 8 | 7 |
| 2007 | 3 | 6 |
| 2008 | 6 | 4 |
| 2009 | 5 | 0 |
| 2010 | 4 | 1 |
| 2011 | 1 | 6 |
| 2012 | 2 | 3 |
| 2013 | 4 | 5 |
| 2014 | 6 | 2 |
| 2015 | 4 | 2 |
| 2016 | 3 | 4 |
| 2017 | 3 | 4 |
| 2018 | 1 | 3 |
| 2019 | 4 | 4 |
| 2020 | 4 | 15 |
| 2021 | 11 | 3 |
| 2022 | 3 | 5 |
| 2023 | 5 | 2 |
| 2024 | 3 | 3 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Slide gate valve, operating method and use23 Jun 2026US 12,663,086 B2Z & J Technologies GmbH
- Systems and methods for single piece integrated seat10 Dec 2024US 12,163,598 B2TapcoEnrpo, LLC
- Systems for treating a surface of a coke plant sole flue13 Aug 2024US 12,060,525 B2Suncoke Technology and Development LLC
- Slide valve and use of a slide valve5 Mar 2024US 11,920,692 B2Z & J Technologies GmbH
- Compact and maintainable waste reformation apparatus7 Nov 2023US 11,806,684 B2Raven SR, Inc.
- Device and method for sealing coke oven door13 Aug 2026US 2026/0234473 A1Posco
- Slide gate valve, operating method and use17 Oct 2024US 2024/0344613 A1Z & J Technologies GmbH
- Coke oven door sealing device, coke oven chamber and coke oven battery21 Mar 2024US 2024/0093092 A1Paul Wurth S. A.
- Compact and maintainable waste reformation apparatus11 Jan 2024US 2024/0009643 A1Raven SR, Inc.
- Coke oven door sealing unit, coke oven chamber and coke oven battery14 Dec 2023US 2023/0399568 A1Paul Wurth S. A.
Most cited
By later US patents
- Coke oven door construction108US 4,086,231 A1978
- Extraction of charge gases from coke ovens107US 4,100,033 A1978
- Coking oven103US 3,957,591 AHartung, Kuhn & Co. Maschinenfabrik GmbH · 1976
- Door-removal device99US 4,225,393 AGewerkschaft Schalker Eisenhutte · 1980
- Coke oven door with multi-latch sealing system98US 5,670,025 ASaturn Machine & Welding Co., Inc. · 1997