F27D 2001/1891
Doors for separating two chambers in the furnace
Official title: {Doors for separating two chambers in the furnace}
F27D2001/1891 (Doors for separating two chambers in the furnace) appears on 24 US grants and 10 published applications in this corpus.
Search patents in F27D- Granted patents
- 24
- Published applications
- 10
- Assignees
- 20
- Inventors
- 44
- Latest grant
- 10 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 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 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 3 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Furnace and method for treating material10 Sep 2024US 12,084,792 B2Onejoon GmbH
- Device for diversion of quenching waste gas and diversion method thereof6 Feb 2024US 11,892,237 B2Yanshan University
- Compound furnace26 Sep 2023US 11,766,718 B2Desktop Metal, Inc.
- Installation for the heat-treatment of parts15 Sep 2009US 7,588,719 B2LOI Thermprocess GmbH
- Fluidized bed gas distributor system for elevated temperature operation31 Jan 2006US 6,991,767 B1Procedyne Corp.
- Heat treatment system and atmosphere substitution structure of heat treatment furnace26 Dec 2024US 2024/0426554 A1NGK Insulators, Ltd.
- Compound Furnace30 Nov 2023US 2023/0381859 A1Desktop Metal, Inc.
- Furnace and method for treating material22 Jul 2021US 2021/0222331 A1Onejoon GmbH
- Device for diversion of quenching waste gas and diversion method thereof8 Jul 2021US 2021/0207889 A1Yanshan University
- Compound Furnace18 Mar 2021US 2021/0078075 A1Desktop Metal, Inc.
Most cited
By later US patents
- Method and tunnel type furnace for calcining carbonaceous bodies, in particular electrodes14US 4,674,975 AAlusuisse Italia S.p.A. · 1987
- Walking beam type reheating furnace13US 4,741,695 AChugai Ro Co., Ltd. · 1988
- Walking beam type reheating furnace10US 4,820,150 AChugai Ro Co., Ltd. · 1989
- Industrial oven with expandable surfaces9US 5,259,758 AWisconsin Oven Corporation · 1993
- Furnace for the heat treatment of drills8US 4,441,698 A1984