F27D 2019/0084
Controlling closure systems
Official title: {Controlling closure systems, e.g. doors}
F27D2019/0084 (Controlling closure systems) appears on 20 US grants and 15 published applications in this corpus.
Search patents in F27D- Granted patents
- 20
- Published applications
- 15
- Assignees
- 18
- Inventors
- 49
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 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 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 4 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Substrate treating apparatus and substrate treating method18 Feb 2025US 12,230,516 B2Semes Co., Ltd.
- Safety locking mechanism for a multi-pane door assembly of an oven appliance8 Oct 2024US 12,111,107 B2Haier US Appliance Solutions, Inc.
- Melt furnace header gate system5 Dec 2023US 11,835,295 B2Gpre IP, LLC
- Sound-based diagnostics for a combustion air inducer23 May 2023US 11,655,993 B2Lennox Industries Inc.
- Production apparatus and method for electric arc furnace steelmaking with fully continuous ultra-short process16 Nov 2021US 11,174,524 B1University of Science and Technology Beijing
- Vacuum Oven with Two Sided Door System16 Jan 2025US 2025/0020405 A1
- Mechatronic curtain for a process chamber for carrying out thermal processes in the manufacture of electronic assemblies26 Sep 2024US 2024/0318915 A1
- Sound-based diagnostics for a combustion air inducer1 Dec 2022US 2022/0381463 A1Lennox Industries Inc.
- Safety locking mechanism for a multi-pane door assembly of an oven appliance10 Nov 2022US 2022/0357106 A1Haier US Appliance Solutions, Inc.
- Substrate treating apparatus and substrate treating method5 May 2022US 2022/0139738 A1Semes Co., Ltd.
Most cited
By later US patents
- Gas chromatographic oven using symmetrical flow of preheated - premixed ambient air56US 4,420,679 ADelta Associates, Inc. · 1983
- Furnace of decreasing oxygen concentration to ultra low amount18US 5,044,944 AYamato Works Co., Ltd. · 1991
- Shrink oven14US 4,616,123 A1986
- Apparatus for sensing empty hoppers10US 4,445,628 AKoppers Company, Inc. · 1984
- Temperature distribution regulating sample holder-adapter for forming conditions for gradient heat treatment in heat treatment ovens or furnaces8US 4,609,343 A1986