F27D 2007/066
Vacuum
Official title: {Vacuum}
F27D2007/066 (Vacuum) appears on 74 US grants and 72 published applications in this corpus.
Search patents in F27D- Granted patents
- 74
- Published applications
- 72
- Assignees
- 85
- Inventors
- 249
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 5 |
| 2016 | 0 | 8 |
| 2017 | 4 | 9 |
| 2018 | 3 | 9 |
| 2019 | 6 | 4 |
| 2020 | 8 | 4 |
| 2021 | 1 | 2 |
| 2022 | 6 | 8 |
| 2023 | 5 | 6 |
| 2024 | 1 | 4 |
| 2025 | 5 | 4 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Internal data acquisition device for vacuum furnace11 Aug 2026US 12,704,417 B2Fluke Corporation
- Volume heat treatment method and related system4 Aug 2026US 12,698,541 B2Laser Engineering Applications
- Non-water cooled consumable electrode vacuum arc furnace for continuous process14 Jul 2026US 12,680,758 B2
- Vacuum oven17 Feb 2026US 12,553,665 B12422353 Ontario Limited
- Decarburization end point determination method, decarburization end point determination device, secondary refining operation method for steel making, and method for producing molten steel30 Dec 2025US 12,509,739 B2Jfe Steel Corporation
- Ovens for equipment such as die attach systems, flip chip bonding systems, clip attach systems, and related methods6 Aug 2026US 2026/0225171 A1Kulicke and Soffa Industries, Inc.
- Furnace tube and using method thereof14 May 2026US 2026/0132987 A1Swaysure Technology Co., Ltd.
- Low-cost high-purity vacuum pumps and systems12 Mar 2026US 2026/0071820 A1Desktop Metal, Inc.
- Systems, devices, and methods for purifying atmosphere in a vacuum furnace30 Oct 2025US 2025/0334333 A1Desktop Metal, Inc.
- Multi-scale test device for crystallization performance of high-temperature melts25 Sep 2025US 2025/0297806 A1Chongqing University
Most cited
By later US patents
- Low-gas temperature stabilization system44US 5,447,431 ABrooks Automation, Inc. · 1995
- Active hold-down for heat treating31US 4,721,462 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1988
- Low-gas temperature stabilization system19US 5,520,538 ABrooks Automation, Inc. · 1996
- Pressurized powder support for treating processes17US 5,160,677 AUnited States Surgical Corporation · 1992
- Workpiece support13US 5,183,402 AElectrotech Limited · 1993