H01J 49/0495
Vacuum locks
Official title: {Vacuum locks; Valves (valves per se F16K)}
H01J49/0495 (Vacuum locks) appears on 155 US grants and 153 published applications in this corpus.
Search patents in H01J- Granted patents
- 155
- Published applications
- 153
- Assignees
- 98
- Inventors
- 336
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 3 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 3 |
| 2009 | 2 | 1 |
| 2010 | 4 | 2 |
| 2011 | 0 | 4 |
| 2012 | 1 | 2 |
| 2013 | 2 | 5 |
| 2014 | 6 | 8 |
| 2015 | 11 | 9 |
| 2016 | 7 | 11 |
| 2017 | 12 | 10 |
| 2018 | 6 | 9 |
| 2019 | 12 | 12 |
| 2020 | 7 | 15 |
| 2021 | 21 | 14 |
| 2022 | 8 | 9 |
| 2023 | 8 | 10 |
| 2024 | 11 | 11 |
| 2025 | 5 | 8 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for recovering organic contaminants from semiconducting wafers29 Sep 2026US 12,749,667 B2Elemental Scientific, Inc.
- Vacuum chamber assembly with multiple functions to maximize universality and performance22 Sep 2026US 12,744,196 B2Mstm, LLC
- Pressure-stabilized dual inlet gas mass spectrometry9 Jun 2026US 12,651,736 B2The Regents at the University of California
- Mass spectrometry device, and mass spectrometry method21 Apr 2026US 12,607,600 B2Osaka University
- System and method of matrix accelerated vacuum-assisted sorbent extraction for improved sample preparation prior to GCMS analysis24 Feb 2026US 12,560,581 B2Entech Instruments Inc.
- Atmospheric purge system and method for laser ablation sample processing18 Jun 2026US 2026/0171381 A1
- System and method for analyzing carbon isotopes of carbon dioxide in inclusions21 May 2026US 2026/0140097 A1Beijing Urban Construction Exploration & Surveying Design Research Institute Co., Ltd
- Analytical instrument inlet30 Apr 2026US 2026/0121008 A1Thermo Fisher Scientific (Bremen) GmbH
- Lock for introducing and discharging a sample receiving element into a mass spectrometer2 Apr 2026US 2026/0092838 A1Bruker Daltonics, Inc.
- Module installation tools and associated methods27 Nov 2025US 2025/0360603 A1Thermo Finnigan LLC
Most cited
By later US patents
- Mass spectrometer system and method for matrix-assisted laser desorption measurements153US 5,498,545 A1996
- Discontinuous atmospheric pressure interface114US 8,304,718 B2Purdue Research Foundation · 2012
- Sample supply device67US 4,213,326 AThe Upjohn Company · 1980
- Real-time monitoring of volatile organic compounds using chemical ionization mass spectrometry57US 5,962,774 ASandia Corporation · 1999
- Vacuum housing system for MALDI-TOF mass spectrometry51US 7,564,028 B2Virgin Instruments Corporation · 2009