F04B 37/14
To obtain high vacuum
Official title: to obtain high vacuum
F04B37/14 (To obtain high vacuum) appears on 313 US grants and 365 published applications in this corpus.
Search patents in F04B- Granted patents
- 313
- Published applications
- 365
- Assignees
- 223
- Inventors
- 718
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 3 |
| 2003 | 5 | 6 |
| 2004 | 4 | 5 |
| 2005 | 3 | 7 |
| 2006 | 3 | 9 |
| 2007 | 1 | 10 |
| 2008 | 3 | 5 |
| 2009 | 3 | 5 |
| 2010 | 5 | 10 |
| 2011 | 3 | 7 |
| 2012 | 6 | 8 |
| 2013 | 4 | 20 |
| 2014 | 9 | 16 |
| 2015 | 5 | 18 |
| 2016 | 8 | 19 |
| 2017 | 22 | 19 |
| 2018 | 12 | 21 |
| 2019 | 13 | 22 |
| 2020 | 22 | 33 |
| 2021 | 15 | 22 |
| 2022 | 32 | 23 |
| 2023 | 23 | 23 |
| 2024 | 21 | 16 |
| 2025 | 19 | 16 |
| 2026 | 13 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hybrid gettering diffusion pump8 Sep 2026US 12,729,670 B2Helion Energy, Inc.
- NEG-coated permanent magnet8 Sep 2026US 12,731,707 B2Saes Getters S. P. A.
- Vacuum pump and valve system for use with vacuum-retention system11 Aug 2026US 12,703,556 B2Gstc LLC
- Cryopump, cryopump system, and cryopump regeneration method28 Jul 2026US 12,692,851 B2Sumitomo Heavy Industries, Ltd.
- Cryopump14 Jul 2026US 12,680,538 B2Sumitomo Heavy Industries, Ltd.
- Cryopump8 Oct 2026US 2026/0309140 A1Sumitomo Heavy Industries, Ltd.
- Vacuum pump1 Oct 2026US 2026/0299394 A1Pfeiffer Vacuum GmbH
- Vacuum control system for sap flow optimization, and method of controlling pressure within a conduit network of a sap collection system13 Aug 2026US 2026/0231874 A1Les éQuipements Lapierre Inc.
- Pump delivery tool and delivery method for vacuum pump using the same13 Aug 2026US 2026/0235119 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Connector for a vacuum pumping system30 Jul 2026US 2026/0218695 A1Edwards Limited
Most cited
By later US patents
- Valve having opposed curved sealing surfaces on a valve member and a valve seat to facilitate effective sealing160US 10,094,366 B2National Oilwell Varco, L. P. · 2018
- Volumetric vacuum control70US 6,256,968 B1Tilia International, Inc. · 2001
- Vacuum pump control device and vacuum device54US 7,731,484 B2Ricoh Company, Ltd. · 2010
- Controlled by-pass for a booster pump51US 4,850,806 AThe BOC Group, Inc. · 1989
- Resonating device for a pneumatic surgical instrument36US 6,935,459 B2Stryker Instruments · 2005