F04B 37/02
Pumps having pertinent characteristics not provided for in, or of interest apart
Official title: for evacuating by absorption or adsorption
F04B37/02 (Pumps having pertinent characteristics not provided for in, or of interest apart) appears on 146 US grants and 109 published applications in this corpus.
Search patents in F04B- Granted patents
- 146
- Published applications
- 109
- Assignees
- 97
- Inventors
- 276
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 3 | 3 |
| 2004 | 2 | 3 |
| 2005 | 4 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 3 |
| 2008 | 3 | 2 |
| 2009 | 2 | 2 |
| 2010 | 3 | 2 |
| 2011 | 0 | 4 |
| 2012 | 2 | 3 |
| 2013 | 2 | 10 |
| 2014 | 1 | 5 |
| 2015 | 2 | 7 |
| 2016 | 6 | 3 |
| 2017 | 10 | 3 |
| 2018 | 4 | 8 |
| 2019 | 2 | 8 |
| 2020 | 5 | 9 |
| 2021 | 7 | 3 |
| 2022 | 7 | 6 |
| 2023 | 7 | 8 |
| 2024 | 6 | 4 |
| 2025 | 2 | 5 |
| 2026 | 7 | 3 |
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.
- Cryopump, cryopump system, and cryopump regeneration method28 Jul 2026US 12,692,851 B2Sumitomo Heavy Industries, Ltd.
- Vibration damping and resonance reduction for ion pump23 Jun 2026US 12,665,177 B2ASML Netherlands B. V.
- Snap-on getter pump assembly and its use31 Mar 2026US 12,590,577 B2Saes Getters S. P. A.
- Modular getters and getters with different materials in vacuum enclosures31 Mar 2026US 12,592,354 B2Varex Imaging Corporation
- High-performance getter pump30 Apr 2026US 2026/0117758 A1Saes Getters S. P. A.
- High capacity hydrogen getter assemblies12 Feb 2026US 2026/0043396 A1
- Auxiliary vacuum pumps combination system8 Jan 2026US 2026/0009378 A1Saes Getters S. P. A.
- Gas compression system and method for recovering hydrogen2 Oct 2025US 2025/0305493 A1Burckhardt Compression AG
- Snap-on getter pump assembly and its use21 Aug 2025US 2025/0264093 A1Saes Getters S. P. A.
Most cited
By later US patents
- Method for adsorbing and storing hydrogen at cryogenic temperatures90US 4,580,404 AAir Products and Chemicals, Inc. · 1986
- Hydrogen compressor53US 4,402,187 AMPD Technology Corporation · 1983
- Modular getter pumps41US 4,137,012 ASaes Getters S. P. A. · 1979
- Flywheel system with parallel pumping arrangement41US 6,347,925 B1Beacon Power Corporation · 2002
- Means for periodic desorption of a cryopump37US 4,438,632 AHelix Technology Corporation · 1984