F04C 2220/10
Vacuum
F04C2220/10 (Vacuum) appears on 229 US grants and 314 published applications in this corpus.
Search patents in F04C- Granted patents
- 229
- Published applications
- 314
- Assignees
- 155
- Inventors
- 601
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 2 |
| 2002 | 5 | 4 |
| 2003 | 5 | 4 |
| 2004 | 4 | 12 |
| 2005 | 5 | 11 |
| 2006 | 4 | 21 |
| 2007 | 5 | 14 |
| 2008 | 5 | 23 |
| 2009 | 7 | 17 |
| 2010 | 5 | 14 |
| 2011 | 11 | 6 |
| 2012 | 6 | 12 |
| 2013 | 8 | 6 |
| 2014 | 7 | 8 |
| 2015 | 7 | 8 |
| 2016 | 5 | 6 |
| 2017 | 11 | 14 |
| 2018 | 9 | 15 |
| 2019 | 4 | 20 |
| 2020 | 13 | 16 |
| 2021 | 13 | 20 |
| 2022 | 13 | 13 |
| 2023 | 16 | 19 |
| 2024 | 13 | 9 |
| 2025 | 12 | 7 |
| 2026 | 3 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vacuum pump assembly with improved process by-product holding capacity1 Sep 2026US 12,723,588 B2Beijing Grand Hitek. Co., Ltd.
- Pump and method of manufacturing a sealing30 Jun 2026US 12,669,124 B2Pfeiffer Vacuum Technology AG
- Multifunctional vacuum pump3 Feb 2026US 12,540,619 B2Jinhua Weike Industrial & Trading Co., Ltd
- Air compressor having vacuum and associated methods for loading and extracting materials30 Dec 2025US 12,510,077 B2Industrial Vacuum Transfer Services USA, LLC
- Floating-type oil-free vacuum scroll compressor23 Dec 2025US 12,504,013 B2Shenyang Canta Medical Tech. Co., Ltd.
- Scroll vacuum pump and scroll vacuum pump system1 Oct 2026US 2026/0298241 A1Pfeiffer Vacuum Technology AG
- Vacuum pump17 Sep 2026US 2026/0275984 A1
- Vacuum pump20 Aug 2026US 2026/0243257 A1Pfeiffer Vacuum GmbH
- Scroll pump6 Aug 2026US 2026/0226895 A1Edwards Limited
- Pump and method of manufacturing a sealing23 Jul 2026US 2026/0210357 A1Pfeiffer Vacuum Technology AG
Most cited
By later US patents
- Two stage screw type vacuum pump with motor in-between the stages140US 5,846,062 AEbara Corporation · 1998
- Method for controlling fluid flow through a compressed fluid system41US 6,123,510 AIngersoll-Rand Company · 2000
- Evacuating apparatus40US 5,709,537 AMatsushita Electric Industrial Co., Ltd. · 1998
- Partition means for directing air flow over a cooler in an oilless scroll compressor22US 6,210,132 B1Hitachi, Ltd. · 2001
- Tandem pump assembly20US 4,586,468 AGeneral Motors Corporation · 1986