F05D 2250/50
Inlet or outlet
F05D2250/50 (Inlet or outlet) appears on 1,605 US grants and 1,735 published applications in this corpus.
Search patents in F05D- Granted patents
- 1,605
- Published applications
- 1,735
- Assignees
- 597
- Inventors
- 3,448
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 14 | 0 |
| 1984 | 8 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 14 | 0 |
| 1989 | 17 | 0 |
| 1990 | 14 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 8 | 0 |
| 1994 | 11 | 0 |
| 1995 | 7 | 0 |
| 1996 | 13 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 15 | 0 |
| 2000 | 16 | 0 |
| 2001 | 13 | 5 |
| 2002 | 14 | 17 |
| 2003 | 20 | 9 |
| 2004 | 13 | 28 |
| 2005 | 9 | 33 |
| 2006 | 18 | 24 |
| 2007 | 15 | 36 |
| 2008 | 17 | 35 |
| 2009 | 27 | 28 |
| 2010 | 17 | 49 |
| 2011 | 22 | 30 |
| 2012 | 37 | 57 |
| 2013 | 42 | 65 |
| 2014 | 35 | 80 |
| 2015 | 44 | 78 |
| 2016 | 42 | 117 |
| 2017 | 81 | 93 |
| 2018 | 73 | 132 |
| 2019 | 119 | 128 |
| 2020 | 127 | 162 |
| 2021 | 126 | 138 |
| 2022 | 139 | 97 |
| 2023 | 118 | 109 |
| 2024 | 110 | 91 |
| 2025 | 68 | 56 |
| 2026 | 29 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Non-occluding intravascular blood pump providing reduced hemolysis15 Sep 2026US 12,736,054 B2Procyrion, Inc.
- Variable geometry diffuser having extended travel and control method thereof25 Aug 2026US 12,716,427 B2Tyco Fire & Security GmbH
- Axial pump and riser18 Aug 2026US 12,710,044 B2Molten Metal Equipment Innovations, LLC
- Pump unit for a centrifugal pump and a centrifugal pump18 Aug 2026US 12,710,049 B2Levitronix LLC
- Flow grid and ambient air purification device4 Aug 2026US 12,697,572 B2MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd.
- Airfoil for a turbine engine27 Aug 2026US 2026/0251067 A1General Electric Company
- Multistage Centrifugal Compressor27 Aug 2026US 2026/0251146 A1Hitachi Industrial Products, Ltd.
- Gas turbine engine20 Aug 2026US 2026/0243199 A1General Electric Company
- Magnetic bearing hub and vacuum pump20 Aug 2026US 2026/0243264 A1
- Neck fan20 Aug 2026US 2026/0243273 A1Shenzhen Jisu Technology Co., Ltd
Most cited
By later US patents
- Expandable impeller pump391US 7,393,181 B2Datascope Investment Corp. · 2008
- Expandable impeller pump296US 7,927,068 B2The Penn State Research Foundation · 2011
- System for reducing noise in a hydraulic fracturing fleet263US 9,587,649 B2U.S. Well Services, LLC · 2017
- Counter rotating aircraft gas turbine engine with high overall pressure ratio compressor248US 6,732,502 B2General Electric Company · 2004
- Expandable impeller pump197US 8,376,707 B2The Penn State Research Foundation · 2013