F05D 2240/61
Hollow
F05D2240/61 (Hollow) appears on 225 US grants and 246 published applications in this corpus.
Search patents in F05D- Granted patents
- 225
- Published applications
- 246
- Assignees
- 133
- Inventors
- 573
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 4 |
| 2003 | 0 | 2 |
| 2004 | 4 | 3 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 6 |
| 2010 | 0 | 9 |
| 2011 | 3 | 2 |
| 2012 | 11 | 1 |
| 2013 | 2 | 8 |
| 2014 | 4 | 3 |
| 2015 | 4 | 7 |
| 2016 | 3 | 17 |
| 2017 | 2 | 15 |
| 2018 | 12 | 24 |
| 2019 | 21 | 20 |
| 2020 | 26 | 26 |
| 2021 | 21 | 22 |
| 2022 | 20 | 18 |
| 2023 | 26 | 20 |
| 2024 | 22 | 17 |
| 2025 | 14 | 8 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modularity of an aircraft turbomachine26 May 2026US 12,637,982 B2Safran Aircraft Engines
- Fluid pump including an impeller26 May 2026US 12,638,020 B1ITT Manufacturing Enterprises, Inc.
- Thrust ring frictional damper21 Apr 2026US 12,607,233 B2Hamilton Sundstrand Corporation
- Balance drums and systems for managing axial forces for pumps and related systems and methods24 Mar 2026US 12,584,488 B2Flowserve US Company
- Metal plated additively manufactured plastic shafts and their method of manufacturing10 Mar 2026US 12,571,421 B2Hamilton Sundstrand Corporation
- Balance drums and systems for managing axial forces for pumps and related systems and methods16 Jul 2026US 2026/0201891 A1
- Seal runner locking structure11 Jun 2026US 2026/0160174 A1Rtx Corporation
- Fluid pump including an impeller28 May 2026US 2026/0146622 A1ITT Manufacturing Enterprises, Inc.
- Bladeless fan lamp28 May 2026US 2026/0146628 A1Ningbo Goneo Electric Appliance Co., Ltd.
- Shaft assembly for a gas turbine engine7 May 2026US 2026/0125983 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Blood pump having rotor with internal bore for fluid flow121US 5,938,412 AAdvanced Bionics AG · 1999
- Pump motor having fluid cooling system93US 5,997,261 ASiemens Canada Limited · 1999
- Magnetically driven centrifugal pump82US 4,047,847 AIwaki Co., Ltd. · 1977
- Pump and motor unit with inducer at one end and centrifugal impeller at opposite end of the motor44US 3,975,117 A1976
- Centrifugal pump with an axial-field integral motor cooled by working fluid43US 6,012,909 AIngersoll-Dresser Pump Company · 2000