F01D 5/048
Form or construction
Official title: {Form or construction}
F01D5/048 (Form or construction) appears on 312 US grants and 321 published applications in this corpus.
Search patents in F01D- Granted patents
- 312
- Published applications
- 321
- Assignees
- 156
- Inventors
- 740
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 5 |
| 2004 | 5 | 12 |
| 2005 | 8 | 8 |
| 2006 | 7 | 7 |
| 2007 | 3 | 6 |
| 2008 | 1 | 6 |
| 2009 | 3 | 6 |
| 2010 | 2 | 6 |
| 2011 | 3 | 13 |
| 2012 | 7 | 12 |
| 2013 | 10 | 14 |
| 2014 | 6 | 7 |
| 2015 | 11 | 18 |
| 2016 | 5 | 18 |
| 2017 | 12 | 31 |
| 2018 | 17 | 15 |
| 2019 | 20 | 30 |
| 2020 | 21 | 28 |
| 2021 | 24 | 15 |
| 2022 | 18 | 13 |
| 2023 | 24 | 17 |
| 2024 | 13 | 10 |
| 2025 | 14 | 13 |
| 2026 | 9 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aircraft gas turbine engine impeller with a trailing edge that is non-linear or angled or irregularly-shaped25 Aug 2026US 12,716,424 B2Pratt & Whitney Canada Corp.
- Radial turbine assembly with ceramic matrix composite airfoils having circumferential dovetail retention16 Jun 2026US 12,655,770 B2Rolls-Royce North American Technologies Inc.
- Center tie rotor seal26 May 2026US 12,637,953 B1Rtx Corporation
- Radial expander14 Apr 2026US 12,601,264 B2Everllence SE
- Aircraft engine impeller with exducer shroud forward sweep31 Mar 2026US 12,590,590 B2Pratt & Whitney Canada Corp.
- Radial turbine wheel, radial turbine, and turbocharger3 Sep 2026US 2026/0258728 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Centrifugal compressor impeller and method of producing the same6 Aug 2026US 2026/0226911 A1Pratt & Whitney Canada Corp.
- Hollow multi chambered radial wheel for a charging system9 Jul 2026US 2026/0194068 A1Accelleron Switzerland Ltd.
- Hybrid shroud impeller25 Jun 2026US 2026/0177077 A1Rtx Corporation
- Turbine engine system7 May 2026US 2026/0125981 A1Heleng Inc.
Most cited
By later US patents
- Single rotor turbine engine75US 6,430,917 B1The Regents of the University of California · 2002
- Thrust controlled rotary apparatus66US 4,170,435 A1979
- Dual-use radial turbomachine60US 7,281,379 B2UTC Power Corporation · 2007
- Impeller for radial flow devices57US 5,730,582 AEssex Turbine Ltd. · 1998
- Stress resistant hybrid radial turbine wheel47US 4,335,997 AGeneral Motors Corporation · 1982