F05D 2220/40
In turbochargers
Official title: in turbochargers
F05D2220/40 (In turbochargers) appears on 2,771 US grants and 3,187 published applications in this corpus.
Search patents in F05D- Granted patents
- 2,771
- Published applications
- 3,187
- Assignees
- 506
- Inventors
- 4,254
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 13 | 0 |
| 1989 | 9 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 11 | 0 |
| 1993 | 8 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 14 | 0 |
| 2000 | 10 | 0 |
| 2001 | 18 | 8 |
| 2002 | 26 | 26 |
| 2003 | 27 | 29 |
| 2004 | 28 | 56 |
| 2005 | 33 | 53 |
| 2006 | 48 | 55 |
| 2007 | 27 | 70 |
| 2008 | 35 | 68 |
| 2009 | 36 | 99 |
| 2010 | 37 | 128 |
| 2011 | 53 | 136 |
| 2012 | 89 | 110 |
| 2013 | 99 | 147 |
| 2014 | 101 | 163 |
| 2015 | 109 | 261 |
| 2016 | 108 | 241 |
| 2017 | 216 | 187 |
| 2018 | 229 | 242 |
| 2019 | 248 | 252 |
| 2020 | 246 | 250 |
| 2021 | 232 | 171 |
| 2022 | 198 | 126 |
| 2023 | 148 | 129 |
| 2024 | 124 | 85 |
| 2025 | 80 | 61 |
| 2026 | 30 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Turbocharger29 Sep 2026US 12,747,674 B2IHI Corporation
- Turbocharger29 Sep 2026US 12,747,689 B2
- Airfoil bearing arrangement and method for making the same15 Sep 2026US 12,736,585 B2Garrett Transportation I Inc.
- Turbine housing, turbine, and turbocharger25 Aug 2026US 12,716,369 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- System and methods for stabilization of DC bus voltage in a hybrid-electric aircraft18 Aug 2026US 12,710,009 B2VerdeGo Aero, Inc.
- Entryway system including a divided volute turbocharger8 Oct 2026US 2026/0309073 A1BorgWarner Inc.
- Abrasive flow machining process for a meridionally divided turbine housing, and a masking fixture used in said process1 Oct 2026US 2026/0295774 A1Garrett Transportation I Inc.
- Rotor for a turbomachine, turbomachine, and method for balancing a rotor of a turbomachine1 Oct 2026US 2026/0298094 A1Accelleron Switzerland Ltd.
- Radial turbine wheel, radial turbine, and turbocharger3 Sep 2026US 2026/0258728 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Double scroll turbine and turbocharger20 Aug 2026US 2026/0243171 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
Most cited
By later US patents
- Motor-driven centrifugal air compressor with internal cooling airflow134US 6,102,672 ATurbodyne Systems, Inc. · 2000
- Face seal assembly118US 6,325,380 B1Feodor Burgmann Dichtungswerke GmbH & Co. · 2001
- Method of operating an engine assembly114US 10,590,867 B2Pratt & Whitney Canada Corp. · 2020
- Turbocharging system with integral assisting electric motor and cooling system therefor107US 5,605,045 ATurbodyne Systems, Inc. · 1997
- Transcritical turbine and method of operation107US 6,644,062 B1Energent Corporation · 2003