F04D 17/125
The casing being vertically split
Official title: {the casing being vertically split}
F04D17/125 (The casing being vertically split) appears on 67 US grants and 61 published applications in this corpus.
Search patents in F04D- Granted patents
- 67
- Published applications
- 61
- Assignees
- 40
- Inventors
- 164
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 2 | 3 |
| 2015 | 0 | 9 |
| 2016 | 6 | 3 |
| 2017 | 7 | 2 |
| 2018 | 4 | 9 |
| 2019 | 4 | 2 |
| 2020 | 10 | 4 |
| 2021 | 1 | 8 |
| 2022 | 1 | 2 |
| 2023 | 7 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Turbo compressor and refrigeration cycle device having turbo compressor31 Mar 2026US 12,590,740 B2LG Electronics Inc.
- Compressor with curved passage10 Feb 2026US 12,546,323 B2
- Multi-stage electric centrifugal compressor9 Sep 2025US 12,410,802 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Integrated motor-compressor with a stand-alone motor and bundle9 Jul 2024US 12,031,545 B2Nuovo Pignone Tecnologie—S
- Centrifugal supercharger transmission case23 Jan 2024US 11,879,478 B2
- Split casing including a compliant element5 Mar 2026US 2026/0063129 A1
- Compressor with curved passage26 Dec 2024US 2024/0426303 A1IHI Corporation
- Multi-stage electric centrifugal compressor19 Oct 2023US 2023/0332607 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Turbo compressor and refrigeration cycle device having turbo compressor28 Sep 2023US 2023/0304706 A1LG Electronics Inc.
- Centrifugal supercharger transmission case17 Nov 2022US 2022/0364574 A1
Most cited
By later US patents
- Centrifugal compressor having a flexible coupling47US 7,144,226 B2Thermodyn · 2006
- Lubricating and oil seal system for a high speed compressor39US 3,976,165 ANorwalk-Turbo, Inc. · 1976
- Gas turbine driven high speed centrifugal compressor unit38US 4,057,371 ANorwalk-Turbo, Inc. · 1977
- Multiple stage blowers and volutes therefor35US 8,517,012 B2ResMed Limited · 2013
- Diffuser construction for a centrifugal compressor33US 4,579,509 ADresser Industries, Inc. · 1986