F04D 29/622
Adjusting the clearances between rotary and stationary parts
Official title: {Adjusting the clearances between rotary and stationary parts}
F04D29/622 (Adjusting the clearances between rotary and stationary parts) appears on 130 US grants and 121 published applications in this corpus.
Search patents in F04D- Granted patents
- 130
- Published applications
- 121
- Assignees
- 101
- Inventors
- 251
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 4 | 2 |
| 2003 | 3 | 4 |
| 2004 | 2 | 0 |
| 2005 | 2 | 4 |
| 2006 | 1 | 3 |
| 2007 | 3 | 4 |
| 2008 | 2 | 2 |
| 2009 | 2 | 2 |
| 2010 | 1 | 2 |
| 2011 | 2 | 5 |
| 2012 | 3 | 4 |
| 2013 | 1 | 4 |
| 2014 | 3 | 10 |
| 2015 | 7 | 7 |
| 2016 | 1 | 5 |
| 2017 | 12 | 12 |
| 2018 | 5 | 7 |
| 2019 | 13 | 11 |
| 2020 | 9 | 11 |
| 2021 | 11 | 8 |
| 2022 | 9 | 2 |
| 2023 | 4 | 1 |
| 2024 | 5 | 4 |
| 2025 | 2 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for adjusting position of a compressor16 Jun 2026US 12,656,029 B2Tyco Fire & Security GmbH
- Suction liner and centrifugal pump comprising the same2 Jun 2026US 12,644,470 B2Metso Sweden AB
- Side channel compressor having a seal assembly14 Apr 2026US 12,601,359 B2Gardner Denver Deutschland GmbH
- Adjustable position impeller shroud for centrifugal compressors1 Jul 2025US 12,345,162 B2ROLLS-ROYCE plc
- Motor assembly and a cleaner comprising the same22 Apr 2025US 12,279,739 B2Samsung Electronics Co., Ltd.
- Side channel compressor having a seal assembly20 Aug 2026US 2026/0243268 A1
- Submersible Semi-Axial Centrifugal Pump11 Jun 2026US 2026/0160269 A1Xylem Europe GmbH
- Motorized compressor device with air bearing having reduced axial and radial stack-up27 Nov 2025US 2025/0361819 A1Garrett Transportation I Inc.
- Side channel compressor having a seal assembly30 Oct 2025US 2025/0334129 A1Gardner Denver Deutschland GmbH
- System and method for adjusting position of a compressor9 Oct 2025US 2025/0314405 A1Tyco Fire & Security GmbH
Most cited
By later US patents
- Impeller adjuster for centrifugal pump50US 4,439,096 AA. W. Chesterton Company · 1984
- Adjustable pump wear plate positioning assembly38US 6,599,086 B22003
- Centrifugal slurry pump32US 4,521,151 AJoy Manufacturing Holdings Limited · 1985
- Motor pump power end interconnect25US 5,344,291 AA. W. Chesterton Company · 1994
- Device for adjusting the running clearance of an impeller25US 5,971,704 AToyo Pumps North America Corp. · 1999