F04C 2230/603
Centering
Official title: Centering; Aligning
F04C2230/603 (Centering) appears on 130 US grants and 131 published applications in this corpus.
Search patents in F04C- Granted patents
- 130
- Published applications
- 131
- Assignees
- 95
- Inventors
- 325
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 6 | 6 |
| 2003 | 4 | 0 |
| 2004 | 2 | 0 |
| 2005 | 1 | 8 |
| 2006 | 1 | 6 |
| 2007 | 1 | 2 |
| 2008 | 2 | 2 |
| 2009 | 2 | 7 |
| 2010 | 4 | 6 |
| 2011 | 6 | 8 |
| 2012 | 7 | 8 |
| 2013 | 4 | 11 |
| 2014 | 8 | 7 |
| 2015 | 9 | 4 |
| 2016 | 6 | 6 |
| 2017 | 2 | 7 |
| 2018 | 7 | 4 |
| 2019 | 3 | 10 |
| 2020 | 5 | 7 |
| 2021 | 9 | 5 |
| 2022 | 9 | 6 |
| 2023 | 2 | 3 |
| 2024 | 4 | 3 |
| 2025 | 2 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pump having hollow rotor disposed in stator24 Feb 2026US 12,560,061 B2Schlumberger Technology Corporation
- Compressor and refrigeration device30 Dec 2025US 12,510,072 B2Guangdong Midea Environmental Technologies Co., Ltd.
- Electric compressor24 Jun 2025US 12,338,824 B2Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Adjustable scroll pump24 Dec 2024US 12,173,707 B2Edwards Limited
- Flexible spinning scroll coupling device15 Oct 2024US 12,116,998 B2Air Squared, Inc.
- Compliant bearing housing for compressor systems13 Aug 2026US 2026/0235123 A1
- Compressor including end cap having internal features and methods of assembling the same13 Aug 2026US 2026/0235124 A1
- Compressor including end cap having internal features and methods of assembling the same13 Aug 2026US 2026/0235125 A1
- Pump having hollow rotor disposed in stator13 Nov 2025US 2025/0347208 A1Schlumberger Technology Corporation
- Compressor and refrigeration apparatus22 May 2025US 2025/0163914 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Cylinder liner securing apparatus77US 5,572,920 AT. M. Kennedy & Company Limited · 1996
- Twin cylinder rotary compressor46US 5,542,831 ACarrier Corporation · 1996
- Pump assembly26US 5,725,362 AXolox Corporation · 1998
- Mounting base and scroll compressor incorporating same26US 8,142,175 B2Bitzer Scroll Inc. · 2012
- Method of aligning scroll compressor components25US 6,488,489 B2Scroll Technologies · 2002