F04C 2240/401
Linear motor
F04C2240/401 (Linear motor) appears on 13 US grants and 9 published applications in this corpus.
Search patents in F04C- Granted patents
- 13
- Published applications
- 9
- Assignees
- 10
- Inventors
- 35
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pump with high torque drive23 Sep 2025US 12,421,965 B2Graco Minnesota Inc.
- Scroll compressor and method for operating the scroll compressor5 Nov 2024US 12,135,028 B2Robert Bosch GmbH
- Pump with high torque drive18 Oct 2022US 11,473,576 B2Graco Minnesota Inc.
- Pump with high torque drive7 Dec 2021US 11,193,486 B2Graco Minnesota Inc.
- Microsystems for compressing or for converting a pressure difference into a displacement1 Dec 2015US 9,200,624 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Scroll compressor and method for operating the scroll compressor4 Jul 2024US 2024/0218875 A1Robert Bosch GmbH
- Pump with high torque drive19 Jan 2023US 2023/0019323 A1Graco Minnesota Inc.
- Pump with high torque drive24 Feb 2022US 2022/0056909 A1Graco Minnesota Inc.
- Pump with high torque drive30 Sep 2021US 2021/0301819 A1Graco Minnesota Inc.
- Microsystems for compressing or for converting a pressure difference into a displacement3 Oct 2013US 2013/0259715 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
Most cited
By later US patents
- Piezoelectric powered scroll compressor49US 4,950,135 AHitachi, Ltd. · 1990
- Compressor driver33US 5,791,883 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1998
- Linear drive scroll compressor assemble16US 6,368,065 B1Scroll Technologies · 2002
- Scroll-type fluid handling machine14US 5,073,093 ADiesel Kiki Co., Ltd. · 1991
- Scroll pump with an electromagnetic drive mechanism10US 8,323,006 B2Edwards Limited · 2012