F04B 2203/0403
Magnetic flux
F04B2203/0403 (Magnetic flux) appears on 13 US grants and 12 published applications in this corpus.
Search patents in F04B- Granted patents
- 13
- Published applications
- 12
- Assignees
- 9
- Inventors
- 31
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and system for reducing noise and for positioning of piston in a compressor during motor startup30 Sep 2025US 12,429,043 B2Nidec Global Appliance Brasil Ltda.
- Linear compressor9 Apr 2024US 11,952,989 B2LG Electronics Inc.
- Operating method and actuation device for a piston pump27 Apr 2021US 10,989,186 B2Robert Bosch GmbH
- Refrigeration system including micro compressor-expander thermal units3 Dec 2019US 10,495,352 B2Emerald Energy NW, LLC
- Pulse controlled linear actuator29 Aug 2017US 9,746,004 B2
- Method and system for reducing noise and for positioning of piston in a compressor motor19 Jan 2023US 2023/0020185 A1Nidec Global Appliance Brasil Ltda.
- Linear compressor3 Mar 2022US 2022/0065238 A1LG Electronics Inc.
- Linear motor, cooling equipment compressor, cooling equipment and stator applicable in a linear motor14 May 2020US 2020/0149783 A1Embraco Industria de Compressores e Solucoes em Refrigeracao Ltda.
- Operating method and actuation device for a piston pump25 Jan 2018US 2018/0023557 A1Robert Bosch GmbH
- Refrigeration system including micro compressor-expander thermal units16 Nov 2017US 2017/0328603 A1Emerald Energy NW, LLC
Most cited
By later US patents
- Electromagnetically driven reciprocating pump with fluted piston31US 5,509,792 APumpworks, Inc. · 1996
- Pump control system26US 5,904,126 AOrbital Engine Company (Australia) Pty. Limited · 1999
- End of stroke detection for electromagnetic pump6US 8,007,247 B2Medtronic, Inc. · 2011
- Refrigeration system including micro compressor-expander thermal units3US 9,746,211 B2Emerald Energy NW, LLC · 2017
- Refrigeration system including micro compressor-expander thermal units2US 10,495,352 B2Emerald Energy NW, LLC · 2019