F04B 53/002
By encapsulation
Official title: {by encapsulation}
F04B53/002 (By encapsulation) appears on 33 US grants and 47 published applications in this corpus.
Search patents in F04B- Granted patents
- 33
- Published applications
- 47
- Assignees
- 44
- Inventors
- 132
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 5 |
| 2011 | 0 | 3 |
| 2012 | 3 | 3 |
| 2013 | 1 | 1 |
| 2014 | 4 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 2 | 4 |
| 2018 | 0 | 1 |
| 2019 | 3 | 4 |
| 2020 | 0 | 5 |
| 2021 | 2 | 3 |
| 2022 | 3 | 5 |
| 2023 | 3 | 5 |
| 2024 | 5 | 2 |
| 2025 | 4 | 2 |
By publication year.
Recent patents
- Compressor frequency regulation method, control apparatus, heat exchange device and electronic device7 Oct 2025US 12,435,915 B2Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
- Pump noise attenuator and method thereof24 Jun 2025US 12,338,812 B2Leggett & Platt Canada Co.
- Fracturing equipment22 Apr 2025US 12,281,648 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Fracturing apparatus11 Mar 2025US 12,247,472 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Hydraulic pump system31 Dec 2024US 12,180,948 B2J. C. Bamford Excavators Limited
- Dual source motor pump12 Jun 2025US 2025/0188948 A1Quanxing Machining Group Co., Ltd
- Case, compressor and vehicle1 May 2025US 2025/0135846 A1BYD Company Limited
- A Booster Unit and a Reverse Osmosis Filtration System7 Nov 2024US 2024/0367110 A13M Innovative Properties Company
- Fracturing apparatus21 Mar 2024US 2024/0093585 A1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Compressor Frequency Regulation Method, Control Apparatus, Heat Exchange Device and Electronic Device28 Dec 2023US 2023/0417466 A1Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
Most cited
By later US patents
- Sound-damping housing for a pump and for a drive motor for said pump76US 8,727,068 B2B.B.A. Participaties B.V. · 2014
- Fracturing equipment69US 11,592,020 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2023
- Absorptive/reactive muffler for variable speed compressors24US 6,799,657 B2Carrier Corporation · 2004
- Vibration reducing device for pump cover body of water shut-off diaphragm pump14US 8,845,309 B22014
- Damper device, high pressure pump having the same and manufacturing method of the same8US 8,317,501 B2Denso Corporation · 2012