F04B 2203/0202
Voltage
F04B2203/0202 (Voltage) appears on 161 US grants and 173 published applications in this corpus.
Search patents in F04B- Granted patents
- 161
- Published applications
- 173
- Assignees
- 132
- Inventors
- 399
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 4 |
| 2003 | 5 | 4 |
| 2004 | 4 | 5 |
| 2005 | 0 | 5 |
| 2006 | 3 | 3 |
| 2007 | 4 | 0 |
| 2008 | 2 | 3 |
| 2009 | 3 | 3 |
| 2010 | 0 | 5 |
| 2011 | 0 | 3 |
| 2012 | 2 | 2 |
| 2013 | 5 | 10 |
| 2014 | 1 | 9 |
| 2015 | 8 | 10 |
| 2016 | 10 | 6 |
| 2017 | 10 | 7 |
| 2018 | 3 | 8 |
| 2019 | 12 | 14 |
| 2020 | 7 | 9 |
| 2021 | 9 | 13 |
| 2022 | 15 | 9 |
| 2023 | 5 | 14 |
| 2024 | 12 | 10 |
| 2025 | 11 | 7 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for controlling pulse mode pumping in infusion systems29 Sep 2026US 12,746,326 B2Baxter Healthcare S. A.
- Motor power optimization for downhole motors22 Sep 2026US 12,742,450 B2Schlumberger Technology Corporation
- Refrigeration cycle device28 Jul 2026US 12,692,858 B2Panasonic Intellectual Property Management Co., Ltd.
- Electric compressor7 Jul 2026US 12,674,463 B2Sanden Corporation
- Signal distribution device for a fluid pump16 Jun 2026US 12,655,839 B2Caterpillar Inc.
- Ac motor control device and air conditioning device27 Aug 2026US 2026/0254387 A1Mitsubishi Electric Corporation
- Electro- Mechanical High-Pressure Oilfield Pumping System23 Jul 2026US 2026/0210227 A1Twin Disc, Incorporated
- Controlled stop of an electric hydraulic fracking pump23 Jul 2026US 2026/0210349 A1Halliburton Energy Services.Inc.
- Water pump dry-run detection method and system28 May 2026US 2026/0146612 A1Tsann Kuen (Zhangzhou) Enterprise Co., Ltd.
- Signal distribution device for a fluid pump14 May 2026US 2026/0132781 A1SPM Oil & Gas Inc.
Most cited
By later US patents
- Electronic control for a rotary fluid device171US 10,100,827 B2Eaton Intelligent Power Limited · 2018
- Electric pump169US 9,401,670 B2Aisin Seiki Kabushiki Kaisha · 2016
- System and method for operating a respirator compressor system under low voltage conditions166US 5,368,019 APuritan-Bennett Corporation · 1994
- Pump control responsive to voltage-current phase angle138US 5,362,206 AAutomation Associates, Inc. · 1994
- Control system for centrifugal pumps114US 7,117,120 B2Unico, Inc. · 2006