F04B 2203/0201
Current
F04B2203/0201 (Current) appears on 241 US grants and 273 published applications in this corpus.
Search patents in F04B- Granted patents
- 241
- Published applications
- 273
- Assignees
- 189
- Inventors
- 662
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 4 |
| 2003 | 4 | 4 |
| 2004 | 4 | 8 |
| 2005 | 3 | 3 |
| 2006 | 5 | 5 |
| 2007 | 2 | 4 |
| 2008 | 3 | 6 |
| 2009 | 2 | 7 |
| 2010 | 2 | 8 |
| 2011 | 2 | 7 |
| 2012 | 3 | 7 |
| 2013 | 8 | 11 |
| 2014 | 9 | 10 |
| 2015 | 11 | 15 |
| 2016 | 9 | 18 |
| 2017 | 13 | 17 |
| 2018 | 13 | 18 |
| 2019 | 17 | 14 |
| 2020 | 12 | 12 |
| 2021 | 12 | 22 |
| 2022 | 15 | 14 |
| 2023 | 14 | 23 |
| 2024 | 19 | 15 |
| 2025 | 16 | 11 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compressor6 Oct 2026US 12,753,751 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Motor power optimization for downhole motors22 Sep 2026US 12,742,450 B2Schlumberger Technology Corporation
- Electric compressor7 Jul 2026US 12,674,463 B2Sanden Corporation
- Piston positioning processes of a reciprocating compressor21 Apr 2026US 12,607,177 B2Nidec Global Appliance Brasil Ltda.
- Detection and extraction of NAPL contaminates14 Apr 2026US 12,601,344 B2NAPL Solutions, LLC
- Electric cylinder device20 Aug 2026US 2026/0243240 A1Advics Co., Ltd.
- Gas Compressor20 Aug 2026US 2026/0243261 A1Hitachi Industrial Equipment Systems Co., Ltd.
- Controlled stop of an electric hydraulic fracking pump23 Jul 2026US 2026/0210349 A1Halliburton Energy Services.Inc.
- Machine learning-based anomaly detection and alert system for oil pumps30 Apr 2026US 2026/0116402 A1Atieva, Inc.
- Electric pump and control device16 Apr 2026US 2026/0104043 A1Nidec Powertrain Systems Corporation
Most cited
By later US patents
- System and method for power management of pumping system174US 9,638,194 B2General Electric Company · 2017
- Electronic control for a rotary fluid device171US 10,100,827 B2Eaton Intelligent Power Limited · 2018
- Method of and control for monitoring and controlling an electric motor for driving a pump170US 10,018,096 B2Maxon Motor AG · 2018
- Electric pump169US 9,401,670 B2Aisin Seiki Kabushiki Kaisha · 2016
- Pump control responsive to voltage-current phase angle138US 5,362,206 AAutomation Associates, Inc. · 1994