F04B 2203/0605
Rotational speed
F04B2203/0605 (Rotational speed) appears on 55 US grants and 39 published applications in this corpus.
Search patents in F04B- Granted patents
- 55
- Published applications
- 39
- Assignees
- 39
- Inventors
- 125
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 2 | 1 |
| 2009 | 1 | 2 |
| 2010 | 3 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 0 |
| 2016 | 2 | 1 |
| 2017 | 1 | 3 |
| 2018 | 3 | 4 |
| 2019 | 4 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 2 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 3 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Asphalt distributor with multispeed motor12 May 2026US 12,624,506 B2E. D. Etnyre & Co.
- System for managing pump load22 Jul 2025US 12,366,241 B2Caterpillar Inc.
- Pumping unit engine speed oscillation detection and mitigation14 Jan 2025US 12,196,196 B2Halliburton Energy Services.Inc.
- Hydraulic actuator with overpressure compensation18 Jun 2024US 12,012,947 B2Universite de Versailles Saint-Quentin-en-Yvelines
- Wellsite pumping systems and methods of operation21 May 2024US 11,988,204 B2Halliburton Energy Services.Inc.
- Hydraulic pump state monitoring device and hydraulic drive system10 Sep 2026US 2026/0266272 A1Hitachi Construction Machinery Co., Ltd.
- Parallel Pumping Controller with Load Sharing and Systems Including the Same22 Jan 2026US 2026/0022696 A1Cattron North America, Inc.
- System for managing pump load23 May 2024US 2024/0167470 A1Caterpillar Inc.
- Asphalt distributor with multispeed motor29 Feb 2024US 2024/0068176 A1E. D. Etnyre & Co.
- System for managing pump load19 Oct 2023US 2023/0332592 A1Caterpillar Inc.
Most cited
By later US patents
- Compressor control system and method82US 6,082,971 AIngersoll-Rand Company · 2000
- Common-rail fuel injection system for an engine52US 5,277,156 ANippondenso Co., Ltd. · 1994
- Apparatus for controlling hydrualic pump32US 4,904,161 AKabushiki Kaisha Komatsu Seisakusho · 1990
- Torque limiting control system for a hydraulic work machine30US 5,951,258 ACaterpillar Inc. · 1999
- Power management control system for a hydraulic work machine24US 5,967,756 ACaterpillar Inc. · 1999