F04D 15/0094
Indicators of rotational movement
Official title: {Indicators of rotational movement}
F04D15/0094 (Indicators of rotational movement) appears on 54 US grants and 62 published applications in this corpus.
Search patents in F04D- Granted patents
- 54
- Published applications
- 62
- Assignees
- 56
- Inventors
- 153
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 4 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 2 | 5 |
| 2014 | 2 | 4 |
| 2015 | 0 | 4 |
| 2016 | 2 | 10 |
| 2017 | 6 | 0 |
| 2018 | 2 | 2 |
| 2019 | 8 | 4 |
| 2020 | 4 | 5 |
| 2021 | 5 | 5 |
| 2022 | 4 | 2 |
| 2023 | 5 | 3 |
| 2024 | 3 | 2 |
| 2025 | 1 | 4 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pump system18 Aug 2026US 12,709,404 B2Airbus Operations GmbH
- Multistage pumping system for adaptive offloading of a liquid from a container23 Jun 2026US 12,663,009 B2Flowserve Pte. Ltd.
- System and method for pump control based on pump vibrations27 Jan 2026US 12,535,086 B2S.P.M. Instrument AB
- Pump with combined electrical contact11 Mar 2025US 12,247,569 B2Modine Manufacturing Company
- Systems and methods for restarting downhole pump16 Jul 2024US 12,037,880 B2Halliburton Energy Services.Inc.
- Systems for and methods of backspin analysis for pumps23 Jul 2026US 2026/0210232 A1Sensia Netherlands B.V.
- Mechanical reverse rotation prevention device for canned motor pump14 May 2026US 2026/0132826 A1Hyosung Goodsprings, Inc.
- Electric pump5 Feb 2026US 2026/0036126 A1Zhejiang Sanhua Automotive Components Co., Ltd.
- Multistage pumping system for adaptive offloading of a liquid from a container14 Aug 2025US 2025/0257731 A1Flowserve Pte. Ltd.
- Pump with combined electrical contact5 Jun 2025US 2025/0180029 A1Modine Manufacturing Company
Most cited
By later US patents
- Impeller position compensation using field oriented control75US 9,371,826 B2Thoratec Corporation · 2016
- Brushless DC pump with enclosed circuit board63US 4,998,865 AAisan Kogyo Kabushiki Kaisha · 1991
- Automatic pumping system commissioning19US 10,900,489 B2Schlumberger Technology Corporation · 2021
- Monitoring system for detecting axial and radial movement of a rotating body independent of rotational position18US 5,696,444 ACrane Co. · 1997
- Impeller position compensation using field oriented control17US 9,709,061 B2Tc1 LLC · 2017