G01P 3/487
Delivered by rotating magnets
Official title: delivered by rotating magnets
G01P3/487 (Delivered by rotating magnets) appears on 1,024 US grants and 950 published applications in this corpus.
Search patents in G01P- Granted patents
- 1,024
- Published applications
- 950
- Assignees
- 489
- Inventors
- 1,980
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 9 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 16 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 25 | 0 |
| 1997 | 15 | 0 |
| 1998 | 24 | 0 |
| 1999 | 20 | 0 |
| 2000 | 28 | 0 |
| 2001 | 28 | 9 |
| 2002 | 29 | 19 |
| 2003 | 20 | 33 |
| 2004 | 21 | 43 |
| 2005 | 24 | 44 |
| 2006 | 25 | 40 |
| 2007 | 28 | 38 |
| 2008 | 32 | 55 |
| 2009 | 20 | 49 |
| 2010 | 16 | 44 |
| 2011 | 37 | 25 |
| 2012 | 27 | 26 |
| 2013 | 20 | 25 |
| 2014 | 23 | 31 |
| 2015 | 29 | 37 |
| 2016 | 29 | 42 |
| 2017 | 29 | 32 |
| 2018 | 28 | 40 |
| 2019 | 44 | 55 |
| 2020 | 42 | 54 |
| 2021 | 46 | 45 |
| 2022 | 48 | 60 |
| 2023 | 44 | 32 |
| 2024 | 40 | 35 |
| 2025 | 36 | 24 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic sensor device25 Aug 2026US 12,716,751 B2Hirose Electric Co., Ltd.
- Encoder, servo motor, and servo system25 Aug 2026US 12,716,755 B2Kabushiki Kaisha Yaskawa Denki
- System for compensating for an output latency in a speed sensor7 Jul 2026US 12,674,813 B2Allegro MicroSystems, LLC
- Differential drive system16 Jun 2026US 12,654,528 B2
- Tunnel magnetoresistive multi-turn sensor16 Jun 2026US 12,656,422 B2Analog Devices International Unlimited Company
- Rotation speed detection apparatus, rotation speed detection system, rotation speed calculation apparatus, and rotation speed detection method27 Aug 2026US 2026/0254323 A1Asahi Kasei Microdevices Corporation
- Systems and methods for detecting an unbalanced load within a washing machine appliance20 Aug 2026US 2026/0242997 A1Haier US Appliance Solutions, Inc.
- Vehicle control system, vehicle control method, and non-transitory computer-readable storage medium16 Jul 2026US 2026/0200425 A1Honda Motor Co., Ltd.
- Position detector for a spatial geared stepping motor16 Jul 2026US 2026/0204987 A1
- Systems, methods, and structures for improving magnetic field sensor performance7 May 2026US 2026/0126305 A1Allegro MicroSystems, LLC
Most cited
By later US patents
- Speedometer for in-line skates150US 5,721,539 A1998
- Magnetically coded device145US 5,631,093 AGeneral Motors Corporation · 1997
- Methods and apparatus for magnetic article detection130US 7,362,094 B2Allegro MicroSystems, LLC · 2008
- Hall-effect ferrous-article-proximity sensor assembly123US 5,581,179 AAllegro MicroSystems, LLC · 1996
- Magnetic rotational position sensor with improved output linearity107US 5,444,369 AKearney-National, Inc. · 1995