G01F 1/586
Constructions of coils, magnetic circuits, accessories therefor
Official title: {constructions of coils, magnetic circuits, accessories therefor (G01F1/582 takes precedence; magnet; inductances; transformers; selection of materials for their magnetic properties per se H01F)}
G01F1/586 (Constructions of coils, magnetic circuits, accessories therefor) appears on 211 US grants and 188 published applications in this corpus.
Search patents in G01F- Granted patents
- 211
- Published applications
- 188
- Assignees
- 84
- Inventors
- 390
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 3 |
| 2003 | 5 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 3 |
| 2006 | 2 | 2 |
| 2007 | 5 | 5 |
| 2008 | 3 | 3 |
| 2009 | 5 | 2 |
| 2010 | 2 | 6 |
| 2011 | 8 | 3 |
| 2012 | 2 | 7 |
| 2013 | 2 | 2 |
| 2014 | 2 | 10 |
| 2015 | 10 | 14 |
| 2016 | 10 | 9 |
| 2017 | 10 | 16 |
| 2018 | 6 | 7 |
| 2019 | 11 | 12 |
| 2020 | 13 | 19 |
| 2021 | 12 | 15 |
| 2022 | 16 | 6 |
| 2023 | 3 | 12 |
| 2024 | 10 | 10 |
| 2025 | 10 | 5 |
| 2026 | 8 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flow rate detection for an aspirating smoke detection system29 Sep 2026US 12,747,971 B2Honeywell International Inc.
- Method and system for operating an electromagnetic flowmeter for improving measurements during flow distortion29 Sep 2026US 12,747,972 B2ABB Schweiz AG
- Apparatus for monitoring of the multiphase flow in a pipe18 Aug 2026US 12,710,298 B2Enercorp Engineered Solutions Inc.
- Coil arrangement for a flowmeter and method of manufacturing a coil arrangement23 Jun 2026US 12,665,122 B2Krohne AG
- Electromagnetic flowmeter with primary and secondary pairs of coils2 Jun 2026US 12,644,737 B2Siemens Aktiengesellschaft
- Electromagnetic flow sensor24 Sep 2026US 2026/0287405 A1
- Flowmeter and product family of flowmeters24 Sep 2026US 2026/0287406 A1Endress + Hauser Flowtec AG
- Device for providing an excitation current at a magnetic-inductive flowmeter, and magnetic-inductive flowmeter23 Jul 2026US 2026/0210743 A1Endress + Hauser Flowtec AG
- Magnetic-inductive flowmeter23 Jul 2026US 2026/0210744 A1Endress + Hauser Flowtec AG
- Sensor arrangement with integrated electronics2 Jul 2026US 2026/0185857 A1Volkswagen Aktiengesellschaft
Most cited
By later US patents
- Electromagnetic flowmeter having low power consumption77US 6,237,424 B1ABB Metering Limited · 2001
- Dual electromagnet partially disposable fluid flow transducer with side-by-side electrodes72US 5,417,119 A1995
- Magnetic flow meter68US 6,626,048 B1Sensus Technologies Inc. · 2003
- Electromagnetic flowmeter58US 5,880,376 AKabushiki Kaisha Toshiba · 1999
- Magnetic flow sensor40US 5,691,484 A1997