G01F 1/58
By electromagnetic flowmeters
Official title: by electromagnetic flowmeters
G01F1/58 (By electromagnetic flowmeters) appears on 1,104 US grants and 862 published applications in this corpus.
Search patents in G01F- Granted patents
- 1,104
- Published applications
- 862
- Assignees
- 337
- Inventors
- 1,472
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 12 | 0 |
| 1978 | 12 | 0 |
| 1979 | 14 | 0 |
| 1980 | 14 | 0 |
| 1981 | 19 | 0 |
| 1982 | 14 | 0 |
| 1983 | 13 | 0 |
| 1984 | 11 | 0 |
| 1985 | 13 | 0 |
| 1986 | 12 | 0 |
| 1987 | 19 | 0 |
| 1988 | 25 | 0 |
| 1989 | 5 | 0 |
| 1990 | 18 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 12 | 0 |
| 1994 | 19 | 0 |
| 1995 | 23 | 0 |
| 1996 | 13 | 0 |
| 1997 | 12 | 0 |
| 1998 | 18 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 3 |
| 2002 | 8 | 12 |
| 2003 | 21 | 16 |
| 2004 | 19 | 15 |
| 2005 | 19 | 20 |
| 2006 | 17 | 27 |
| 2007 | 23 | 32 |
| 2008 | 21 | 27 |
| 2009 | 23 | 36 |
| 2010 | 22 | 35 |
| 2011 | 36 | 17 |
| 2012 | 18 | 23 |
| 2013 | 21 | 26 |
| 2014 | 16 | 38 |
| 2015 | 40 | 54 |
| 2016 | 45 | 54 |
| 2017 | 42 | 46 |
| 2018 | 28 | 45 |
| 2019 | 57 | 44 |
| 2020 | 50 | 51 |
| 2021 | 41 | 46 |
| 2022 | 44 | 42 |
| 2023 | 31 | 42 |
| 2024 | 44 | 46 |
| 2025 | 35 | 27 |
| 2026 | 33 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automation field device29 Sep 2026US 12,747,969 B2Endress + Hauser Flowtec AG
- Automation field device29 Sep 2026US 12,747,970 B2Endress + Hauser Flowtec AG
- 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
- System for measuring of a concentration parameter of a flow of a solid/liquid mixture22 Sep 2026US 12,742,714 B2IHC Holland IE B.V.
- Methods of measuring hematocrit in fluidic channels including conductivity sensor1 Oct 2026US 2026/0295580 A1
- Electromagnetic flowmeter with diagnostics1 Oct 2026US 2026/0298678 A1
- Ultrasonic electromagnetic sensor for multiphase cut measurements and associated methods1 Oct 2026US 2026/0298858 A1PERM Inc.
- Electromagnetic flow sensor24 Sep 2026US 2026/0287405 A1
- Flowmeter and product family of flowmeters24 Sep 2026US 2026/0287406 A1Endress + Hauser Flowtec AG
Most cited
By later US patents
- Electromagnetic flow meter270US 5,325,728 AMedtronic, Inc. · 1994
- In line electromagnetic flow measurement transducer98US 4,195,515 A1980
- Blood flow detection device97US 4,881,413 ABio-Medicus, Inc. · 1989
- Catheter fluid-velocity flow probe85US 4,175,566 AMillar Instruments, Inc. · 1979
- Electromagnetic flowmeter having low power consumption77US 6,237,424 B1ABB Metering Limited · 2001