G01F 1/7088
Using electrically charged particles as tracers
Official title: using electrically charged particles as tracers
G01F1/7088 (Using electrically charged particles as tracers) appears on 73 US grants and 64 published applications in this corpus.
Search patents in G01F- Granted patents
- 73
- Published applications
- 64
- Assignees
- 50
- Inventors
- 122
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 4 |
| 2006 | 1 | 3 |
| 2007 | 4 | 3 |
| 2008 | 4 | 5 |
| 2009 | 3 | 1 |
| 2010 | 1 | 19 |
| 2011 | 7 | 1 |
| 2012 | 2 | 1 |
| 2013 | 2 | 3 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 4 |
| 2017 | 2 | 6 |
| 2018 | 3 | 0 |
| 2019 | 3 | 1 |
| 2020 | 4 | 3 |
| 2021 | 1 | 3 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for measuring multiphase fluid flows and related methods1 Oct 2024US 12,104,936 B2Schlumberger Technology Corporation
- Supply tube assembly for monitoring a directed stream measuring the liquid of an agricultural product application rate through a supply tube29 Aug 2023US 11,740,111 B2Amvac Chemical Corporation
- Estimates of flow velocity with controlled spatio-temporal variations in contrast media properties7 Feb 2023US 11,573,108 B2ExxonMobil Technology and Engineering Company
- Flow sensor apparatus for monitoring a directed stream of an agricultural product25 Jan 2022US 11,231,305 B2Amvac Chemical Corporation
- Flow sensor based on electrical capacity16 Mar 2021US 10,948,323 B2Amvac Chemical Corporation
- Microfluidic electrochemical device for measuring a volume flow rate20 Nov 2025US 2025/0354844 A1Noptrack
- Sensor and techniques to synchronize seed placement with application of liquid agricultural product30 Nov 2023US 2023/0384132 A1Amvac Chemical Corporation
- Supply tube assembly for monitoring a directed stream measuring the liquid of an agricultural product application rate through a supply tube12 May 2022US 2022/0142066 A1Amvac Chemical Corporation
- Apparatus for measuring multiphase fluid flows and related methods2 Sep 2021US 2021/0270647 A1Schlumberger Technology Corporation
- Flow sensor apparatus for monitoring a directed stream of an agricultural product1 Jul 2021US 2021/0199481 A1Amvac Chemical Corporation
Most cited
By later US patents
- Non-invasive fluid flow sensing based on injected heat tracers and indirect temperature monitoring107US 6,386,050 B1Agilent Technologies, Inc. · 2002
- Altered fluid conductivity monitor85US 5,570,026 ACobe Laboratories, Inc. · 1996
- Differential conductivity hemodynamic monitor63US 5,644,240 ACobe Laboratories, Inc. · 1997
- Device and method employing shape memory alloy61US 7,951,114 B2Abbott Diabetes Care Inc. · 2011
- Differential conductivity recirculation monitor52US 5,510,716 ACobe Laboratories, Inc. · 1996