G01N 2021/1746
Method using tracers
Official title: {Method using tracers}
G01N2021/1746 (Method using tracers) appears on 21 US grants and 24 published applications in this corpus.
Search patents in G01N- Granted patents
- 21
- Published applications
- 24
- Assignees
- 24
- Inventors
- 63
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 1 | 3 |
| 2022 | 2 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 3 |
| 2025 | 2 | 4 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Devices, systems, and methods for agrochemical detection and agrochemical compositions30 Sep 2025US 12,429,417 B2Spogen Biotech Inc.
- Device, systems, and methods of applying a treatment solution to a treatment site13 May 2025US 12,296,128 B2Octet Medical, Inc.
- Measurement system for micro-mixing and measurement method thereof31 Dec 2024US 12,181,417 B2Institute of Process Engineering, Chinese Academy of Sciences
- Devices, systems, and methods for agrochemical detection and agrochemical compositions13 Feb 2024US 11,898,955 B2Spogen Biotech Inc.
- Device, systems, and methods of applying a treatment solution to a treatment site12 Dec 2023US 11,839,732 B2Octet Medical, Inc.
- Device, systems, and methods of applying a treatment solution to a treatment site11 Jun 2026US 2026/0158249 A1Octet Medical, Inc.
- Protective Outdoor and Indoor Advanced Particle Ray Tracing and Duplication in Real and Virtual Environments Provisional Patent Application9 Apr 2026US 2026/0098800 A1Forward Entertainment & Technology, LLC
- System and method for automated page turning using vision transformers and edge device video streaming26 Mar 2026US 2026/0086629 A1Forward Entertainment & Technology, LLC
- Apparatus and method for rapid testing of time dependent tracer performance for use in fractured gas wells11 Dec 2025US 2025/0377290 A1Aramco Services Company
- Building and Outdoor Environment Advanced Particle Ray Tracing and Duplication in Real and Virtual Environments Non-Provisional Patent Application27 Nov 2025US 2025/0363720 A1Forward Entertainment & Technology, LLC
Most cited
By later US patents
- Method of measuring lung vascular function and transcapillary transport by the use of nonradioactive markers50US 4,874,949 AVanderbilt University · 1989
- Method for determining fuel and engine oil comsumption using tunable diode laser spectroscopy50US 4,990,780 AGeneral Motors Corporation · 1991
- Method and apparatus for measuring stable isotopes39US 4,684,805 AGeneral Motors Corporation · 1987
- Fluorimetric coat weight measurement31US 3,956,630 AWestvaco Corporation · 1976
- Monitoring and in-system concentration control of polyelectrolytes using fluorochromatic dyes29US 5,389,548 ANalco Chemical Company · 1995