G01N 2021/775
Indicator and selective membrane
Official title: {Indicator and selective membrane}
G01N2021/775 (Indicator and selective membrane) appears on 74 US grants and 91 published applications in this corpus.
Search patents in G01N- Granted patents
- 74
- Published applications
- 91
- Assignees
- 66
- Inventors
- 231
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 8 |
| 2014 | 2 | 3 |
| 2015 | 3 | 5 |
| 2016 | 2 | 2 |
| 2017 | 4 | 10 |
| 2018 | 5 | 9 |
| 2019 | 10 | 7 |
| 2020 | 9 | 7 |
| 2021 | 3 | 5 |
| 2022 | 6 | 5 |
| 2023 | 4 | 5 |
| 2024 | 2 | 4 |
| 2025 | 3 | 6 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Analyte sensor component2 Jun 2026US 12,642,462 B2SciLogica Corp.
- Devices, systems, and methods for continuous real time blood culture measurement17 Feb 2026US 12,553,020 B2Becton, Dickinson and Company
- Fluorine-doped carbon dot (CD)-modified enrichment chromogenic membrane and use thereof in detection of three perfluorinated compounds (PFCs)30 Dec 2025US 12,510,488 B2Tiangong University
- Systems and methods for device-independent color measurements for colorimetric sensing4 Nov 2025US 12,461,038 B2Mozarc Medical US LLC
- Membrane enhanced sensors25 Mar 2025US 12,259,352 B2University of Cincinnati
- Bubble-resistant fluoropolymer-free sensor membrane, sensor spot containing the sensor membrane, sensor cap containing the sensor spot, and sensor containing the sensor cap18 Jun 2026US 2026/0168932 A1Endress+Hauser Conducta GmbH+Co. KG
- System and method to retard h2s reaction with a target sensing element21 May 2026US 2026/0140045 A1Halliburton Energy Services.Inc.
- Systems and methods for device-independent color measurement for colorimetric sensing22 Jan 2026US 2026/0023024 A1Mozarc Medical US LLC
- Point-of-Care Device for the Determination of Creatine Phosphokinase (CPK) in Biological Samples16 Oct 2025US 2025/0320540 A1In Vitro Diagnostic Solutions
- Fluorine-doped carbon dot (cd)-modified enrichment chromogenic membrane and use thereof in detection of three perfluorinated compounds (pfcs)11 Sep 2025US 2025/0283830 A1Tiangong University
Most cited
By later US patents
- Cuvette for sampling and analysis560US 4,654,197 AAktiebolaget Leo · 1987
- Sensors for continuous monitoring of biochemicals and related method529US 6,256,522 B1University of Pittsburgh—Of the Commonwealth System of Higher Education · 2001
- Fiber optic chemical sensors incorporating electrostatic coupling109US 5,096,671 ACordis Corporation · 1992
- Optical fiber sensors for continuous monitoring of biochemicals and related method48US 5,143,066 AUniversity of Pittsburgh · 1992
- Sensor system42US 4,833,091 AShiley Incorporated · 1989