G01N 2021/1748
Comparative step being essential in the method
Official title: {Comparative step being essential in the method}
G01N2021/1748 (Comparative step being essential in the method) appears on 116 US grants and 98 published applications in this corpus.
Search patents in G01N- Granted patents
- 116
- Published applications
- 98
- Assignees
- 112
- Inventors
- 292
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 4 |
| 2006 | 3 | 2 |
| 2007 | 2 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 2 | 3 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 3 | 3 |
| 2016 | 3 | 5 |
| 2017 | 1 | 10 |
| 2018 | 7 | 5 |
| 2019 | 8 | 13 |
| 2020 | 9 | 10 |
| 2021 | 11 | 5 |
| 2022 | 3 | 4 |
| 2023 | 3 | 5 |
| 2024 | 3 | 5 |
| 2025 | 5 | 9 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Measuring arrangements and methods for the detection of trace gases in a sample gas25 Aug 2026US 12,716,836 B2Endress+Hauser Group Services AG
- Cone penetrometer and method for detecting multi-pollutants based on time domain reflectometry and laser induced fluorescence6 Jan 2026US 12,517,105 B2Zhejiang University
- Measuring device for measuring at least one measurand of a medium25 Nov 2025US 12,480,885 B2Endress+Hauser Conducta GmbH+Co. KG
- Reduced false positive identification for spectroscopic quantification25 Nov 2025US 12,481,726 B2Viavi Solutions Inc.
- Method for remote detection of gaseous substances in the atmosphere by the DIAL system with two lasers and a remote detector19 Aug 2025US 12,392,716 B2Sec Technologies, S.R.O.
- Monitoring of growth of microorganisms17 Sep 2026US 2026/0275265 A1CarbGeM Inc.
- Method and system for improving the accuracy of satellite remote sensing inversion by integrating hyperspectral proximal sensing23 Jul 2026US 2026/0210846 A1Nanjing Institute of Geography & Limnology. Chinese Academy of Sciences
- Rapid deamidation screening7 May 2026US 2026/0126375 A1Protein Dynamic Solutions, Inc.
- Optical System for Optical Examination of a Test Sample23 Apr 2026US 2026/0110628 A13M Innovative Properties Company
- Hiding power evaluation method25 Dec 2025US 2025/0389669 A1Toyo Aluminium Kabushiki Kaisha
Most cited
By later US patents
- Integrated optical directional-coupling refractometer apparatus136US 5,173,747 ABattelle Memorial Institute · 1992
- Method and apparatus for spectroscopic measurement of the concentration of a gas104US 5,173,749 AAltoptronic AB · 1992
- Method for determining absolute reflectance of a material in the ultraviolet range70US 5,045,704 ANanometrics Incorporated · 1991
- Optical 3-d signature device for detecting chemical agents61US 4,650,329 AThe United States of America as represented by the Secretary of the Navy · 1987
- Authentication system, data device, and methods for using the same56US 7,175,086 B2General Electric Company · 2007