G01N 31/16
Investigating or analysing non-biological materials by the use of the chemical methods
Official title: using titration
G01N31/16 (Investigating or analysing non-biological materials by the use of the chemical methods) appears on 257 US grants and 195 published applications in this corpus.
Search patents in G01N- Granted patents
- 257
- Published applications
- 195
- Assignees
- 185
- Inventors
- 645
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 9 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 7 |
| 2003 | 5 | 5 |
| 2004 | 3 | 15 |
| 2005 | 5 | 9 |
| 2006 | 3 | 1 |
| 2007 | 2 | 4 |
| 2008 | 4 | 5 |
| 2009 | 4 | 7 |
| 2010 | 1 | 6 |
| 2011 | 7 | 8 |
| 2012 | 6 | 5 |
| 2013 | 5 | 11 |
| 2014 | 6 | 8 |
| 2015 | 10 | 7 |
| 2016 | 5 | 3 |
| 2017 | 4 | 6 |
| 2018 | 5 | 7 |
| 2019 | 4 | 14 |
| 2020 | 8 | 5 |
| 2021 | 3 | 11 |
| 2022 | 8 | 11 |
| 2023 | 6 | 6 |
| 2024 | 9 | 14 |
| 2025 | 6 | 10 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automated titration testing system25 Aug 2026US 12,716,877 B1
- Systems and methods of pH modeling and control28 Jul 2026US 12,693,277 B2Regeneron Pharmaceuticals, Inc.
- Monitoring system and monitoring method5 May 2026US 12,618,814 B2Mitsubishi Heavy Industries, Ltd.
- Test kit and detection method for isothiazolinones in textiles14 Apr 2026US 12,601,721 B2Shenzhen Customs Industrial Products Testing
- Water alkalinity detection system14 Apr 2026US 12,601,724 B2
- Chloride measurement with silver, 2,4,6-tripyridyl-s-triazine and iron (ii) titration1 Oct 2026US 2026/0298895 A1Hach Company
- Systems and methods of ph modeling and control1 Oct 2026US 2026/0298896 A1Regeneron Pharmaceuticals, Inc.
- Demulsifier screening and characterization using modified karl fischer reagent1 Oct 2026US 2026/0298897 A1Saudi Arabian Oil Company
- Method for quantitative analysis of loads inside and outside carbon nanotube24 Sep 2026US 2026/0287566 A1Jiangsu University
- Titration apparatus and method thereof2 Jul 2026US 2026/0185972 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Reagent for the quantitative determination of water95US 4,295,990 AJ. T. Baker Chemicals B.V. · 1981
- Automatic process titration system56US 4,018,565 AThe Foxboro Company · 1977
- Solid phase radioimmunoassay of digoxin52US 3,933,997 ACorning Glass Works · 1976
- Analytic appparatus and method41US 5,080,866 A1992
- Automatic total reducers monitoring and adjustment system using titration40US 5,104,527 AAshland Oil, Inc. · 1992