G01N 27/42
Measuring deposition or liberation of materials from an electrolyte
Official title: Measuring deposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte
G01N27/42 (Measuring deposition or liberation of materials from an electrolyte) appears on 314 US grants and 209 published applications in this corpus.
Search patents in G01N- Granted patents
- 314
- Published applications
- 209
- Assignees
- 247
- Inventors
- 800
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 11 | 0 |
| 1979 | 5 | 0 |
| 1980 | 12 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 11 | 0 |
| 1995 | 12 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 4 |
| 2003 | 3 | 10 |
| 2004 | 13 | 8 |
| 2005 | 2 | 13 |
| 2006 | 2 | 5 |
| 2007 | 5 | 5 |
| 2008 | 4 | 6 |
| 2009 | 1 | 5 |
| 2010 | 3 | 5 |
| 2011 | 4 | 7 |
| 2012 | 4 | 9 |
| 2013 | 5 | 6 |
| 2014 | 8 | 3 |
| 2015 | 4 | 7 |
| 2016 | 3 | 9 |
| 2017 | 5 | 10 |
| 2018 | 11 | 21 |
| 2019 | 10 | 14 |
| 2020 | 12 | 14 |
| 2021 | 10 | 7 |
| 2022 | 7 | 11 |
| 2023 | 6 | 9 |
| 2024 | 4 | 9 |
| 2025 | 10 | 2 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Non-reagent chloride analysis in acid copper plating baths7 Jul 2026US 12,674,775 B2KLA Corporation
- Reagentless dissolution and quantification of particulate analyte in a sample via membrane electrolysis16 Jun 2026US 12,656,303 B2University of Cincinnati
- Electrochemical analysis of metallic depolarizers in gold electrodeposition17 Mar 2026US 12,578,302 B2ECI Technology, Inc.
- Electrochemical cell stirring17 Mar 2026US 12,578,303 B2Hach Company
- Sensing device and sensing method3 Feb 2026US 12,540,918 B2National Tsing Hua University
- Method, system and kit for detecting perfluoroalkyl and polyfluoroalkyl (pfas) compounds24 Sep 2026US 2026/0287570 A1The United States of America as represented by the Secretary of the Navy
- Microscale electrochemistry on a plate for rapid evaluation of electrochemical systems27 Aug 2026US 2026/0251612 A1Wisconsin Alumni Research Foundation
- Method and system for real-time detection and quantification of per- and polyfluoroalkyl substances27 Aug 2026US 2026/0251614 A1Texas Tech University System
- Apparatus and method for determining coulombic efficiency of lithium metal battery20 Aug 2026US 2026/0243725 A1Hyundai Motor Company
- Method for evaluating hydrogen generation reaction23 Jul 2026US 2026/0210906 A1NTT, Inc.
Most cited
By later US patents
- Electrochemical gas sensor434US 5,217,595 AThe Yellow Springs Instrument Company, Inc. · 1993
- Electrochemical detector system425US 4,059,406 AE D T Supplies Limited · 1977
- Remote electrochemical sensor354US 5,676,820 ANew Mexico State University Technology Transfer Corporation · 1997
- Transmission antenna array system with predistortion207US 6,697,436 B1PMC-Sierra, Inc. · 2004
- Electrochemical reactions146US 5,840,171 AUnilever Patent Holdings B.V. · 1998