G01N 1/4044
By chemical techniques
Official title: {by chemical techniques; Digestion; Chemical decomposition}
G01N1/4044 (By chemical techniques) appears on 231 US grants and 371 published applications in this corpus.
Search patents in G01N- Granted patents
- 231
- Published applications
- 371
- Assignees
- 274
- Inventors
- 974
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 2 |
| 2004 | 2 | 8 |
| 2005 | 2 | 4 |
| 2006 | 0 | 3 |
| 2007 | 2 | 7 |
| 2008 | 3 | 5 |
| 2009 | 2 | 7 |
| 2010 | 3 | 6 |
| 2011 | 5 | 18 |
| 2012 | 3 | 8 |
| 2013 | 7 | 10 |
| 2014 | 9 | 10 |
| 2015 | 10 | 10 |
| 2016 | 6 | 14 |
| 2017 | 16 | 18 |
| 2018 | 10 | 17 |
| 2019 | 11 | 25 |
| 2020 | 13 | 31 |
| 2021 | 18 | 31 |
| 2022 | 19 | 34 |
| 2023 | 19 | 20 |
| 2024 | 21 | 29 |
| 2025 | 23 | 28 |
| 2026 | 12 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for determining an immune activation state6 Oct 2026US 12,752,274 B2CytoVale Inc.
- Cell lysis systems and methods21 Jul 2026US 12,687,470 B2Shaheen Innovations Holding Limited
- Method of quantifying microplastic mass5 May 2026US 12,618,823 B2The Education University of Hong Kong
- Labelling method to distinguish isobaric amino acids and amino acid combinations28 Apr 2026US 12,613,247 B2Rapid Novor Inc.
- Oxide dispersion-strengthened iron-based alloy powder and characterization method thereof21 Apr 2026US 12,606,891 B2Central South University
- Method for particle size analysis of bed material sediment and related device8 Oct 2026US 2026/0309609 A1China Three Gorges University
- A multi-stage apparatus for automated sample preparation and online peptide mapping analysis1 Oct 2026US 2026/0298782 A1Hoffmann-La Roche Inc.
- Rapid glycan sample preparation methods, system and kits1 Oct 2026US 2026/0298914 A1
- Purification apparatus and method of controlling purification apparatus10 Sep 2026US 2026/0266702 A1Shimadzu Corporation
- Method for Simultaneously Enriching Intrinsically Disordered Proteins and Associated Three-Dimensional Genomic Structures Thereof10 Sep 2026US 2026/0266835 A1Academy of Military Medical Sciences
Most cited
By later US patents
- Methods, apparatus, articles of manufacture, and user interfaces for performing automated biological assay preparation and macromolecule purification141US 6,326,147 B1The Perkin-Elmer Corporation · 2001
- Liquid tissue preparation from histopathologically processed biological samples, tissues and cells56US 7,473,532 B2Expression Pathology, Inc. · 2009
- Method and apparatus for the quantitative measurement of the corrosivity effect of residues present on the surface of electronic circuit assemblies32US 5,783,938 AContamination Studies Laboratories, Inc. · 1998
- Biological specimen heating device and quality control method for immunohistochemistry heat retrieval procedures32US 6,580,056 B1Biocare Medical, LLC · 2003
- Method for sorting and separating living cells25US 7,354,733 B2Cellect Technologies Corp. · 2008