G01N
Investigating or analysing materials by determining their chemical or physical properties
Official title: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q)
G01N (Investigating or analysing materials by determining their chemical or physical properties) appears on 254,101 US grants and 295,977 published applications in this corpus.
Search patents in G01N- Granted patents
- 254,101
- Published applications
- 295,977
- Assignees
- 59,889
- Inventors
- 452,361
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1534 | 0 |
| 1977 | 1380 | 0 |
| 1978 | 1337 | 0 |
| 1979 | 1096 | 0 |
| 1980 | 1432 | 0 |
| 1981 | 1650 | 0 |
| 1982 | 1360 | 0 |
| 1983 | 1177 | 0 |
| 1984 | 1544 | 0 |
| 1985 | 1600 | 0 |
| 1986 | 1695 | 0 |
| 1987 | 2079 | 0 |
| 1988 | 1894 | 0 |
| 1989 | 2541 | 0 |
| 1990 | 2249 | 0 |
| 1991 | 2406 | 0 |
| 1992 | 2649 | 0 |
| 1993 | 2630 | 0 |
| 1994 | 2753 | 0 |
| 1995 | 2771 | 0 |
| 1996 | 2888 | 0 |
| 1997 | 3071 | 0 |
| 1998 | 4166 | 0 |
| 1999 | 3970 | 0 |
| 2000 | 3831 | 0 |
| 2001 | 4171 | 1404 |
| 2002 | 4374 | 6179 |
| 2003 | 4689 | 9386 |
| 2004 | 4379 | 8879 |
| 2005 | 3999 | 9260 |
| 2006 | 4946 | 9361 |
| 2007 | 5066 | 9069 |
| 2008 | 5138 | 9342 |
| 2009 | 5019 | 10253 |
| 2010 | 6403 | 11112 |
| 2011 | 6426 | 10521 |
| 2012 | 6846 | 10480 |
| 2013 | 7532 | 11729 |
| 2014 | 8252 | 13301 |
| 2015 | 8859 | 13677 |
| 2016 | 9360 | 13636 |
| 2017 | 10242 | 13729 |
| 2018 | 10372 | 14174 |
| 2019 | 11762 | 15057 |
| 2020 | 11901 | 15357 |
| 2021 | 10776 | 15241 |
| 2022 | 10382 | 14981 |
| 2023 | 9843 | 13883 |
| 2024 | 10268 | 14297 |
| 2025 | 10271 | 12284 |
| 2026 | 7122 | 9385 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- G01N 33/00Investigating or analysing materials by specific methods not covered by groups g01n1/00106,570
- G01N 21/00Investigating or analysing materials by the use of optical means, i.e. using64,160
- G01N 27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic32,697
- G01N 2333/00Assays involving biological materials from specific organisms or of a specific natureIndexing code21,291
- G01N 1/00Sampling20,106
- G01N 35/00Automatic analysis not limited to methods or materials provided for in any15,752
- G01N 15/00Investigating characteristics of particles14,871
- G01N 2800/00Detection or diagnosis of diseasesIndexing code14,486
All 50 main groupsShow fewer
- G01N 29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic12,552
- G01N 2201/00Features of devices classified in g01n21/00Indexing code12,264
- G01N 30/00Investigating or analysing materials by separation into components using adsorption, absorption or11,483
- G01N 23/00Investigating or analysing materials by the use of wave or particle radiation10,996
- G01N 2291/00Indexing codes associated with group g01n29/00Indexing code10,339
- G01N 2500/00Screening for compounds of potential therapeutic valueIndexing code7,225
- G01N 3/00Investigating strength properties of solid materials by application of mechanical stress6,170
- G01N 2223/00Investigating materials by wave or particle radiationIndexing code5,610
- G01N 2203/00Investigating strength properties of solid materials by application of mechanical stressIndexing code4,797
- G01N 25/00Investigating or analyzing materials by the use of thermal means4,303
- G01N 31/00Investigating or analysing non-biological materials by the use of the chemical methods3,698
- G01N 11/00Investigating flow properties of materials2,682
- G01N 17/00Investigating resistance of materials to the weather, to corrosion, or to light2,192
- G01N 9/00Investigating density or specific gravity of materials2,135
- G01N 24/00Investigating or analyzing materials by the use of nuclear magnetic resonance, electron2,108
- G01N 19/00Investigating materials by mechanical methods1,566
- G01N 22/00Investigating or analysing materials by the use of microwaves or radio waves1,561
- G01N 2469/00Immunoassays for the detection of microorganismsIndexing code1,332
- G01N 2400/00AssaysIndexing code1,206
- G01N 2458/00Labels used in chemical analysis of biological materialIndexing code1,090
- G01N 13/00Investigating surface or boundary effects940
- G01N 5/00Analysing materials by weighing768
- G01N 7/00Analysing materials by measuring the pressure or volume of a gas or633
- G01N 2560/00Chemical aspects of mass spectrometric analysis of biological materialIndexing code606
- G01N 2440/00Post-translational modifications [ptms] in chemical analysis of biological materialIndexing code555
- G01N 2510/00Detection of programmed cell death, i.e. apoptosisIndexing code434
- G01N 2570/00OmicsIndexing code427
- G01N 2405/00AssaysIndexing code409
- G01N 2496/00Reference solutions for assays of biological materialIndexing code379
- G01N 2474/00Immunochemical assays or immunoassays characterised by detection mode or means of detectionIndexing code294
- G01N 37/00Details not covered by any other group of this subclass227
- G01N 2446/00Magnetic particle immunoreagent carriersIndexing code217
- G01N 2430/00AssaysIndexing code122
- G01N 2600/00Assays involving molecular imprinted polymers/polymers created around a molecular templateIndexing code121
- G01N 2610/00Assays involving self-assembled monolayers [sams]Indexing code110
- G01N 2410/00AssaysIndexing code89
- G01N 2470/00Immunochemical assays or immunoassays characterised by the reaction format or reaction typeIndexing code67
- G01N 2550/00Electrophoretic profilingIndexing code52
- G01N 2415/00AssaysIndexing code40
- G01N 2520/00Use of whole organisms as detectors of pollutionIndexing code31
- G01N 2407/00AssaysIndexing code18
- G01N 2650/00Assays involving polymers whose constituent monomers bore biological functional groups before polymerizationIndexing code17
Recent patents
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- Bale moisture measurement6 Oct 2026US 12,751,375 B2Deere & Company
- Cleaning system and cleaning method6 Oct 2026US 12,751,590 B2Pixart Imaging Inc.
- Time-of-flight measurement on user with cameras and position sensor6 Oct 2026US 12,751,628 B2Omni Medsci, Inc.
- Transgenic model of human cardiomyopathy8 Oct 2026US 2026/0305586 A1Stichting Genetische Hartspierziekte PLN
- An organ container, an impedance meter for the organ container, and a method for defining a deterioration state of an organ8 Oct 2026US 2026/0305604 A1Tampere University Foundation sr
- Waste tape recovery device8 Oct 2026US 2026/0305894 A1Fuji Corporation
- Systems and methods for personalized breath based glycemic monitoring and projected a1c trend estimation8 Oct 2026US 2026/0305975 A1PreEvnt, LLC
- Training support information providing device8 Oct 2026US 2026/0305998 A1Aisin Corporation
Most cited
By later US patents
- Alternative current pathways for bipolar surgical cutting tool2,970US 5,531,744 AEthicon Endo-Surgery, Inc. · 1996
- Method of fabricating thin film sensors2,095US 5,391,250 AMiniMed Inc. · 1995
- Diabetes management system and method for controlling blood glucose2,049US 5,822,715 AHealth Hero Network, Inc. · 1998
- Diabetes management system and method for controlling blood glucose2,024US 6,379,301 B1Health Hero Network, Inc. · 2002
- Large scale photolithographic solid phase synthesis of polypeptides and receptor binding screening thereof1,998US 5,143,854 AAffymax Technologies N.V. · 1992