G01N 33/946
Cns-stimulants
Official title: {CNS-stimulants, e.g. cocaine, amphetamines}
G01N33/946 (Cns-stimulants) appears on 176 US grants and 158 published applications in this corpus.
Search patents in G01N- Granted patents
- 176
- Published applications
- 158
- Assignees
- 121
- Inventors
- 408
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 7 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 7 |
| 2003 | 4 | 10 |
| 2004 | 5 | 3 |
| 2005 | 1 | 11 |
| 2006 | 10 | 8 |
| 2007 | 4 | 5 |
| 2008 | 3 | 3 |
| 2009 | 7 | 5 |
| 2010 | 6 | 2 |
| 2011 | 2 | 6 |
| 2012 | 3 | 1 |
| 2013 | 1 | 4 |
| 2014 | 1 | 7 |
| 2015 | 5 | 13 |
| 2016 | 7 | 11 |
| 2017 | 9 | 2 |
| 2018 | 3 | 9 |
| 2019 | 4 | 8 |
| 2020 | 6 | 4 |
| 2021 | 3 | 5 |
| 2022 | 6 | 11 |
| 2023 | 6 | 7 |
| 2024 | 5 | 5 |
| 2025 | 5 | 5 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Detection apparatus for detecting analyte in a liquid sample and method thereof25 Aug 2026US 12,714,993 B2Hangzhou Biotest Biotech Co., LTD.
- Biological and/or biochemical and/or chemical sensor21 Apr 2026US 12,607,630 B21). Commissariat A L'energie Atomique Et Aux Energies Alternatives
- Homogeneous enzyme immunoassay for keratinized structures30 Sep 2025US 12,429,484 B2Psychemedics Corporation
- Homogeneous enzyme immunoassay for keratinized structures12 Aug 2025US 12,385,919 B2Psychemedics Corporation
- Point-of-collection graphene-based toxicology sensor29 Jul 2025US 12,372,541 B2Graphene-Dx, Inc.
- Reagent pen testing device and method27 Aug 2026US 2026/0251666 A1Probitas LLC
- Methods and systems for dopant-assisted spectrometry13 Aug 2026US 2026/0235552 A1Analytical Detection LLC
- Methods for detecting target compounds and uses thereof2 Jul 2026US 2026/0185988 A1
- Rapid Method of Forensic Toxicology in Post-Mortem Individuals Using Muscle Tissue Testing12 Mar 2026US 2026/0072046 A1
- Chemical sensors employing ph-sensitive aptamers1 Jan 2026US 2026/0002935 A1Ohio State Innovation Foundation
Most cited
By later US patents
- Double capture assay method employing a capillary flow device66US 5,145,784 ACambridge Biotech Corporation · 1992
- Hapten compositions61US 4,329,281 AHoffmann-La Roche Inc. · 1982
- Compounds for enzyme amplification assay52US 4,067,774 ASyva Company · 1978
- Fiber optic detector for immuno-testing52US 5,082,630 AThe United States of America as represented by the United States Department of Energy · 1992
- Positive detection lateral-flow apparatus and method for small and large analytes52US 6,699,722 B2A-Fem Medical Corporation · 2004