G01N 2021/6471
Special filters, filter wheel
Official title: {Special filters, filter wheel}
G01N2021/6471 (Special filters, filter wheel) appears on 514 US grants and 673 published applications in this corpus.
Search patents in G01N- Granted patents
- 514
- Published applications
- 673
- Assignees
- 358
- Inventors
- 1,270
- Latest grant
- 8 Sep 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 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 5 |
| 2002 | 5 | 13 |
| 2003 | 4 | 18 |
| 2004 | 8 | 13 |
| 2005 | 8 | 29 |
| 2006 | 18 | 24 |
| 2007 | 23 | 16 |
| 2008 | 13 | 6 |
| 2009 | 13 | 11 |
| 2010 | 8 | 14 |
| 2011 | 10 | 10 |
| 2012 | 9 | 16 |
| 2013 | 8 | 15 |
| 2014 | 9 | 12 |
| 2015 | 14 | 24 |
| 2016 | 20 | 24 |
| 2017 | 24 | 46 |
| 2018 | 31 | 40 |
| 2019 | 32 | 29 |
| 2020 | 35 | 46 |
| 2021 | 35 | 53 |
| 2022 | 36 | 51 |
| 2023 | 38 | 43 |
| 2024 | 32 | 53 |
| 2025 | 34 | 41 |
| 2026 | 24 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Detection system and method8 Sep 2026US 12,730,070 B2Sensor Coating Systems Limited
- Three-dimensional sample scanning system18 Aug 2026US 12,708,897 B2Stilla Technologies
- Filter set, fluorescence observation system and method for simultaneously observing fluorescent and non-fluorescent regions of an object11 Aug 2026US 12,704,460 B2Carl Zeiss Meditec AG
- Microscope comprising excitation radiation from a light source and imaging method for a microscope4 Aug 2026US 12,699,259 B2Carl Zeiss Meditec AG
- Sensor system and method for sensing a physical quantity16 Jun 2026US 12,657,662 B2Rohde & Schwarz GmbH & Co.KG
- Integrated device for nucleic acid extraction, amplification and detection8 Oct 2026US 2026/0307079 A1Hefei Dahui Gene Technology Co., Ltd
- Fluorescence detection system10 Sep 2026US 2026/0266725 A1Bio-Rad Laboratories, Inc.
- Method and device for analyzing samples27 Aug 2026US 2026/0251571 A1Electronics and Telecommunications Research Institute
- Target detection apparatus with improved detection sensitivity20 Aug 2026US 2026/0243681 A1GQT Korea Inc.
- Fluorescent image acquisition method, fluorescent image acquisition device, and fluorescent image acquisition program13 Aug 2026US 2026/0235517 A1Hamamatsu Photonics K.K.
Most cited
By later US patents
- Optical systems and methods for biological analysis471US 9,702,823 B2Life Technologies Corporation · 2017
- Thin film fiber optic sensor array and apparatus for concurrent viewing and chemical sensing of a sample261US 5,298,741 ATrustees of Tufts College · 1994
- Method and apparatus for mapping a tissue sample for and distinguishing different regions thereof based on luminescence measurements of cancer-indicative native fluorophor158US 5,413,108 AThe Research Foundation of City College of New York · 1995
- Microplate scanning read head150US 6,024,920 ABio-Rad Laboratories, Inc. · 2000
- Optical system for a scanning fluorometer135US 6,236,456 B1Molecular Devices, LLC · 2001