G01N 2021/0346
Capillary cells
Official title: {Capillary cells; Microcells}
G01N2021/0346 (Capillary cells) appears on 1,081 US grants and 1,232 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,081
- Published applications
- 1,232
- Assignees
- 672
- Inventors
- 2,587
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 12 | 0 |
| 1990 | 7 | 0 |
| 1991 | 12 | 0 |
| 1992 | 14 | 0 |
| 1993 | 11 | 0 |
| 1994 | 13 | 0 |
| 1995 | 13 | 0 |
| 1996 | 11 | 0 |
| 1997 | 12 | 0 |
| 1998 | 10 | 0 |
| 1999 | 12 | 0 |
| 2000 | 13 | 0 |
| 2001 | 16 | 7 |
| 2002 | 13 | 35 |
| 2003 | 33 | 21 |
| 2004 | 14 | 44 |
| 2005 | 14 | 38 |
| 2006 | 29 | 72 |
| 2007 | 33 | 70 |
| 2008 | 33 | 50 |
| 2009 | 33 | 100 |
| 2010 | 49 | 89 |
| 2011 | 61 | 62 |
| 2012 | 65 | 88 |
| 2013 | 57 | 80 |
| 2014 | 53 | 57 |
| 2015 | 47 | 48 |
| 2016 | 62 | 33 |
| 2017 | 43 | 47 |
| 2018 | 37 | 43 |
| 2019 | 39 | 49 |
| 2020 | 43 | 34 |
| 2021 | 24 | 35 |
| 2022 | 31 | 25 |
| 2023 | 15 | 28 |
| 2024 | 23 | 39 |
| 2025 | 22 | 24 |
| 2026 | 11 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nano and microscale patterned surfaces for centering a droplet29 Sep 2026US 12,748,057 B2Thermo Electron Scientific Instruments LLC
- Optical absorption spectrometer16 Jun 2026US 12,656,247 B2ams International AG
- Waveguide with controlled mode confinement for analyte interaction and optical power delivery9 Jun 2026US 12,650,376 B2ORCA Computing Limited
- Microfluidic devices26 May 2026US 12,636,645 B2Hewlett-Packard Development Company, L. P.
- Flowcell and system with improved collection efficiency for Raman spectroscopy12 May 2026US 12,624,999 B2Endress+Hauser Optical Analysis, Inc.
- Waveguide with Controlled Mode Confinement for Analyte Interaction and Optical Power Delivery17 Sep 2026US 2026/0276533 A1ORCA Computing Limited
- Observation Device27 Aug 2026US 2026/0249294 A1Donaldson Company, Inc.
- Single-Molecule Fluorescence Detection System and Method6 Aug 2026US 2026/0227332 A1The University of Sheffield
- Microfluidic reaction chamber with a reaction chamber circuit9 Jul 2026US 2026/0192294 A1Hewlett-Packard Development Company, L. P.
- Microfluidic paper-based chip, microfluidic test system, liquid test method, and use25 Jun 2026US 2026/0175222 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Capillary flow device951US 4,963,498 ABiotrack, Inc. · 1990
- Device for use in chemical test procedures873US 5,141,868 AInternationale Octrooi Maatschappij "Octropa" B.V. · 1992
- Cuvette for sampling and analysis560US 4,654,197 AAktiebolaget Leo · 1987
- Capillary flow device522US 4,756,884 ABiotrack, Inc. · 1988
- Silicon-based sleeve devices for chemical reactions516US 5,589,136 AThe Regents of the University of California · 1996