B01L 2300/04
Closures and closing means
B01L2300/04 (Closures and closing means) appears on 3,823 US grants and 5,879 published applications in this corpus.
Search patents in B01L- Granted patents
- 3,823
- Published applications
- 5,879
- Assignees
- 2,272
- Inventors
- 10,382
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 9 | 0 |
| 1994 | 12 | 0 |
| 1995 | 9 | 0 |
| 1996 | 17 | 0 |
| 1997 | 12 | 0 |
| 1998 | 8 | 0 |
| 1999 | 13 | 0 |
| 2000 | 16 | 0 |
| 2001 | 25 | 9 |
| 2002 | 25 | 58 |
| 2003 | 39 | 131 |
| 2004 | 31 | 109 |
| 2005 | 38 | 140 |
| 2006 | 33 | 113 |
| 2007 | 50 | 113 |
| 2008 | 49 | 133 |
| 2009 | 58 | 134 |
| 2010 | 97 | 173 |
| 2011 | 76 | 152 |
| 2012 | 113 | 166 |
| 2013 | 112 | 218 |
| 2014 | 123 | 217 |
| 2015 | 173 | 253 |
| 2016 | 186 | 332 |
| 2017 | 240 | 282 |
| 2018 | 205 | 302 |
| 2019 | 242 | 337 |
| 2020 | 230 | 406 |
| 2021 | 257 | 384 |
| 2022 | 271 | 423 |
| 2023 | 298 | 377 |
| 2024 | 287 | 397 |
| 2025 | 279 | 310 |
| 2026 | 136 | 210 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pressure-stepped chemical reactions and associated methods, systems, apparatuses, and articles6 Oct 2026US 12,752,275 B2CEM Corporation
- Sample taking device, sample taking system and method of operating a sample taking device6 Oct 2026US 12,754,107 B2LockCon AG
- Micro-fluidic chip and reaction system29 Sep 2026US 12,746,546 B2Boe Technology Group Co., Ltd.
- Support fixture for chromatography columns29 Sep 2026US 12,748,086 B2Takeda Pharmaceutical Company Limited
- Method of piercing seal for sample testing29 Sep 2026US 12,748,121 B2Augusta SpinCo Corporation
- Fluorescence detector for microfluidic diagnostic system8 Oct 2026US 2026/0307078 A1HandyLab, Inc.
- Pipette Tip Support Card Bundles8 Oct 2026US 2026/0307080 A1Xcaliber Sciences, Inc.
- Centrifuge syringe1 Oct 2026US 2026/0295575 A1Hubertus Goller Gesellschaft M.B.H.
- Sample holder, analysis system, and method for analyzing sample1 Oct 2026US 2026/0295576 A1Kioxia Corporation
- Microfluidic Closure Assemblies1 Oct 2026US 2026/0295585 A1Overture Life, Inc.
Most cited
By later US patents
- Cuvette for sampling and analysis560US 4,654,197 AAktiebolaget Leo · 1987
- Disposable vacuum filtration apparatus capable of detecting microorganisms and particulates in liquid samples489US 6,913,152 B22005
- Integrated devices and systems for performing temperature controlled reactions and analyses451US 6,171,850 B2Caliper Technologies Corp. · 2001
- Thermal cycler for automatic performance of the polymerase chain reaction with close temperature control427US 5,475,610 AThe Perkin-Elmer Corporation · 1995
- Point-of-care fluidic systems and uses thereof394US 7,635,594 B2Theranos, Inc. · 2009