B01L 2400/0644
Rotary valves
Official title: rotary valves
B01L2400/0644 (Rotary valves) appears on 482 US grants and 692 published applications in this corpus.
Search patents in B01L- Granted patents
- 482
- Published applications
- 692
- Assignees
- 343
- Inventors
- 1,511
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 3 |
| 2002 | 13 | 20 |
| 2003 | 11 | 28 |
| 2004 | 7 | 11 |
| 2005 | 11 | 15 |
| 2006 | 6 | 18 |
| 2007 | 10 | 8 |
| 2008 | 4 | 16 |
| 2009 | 4 | 17 |
| 2010 | 9 | 25 |
| 2011 | 13 | 20 |
| 2012 | 11 | 21 |
| 2013 | 21 | 22 |
| 2014 | 18 | 28 |
| 2015 | 16 | 35 |
| 2016 | 20 | 29 |
| 2017 | 36 | 34 |
| 2018 | 26 | 32 |
| 2019 | 26 | 39 |
| 2020 | 25 | 31 |
| 2021 | 26 | 56 |
| 2022 | 27 | 41 |
| 2023 | 27 | 48 |
| 2024 | 26 | 41 |
| 2025 | 31 | 37 |
| 2026 | 14 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- On-site rapid quantification of tetrahydrocannabinol11 Aug 2026US 12,704,521 B2Industry-Academic Cooperation Foundation, Yonsei University
- Microfluidic device30 Jun 2026US 12,667,839 B2Oxford Nanopore Technologies PLC
- Nucleic acid extraction device23 Jun 2026US 12,661,651 B2Hangzhou Bigfish Bio-Tech Co., Ltd.
- Universal assay cartridge and methods of use19 May 2026US 12,629,680 B2Cepheid
- Methods and systems for extraction, processing, and detection of nucleic acids5 May 2026US 12,618,106 B2The Charles Stark Draper Laboratory, Inc.
- Submicron-scale microfluidic experimental apparatus under high-temperature and high-pressure conditions and use method thereof17 Sep 2026US 2026/0273525 A1Southwest Petroleum University
- Elution kit, analytical kit and method of eluting and analyzing a biological sample27 Aug 2026US 2026/0249297 A1
- Biosensor system and method of controlling same13 Aug 2026US 2026/0233219 A1LG Electronics Inc.
- Nucleic acid extraction and purification cartridges13 Aug 2026US 2026/0233224 A1Manta Biosystems, Inc.
- Fluid processing cartridge, and method for recovering and amplifying nucleic acid6 Aug 2026US 2026/0225096 A1KABUSHIKI KAISHA Mirai Genomics
Most cited
By later US patents
- System and apparatus for sequential processing of analytes749US 6,969,488 B2Solexa Limited · 2005
- Planar arrays of microparticle-bound polynucleotides635US 6,406,848 B1Lynx Therapeutics, Inc. · 2002
- Integrated fluid manipulation cartridge543US 6,440,725 B1Cepheid · 2002
- System and apparatus for sequential processing of analytes410US 7,282,370 B2Solexa Limited · 2007
- Device incorporating a microfluidic chip for separating analyte from a sample400US 6,664,104 B2Cepheid · 2003