G01N 2001/1427
Positive displacement, piston, peristaltic
Official title: {Positive displacement, piston, peristaltic}
G01N2001/1427 (Positive displacement, piston, peristaltic) appears on 104 US grants and 105 published applications in this corpus.
Search patents in G01N- Granted patents
- 104
- Published applications
- 105
- Assignees
- 99
- Inventors
- 317
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 6 |
| 2011 | 4 | 2 |
| 2012 | 4 | 1 |
| 2013 | 2 | 5 |
| 2014 | 3 | 3 |
| 2015 | 3 | 1 |
| 2016 | 0 | 2 |
| 2017 | 5 | 11 |
| 2018 | 5 | 10 |
| 2019 | 10 | 12 |
| 2020 | 4 | 7 |
| 2021 | 8 | 10 |
| 2022 | 4 | 9 |
| 2023 | 6 | 5 |
| 2024 | 7 | 3 |
| 2025 | 3 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Active pressure compensator for deep-sea sampling and pressure compensation method thereof5 May 2026US 12,618,398 B2Zhejiang University
- Device and method for examining reactions4 Nov 2025US 12,458,944 B2hte GmbH the high throughput experimentation company
- Device and method for determining liquid contact and liquid volume in a liquid dispenser based on sound9 Sep 2025US 12,411,061 B2Meso Scale Technologies, LLC.
- System and apparatus for fluid sample delivery17 Jun 2025US 12,330,150 B2S.C.R. (Engineers) Limited
- Diffusive gradients in thin films (DGT) test device for lake water and test method using same17 Dec 2024US 12,169,164 B2Chinese Research Academy of Environmental Sciences
- Hydraulic transfer assembly and method of using the same2 Jul 2026US 2026/0185906 A1Saint-Gobain Performance Plastics Corporation
- Pipette assembly4 Jun 2026US 2026/0151763 A1Integra Biosciences AG
- Sampling system and sampling method26 Feb 2026US 2026/0056092 A1Shanghai Morimatsu Pharmaceutical Equipment Engineering Co., Ltd.
- Device and method for determining liquid contact and liquid volume in a liquid dispenser based on sound4 Dec 2025US 2025/0369835 A1Meso Scale Technologies, LLC.
- Cryogenic sampling system7 Aug 2025US 2025/0251316 A1Welker, Inc.
Most cited
By later US patents
- Multi-function flow monitoring apparatus with area velocity sensor capability84US 5,633,809 AAmerican Sigma, Inc. · 1997
- Automatic fluid monitoring and sampling apparatus and method64US 5,299,141 AAmerican Sigma, Inc. · 1994
- Automatic fluid sampling and monitoring apparatus and method46US 5,172,332 AAmerican Sigma, Inc. · 1992
- Fluid sampling device40US 5,919,356 AFSM Technologies Ltd. · 1999
- Sample collector using a syringe with a side port in the barrel38US 7,418,880 B12008