B01F 35/8822
Using measuring chambers of the piston or plunger type
Official title: {using measuring chambers of the piston or plunger type (B01F35/8823 takes precedence)}
B01F35/8822 (Using measuring chambers of the piston or plunger type) appears on 138 US grants and 88 published applications in this corpus.
Search patents in B01F- Granted patents
- 138
- Published applications
- 88
- Assignees
- 108
- Inventors
- 275
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 7 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 0 | 4 |
| 2004 | 3 | 6 |
| 2005 | 6 | 3 |
| 2006 | 3 | 12 |
| 2007 | 2 | 4 |
| 2008 | 0 | 4 |
| 2009 | 4 | 2 |
| 2010 | 3 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 3 |
| 2014 | 4 | 3 |
| 2015 | 4 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 3 |
| 2018 | 5 | 5 |
| 2019 | 3 | 3 |
| 2020 | 7 | 4 |
| 2021 | 2 | 6 |
| 2022 | 3 | 4 |
| 2023 | 3 | 1 |
| 2024 | 5 | 5 |
| 2025 | 3 | 3 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Microfluidic sample preparation device offering high repeatability7 Oct 2025US 12,434,239 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Produce processing dosing system27 May 2025US 12,310,378 B2JBT Marel Corporation
- Lifting system for metering a fluid from a container and container for a fluid14 Jan 2025US 12,196,591 B2SMIICS GmbH
- System and method for dispensing a coloured product3 Dec 2024US 12,156,582 B2Maison M
- Assembly for and method of dispensing a liquid27 Aug 2024US 12,070,765 B2Fast & Fluid Management B.V.
- Systems and methods for infusion of liquid into gas20 Nov 2025US 2025/0352959 A1
- Material Mixing Cartridge for Dispensing Systems27 Mar 2025US 2025/0099932 A1
- Dosing Process With Alternating Supply, and Associated Devices30 Jan 2025US 2025/0033079 A1Exel Industries
- Assembly for and method of dispensing a liquid7 Nov 2024US 2024/0367192 A1Fast & Fluid Managment B.V.
- Inline dispensing device31 Oct 2024US 2024/0360653 A1Kohler Co.
Most cited
By later US patents
- Method and machine for batching coloring agents into paints and varnishes168US 4,705,083 ACorob S.R.L. Automatic Machinery Project · 1987
- Paint dispensing apparatus153US 5,078,302 AFluid Management Limited Partnership · 1992
- System and apparatus for dispensing high-viscosity pigments151US 5,938,080 AThe Geon Company · 1999
- Method of dispensing materials with improved accuracy132US 5,474,211 A1995
- Paint dispensing apparatus129US 4,967,938 AFluid Management Limited Partnership · 1990