B01F 35/88221
With double acting pistons
Official title: {with double acting pistons (B01F35/88222 takes precedence)}
B01F35/88221 (With double acting pistons) appears on 11 US grants and 8 published applications in this corpus.
Search patents in B01F- Granted patents
- 11
- Published applications
- 8
- Assignees
- 11
- Inventors
- 22
- Latest grant
- 30 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Fluid delivery device for a hydraulic fracturing system30 Aug 2022US 11,428,058 B2SPM Oil & Gas Inc.
- Material dispensing system with gas removal23 Mar 2021US 10,954,929 B2Mueller International, LLC
- Low pressure two component fluid metering, mixing and dispensing system31 Jul 2018US 10,035,168 B1
- Colorant fluid dispensing device for dispensing multiple colorant fluids1 Apr 2014US 8,684,232 B2FüLl Process S.A.
- Device for injection a strand of a paste-like mass into the intermediate space between glass panes of an insulated glass pane9 Jul 2013US 8,480,940 B2Bystronic Lenhardt GmbH
- Dynamic fluid proportioning and infinitely variable ratios and flows from fixed ratio piston proportioning pumps3 Oct 2024US 2024/0328406 A1Luke Wallace
- Fluid Delivery Device for a Hydraulic Fracturing System17 Sep 2020US 2020/0291731 A1SPM Oil & Gas Inc.
- Material dispensing system with gas removal19 Mar 2020US 2020/0088177 A1Mueller International, LLC
- Predictive and adaptable precision metering device, system and method29 Nov 2012US 2012/0298696 A1Failsafe Metering International Ltd.
- Colorant fluid dispensing device for dispensing multiple colorant fluids27 Oct 2011US 2011/0259918 A1FüLl Process S.A.
Most cited
By later US patents
- Metering system & methods36US 6,840,404 B1Sealant Equipment & Engineering, Inc. · 2005
- Proportioning pumping system for dialysis machines25US 4,360,323 A1982
- Method and apparatus for metering a fluid mixture17US 7,562,792 B22009
- Proportioner for fluid spray gun with air valve control11US 5,556,007 AMattson Spray Equipment, Inc. · 1996
- Device for injection a strand of a paste-like mass into the intermediate space between glass panes of an insulated glass pane10US 8,480,940 B2Bystronic Lenhardt GmbH · 2013