G01F 11/28
Apparatus requiring external operation adapted at each repeated and identical operation to
Official title: with stationary measuring chambers having constant volume during measurement
G01F11/28 (Apparatus requiring external operation adapted at each repeated and identical operation to) appears on 628 US grants and 460 published applications in this corpus.
Search patents in G01F- Granted patents
- 628
- Published applications
- 460
- Assignees
- 401
- Inventors
- 1,198
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 9 | 0 |
| 1978 | 5 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 9 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 11 | 0 |
| 1989 | 10 | 0 |
| 1990 | 13 | 0 |
| 1991 | 6 | 0 |
| 1992 | 16 | 0 |
| 1993 | 17 | 0 |
| 1994 | 10 | 0 |
| 1995 | 10 | 0 |
| 1996 | 13 | 0 |
| 1997 | 7 | 0 |
| 1998 | 15 | 0 |
| 1999 | 18 | 0 |
| 2000 | 14 | 0 |
| 2001 | 20 | 4 |
| 2002 | 13 | 12 |
| 2003 | 9 | 10 |
| 2004 | 9 | 14 |
| 2005 | 7 | 20 |
| 2006 | 5 | 13 |
| 2007 | 6 | 14 |
| 2008 | 7 | 11 |
| 2009 | 12 | 9 |
| 2010 | 8 | 15 |
| 2011 | 6 | 19 |
| 2012 | 15 | 14 |
| 2013 | 10 | 20 |
| 2014 | 12 | 14 |
| 2015 | 11 | 16 |
| 2016 | 27 | 28 |
| 2017 | 19 | 27 |
| 2018 | 16 | 25 |
| 2019 | 37 | 32 |
| 2020 | 19 | 17 |
| 2021 | 19 | 24 |
| 2022 | 21 | 29 |
| 2023 | 25 | 22 |
| 2024 | 12 | 18 |
| 2025 | 22 | 23 |
| 2026 | 14 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01F 11/30With supply and discharge valves of the lift or plug-lift type145
- G01F 11/42With supply or discharge valves of the rotary or oscillatory type115
- G01F 11/36With supply or discharge valves of the rectilinearly-moved slide type83
- G01F 11/286Where filling of the measuring chamber is effected by squeezing a supply81
- G01F 11/284Combined with electric level detecting means70
- G01F 11/282For fluent solid material not provided for in g01f11/34, g01f11/40, g01f11/4662
- G01F 11/288Squeezing of the supply vessel causing filling of the measuring chamber and34
Recent patents
- Measured fluid dispenser with rotatable fillable volumes15 Sep 2026US 12,736,382 B2Ams AG
- Adjustable rotary cup8 Sep 2026US 12,729,991 B2Ams AG
- Slide measuring system for filling pouches and associated method18 Aug 2026US 12,708,133 B2Altria Client Services LLC
- Flow measuring and metering apparatus for flowable granular solids30 Jun 2026US 12,669,359 B2Hallett's Hay and Seed Ltd.
- Configurable control of unloading rate based on fill height30 Jun 2026US 12,669,361 B2Deere & Company
- Ingredient dispensers8 Oct 2026US 2026/0309528 A1Jened LLC
- Configurable control of unloading rate based on fill height3 Sep 2026US 2026/0259073 A1Deere & Company
- Powder supply apparatus23 Jul 2026US 2026/0208444 A1
- Liquid dosing bottle18 Jun 2026US 2026/0165515 A1
- Doser assemblies, apparatuses including a doser assembly, methods of making the same, and/or methods of operating the same4 Jun 2026US 2026/0153373 A1Altria Client Services LLC
Most cited
By later US patents
- System, method, and apparatus for monitoring, regulating, or controlling fluid flow174US 9,435,455 B2DEKA Products Limited Partnership · 2016
- Dispenser which incrementally heats fluids with substantial non-volatile constituent parts140US 6,311,868 B1New Sensations, L.L.C. · 2001
- Apparatus and method for the transfer and delivery of high purity chemicals125US 5,148,945 AApplied Chemical Solutions · 1992
- Metered liquid squeeze dispenser120US 6,186,367 B1Valley Design, Inc. · 2001
- Flow meter and related system and apparatus108US 9,746,093 B2DEKA Products Limited Partnership · 2017