G01F 11/284
Combined with electric level detecting means
Official title: {combined with electric level detecting means (G01F11/282, G01F11/30 - G01F11/46 take precedence)}
G01F11/284 (Combined with electric level detecting means) appears on 70 US grants and 41 published applications in this corpus.
Search patents in G01F- Granted patents
- 70
- Published applications
- 41
- Assignees
- 54
- Inventors
- 163
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 4 |
| 2004 | 1 | 2 |
| 2005 | 1 | 3 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 2 | 4 |
| 2011 | 1 | 1 |
| 2012 | 5 | 6 |
| 2013 | 3 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 4 |
| 2019 | 2 | 2 |
| 2020 | 0 | 2 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- 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
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- Chemical injection and metering module for sterilization system22 Feb 2024US 2024/0058496 A1American Sterilizer Company
- Doser assemblies, apparatuses including a doser assembly, methods of making the same, and/or methods of operating the same5 Oct 2023US 2023/0314199 A1Altria Client Services LLC
- System and method of fluid dispensing6 May 2021US 2021/0131850 A1
Most cited
By later US patents
- Volumetric fluid dispensing apparatus83US 5,680,960 A1997
- System and method for dispensing liquid from storage containers49US 5,383,574 AMicrobar Sytems, Inc. · 1995
- System and method for dispensing liquid from storage containers40US 5,636,762 AMicrobar Systems, Inc. · 1997
- Volumetric fluid dispensing apparatus39US 5,480,063 A1996
- Proportional chemical feeding system35US 4,897,797 ABetz Laboratories, Inc. · 1990