G01F 23/165
Of bubbler type
Official title: {of bubbler type}
G01F23/165 (Of bubbler type) appears on 120 US grants and 45 published applications in this corpus.
Search patents in G01F- Granted patents
- 120
- Published applications
- 45
- Assignees
- 98
- Inventors
- 218
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 4 | 3 |
| 2004 | 4 | 4 |
| 2005 | 3 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 2 | 0 |
| 2012 | 2 | 3 |
| 2013 | 4 | 1 |
| 2014 | 1 | 6 |
| 2015 | 0 | 2 |
| 2016 | 2 | 2 |
| 2017 | 2 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 3 |
| 2023 | 1 | 3 |
| 2024 | 4 | 2 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Car wash additive monitoring15 Jul 2025US 12,359,956 B2Franklin Fueling Systems, Inc.
- Indirect measurement system for identifying the position, density and pressure of an underground liquid or gaseous interface3 Jun 2025US 12,320,250 B29380-1934 Quebec Inc.
- Device and method for measuring liquid level in a container by a protected pressure sensor7 May 2024US 11,976,956 B2Erm Electronic Systems Ltd.
- Level and/or density sensor device for liquid vessels19 Mar 2024US 11,933,654 B2Watgrid, S.A.
- Mass measurement systems and related methods for measuring mass of solids within a liquid30 Jan 2024US 11,885,728 B2Battelle Energy Alliance, LLC
- Device and method for producing glass article and method for measuring liquid-surface height15 Jan 2026US 2026/0015277 A1Nippon Electric Glass Co., Ltd.
- Indirect measurement system for identifying the position, density and pressure of an underground liquid or gaseous interface18 Jul 2024US 2024/0240553 A19380-1934 Quebec Inc.
- Level and/or density sensor device for liquid vessels23 May 2024US 2024/0167865 A1Watgrid Lda.
- Liquid interface estimation for liquid aspiration21 Dec 2023US 2023/0408541 A1Tecan Trading AG
- Car wash additive monitoring7 Sep 2023US 2023/0280198 A1Franklin Fueling Systems, Inc.
Most cited
By later US patents
- Multi-function flow monitoring apparatus with area velocity sensor capability84US 5,633,809 AAmerican Sigma, Inc. · 1997
- Precise volume fluid dispenser77US 5,568,882 AABC TechCorp · 1996
- Distributed, unattended wastewater monitoring system69US 5,608,171 A1997
- Automatic fluid monitoring and sampling apparatus and method64US 5,299,141 AAmerican Sigma, Inc. · 1994
- Liquid level control systems51US 8,032,256 B1SJE-Rhombus · 2011