G01F 23/245
With a probe moved by an auxiliary power
Official title: {with a probe moved by an auxiliary power, e.g. meter, to follow automatically the level}
G01F23/245 (With a probe moved by an auxiliary power) appears on 55 US grants and 17 published applications in this corpus.
Search patents in G01F- Granted patents
- 55
- Published applications
- 17
- Assignees
- 44
- Inventors
- 118
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 2 | 0 |
| 2022 | 1 | 3 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 2 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Energy storage device21 Oct 2025US 12,451,549 B1Shenzhen Hello Tech Energy Co., Ltd.
- Interface detection device and system for dispersed multi-phase fluids10 Jun 2025US 12,325,032 B2Commonwealth Scientific and Industrial Research Organisation
- Fluid level and composition sensor24 Oct 2023US 11,796,376 B2Tigmill Technologies, LLC
- In-situ method and apparatus for measuring fluid resistivity17 Jan 2023US 11,555,730 B2APPLIED Materials.Inc.
- Fluid level and composition sensor25 Jan 2022US 11,231,310 B2Tigmill Technologies, LLC
- Measurement apparatus and method, and additive manufacturing device25 Dec 2025US 2025/0387977 A1Shenzhen Anycubic Technology Co., Ltd.
- Energy storage device30 Oct 2025US 2025/0337073 A1Shenzhen Hello Tech Energy Co., Ltd.
- Energy storage device23 Oct 2025US 2025/0329840 A1Shenzhen Hello Tech Energy Co., Ltd.
- Automatic analyzing apparatus and automatic analyzing method22 Feb 2024US 2024/0061000 A1Canon Medical Systems Corporation
- Adjustable print substance detector14 Jul 2022US 2022/0219460 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- Fluid indicator for a containment vessel288US 4,880,982 AImpex Production & Development A/S (Ltd.) · 1989
- Multi-function flow monitoring apparatus with area velocity sensor capability84US 5,633,809 AAmerican Sigma, Inc. · 1997
- Device for aspirating a fixed quantity of liquid68US 5,045,286 AOlympus Optical Co., Ltd. · 1991
- Automatic fluid monitoring and sampling apparatus and method64US 5,299,141 AAmerican Sigma, Inc. · 1994
- Liquid level sensor63US 4,736,638 ABeckman Instruments, Inc. · 1988