G01F 23/68
Using electrically actuated indicating means
Official title: using electrically actuated indicating means
G01F23/68 (Using electrically actuated indicating means) appears on 415 US grants and 258 published applications in this corpus.
Search patents in G01F- Granted patents
- 415
- Published applications
- 258
- Assignees
- 291
- Inventors
- 771
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 9 | 0 |
| 1989 | 13 | 0 |
| 1990 | 11 | 0 |
| 1991 | 14 | 0 |
| 1992 | 8 | 0 |
| 1993 | 13 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 3 |
| 2002 | 2 | 5 |
| 2003 | 8 | 7 |
| 2004 | 7 | 9 |
| 2005 | 3 | 7 |
| 2006 | 12 | 10 |
| 2007 | 4 | 17 |
| 2008 | 13 | 6 |
| 2009 | 7 | 10 |
| 2010 | 5 | 12 |
| 2011 | 8 | 12 |
| 2012 | 10 | 4 |
| 2013 | 6 | 12 |
| 2014 | 7 | 10 |
| 2015 | 12 | 5 |
| 2016 | 8 | 11 |
| 2017 | 7 | 13 |
| 2018 | 11 | 16 |
| 2019 | 8 | 9 |
| 2020 | 17 | 8 |
| 2021 | 6 | 11 |
| 2022 | 13 | 27 |
| 2023 | 12 | 11 |
| 2024 | 17 | 9 |
| 2025 | 11 | 7 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sensor arrangements, sensor systems, and methods for determining height of liquids in tanks11 Aug 2026US 12,704,398 B1Mopeka Products LLC
- Cooling device and image forming apparatus30 Jun 2026US 12,669,775 B2KYOCERA Document Solutions Inc.
- Incubation cassette and microplate for reducing fluid evaporation out of wells of a microplate14 Apr 2026US 12,599,907 B2Tecan Trading AG
- Liquid sensor and hydraulic unit31 Mar 2026US 12,590,943 B2Daikin Industries, Ltd.
- Device for indicating a liquid level in a liquid container28 Oct 2025US 12,455,185 B2
- Remote control box integrated with distribution board for smart farm irrigation17 Sep 2026US 2026/0271842 A1Korea Agriculture Institute Corporation
- Connection assembly and compressor30 Apr 2026US 2026/0117759 A1
- Liquid level detector system19 Mar 2026US 2026/0079039 A1Chem-Enomics LLC
- Liquid level detection apparatus, sewage tank having liquid level detection apparatus, and cleaning device26 Feb 2026US 2026/0053306 A1Shanghai Zidong Technology Co., Ltd.
- Leak monitoring for high voltage cable terminations12 Feb 2026US 2026/0045384 A1Nexans
Most cited
By later US patents
- Automated statistical inventory reconcilation system for convenience stores and auto/truck service stations184US 5,400,253 ASouthern Power, Inc. · 1995
- Fluid monitoring apparatus and method148US 7,878,058 B2Walker Engineering Company · 2011
- System for registration of a fluid level in a receptacle128US 6,554,381 B2Pelikan Produktions AG · 2003
- Recording apparatus97US 5,132,711 ACanon Kabushiki Kaisha · 1992
- Solenoid actuator having a magnetic flux sensor87US 5,032,812 AAutomatic Switch Company · 1991