G01F 23/34
Using mechanically actuated indicating means
Official title: using mechanically actuated indicating means {(G01F23/38 takes precedence)}
G01F23/34 (Using mechanically actuated indicating means) appears on 49 US grants and 37 published applications in this corpus.
Search patents in G01F- Granted patents
- 49
- Published applications
- 37
- Assignees
- 31
- Inventors
- 84
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 2 |
| 2004 | 2 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 4 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 1 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 1 |
| 2019 | 4 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 4 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Float indication seal31 Mar 2026US 12,590,826 B1
- Water level indicator and method of manufacture thereof19 Aug 2025US 12,392,652 B2Union Carbide Corporation
- No emission tank gauge17 Jun 2025US 12,332,047 B2
- Fluid level sensor for a toroid-shaped tank6 Aug 2024US 12,055,430 B2Honeywell International Inc.
- Tank valve system with combined overfill prevention and fuel level indication13 Feb 2024US 11,898,655 B2YSN Imports, Inc.
- Hub cap with oil level indicator1 Oct 2026US 2026/0298692 A1Aperia Technologies, Inc.
- System and method for fluid handling in a shower or bath7 Nov 2024US 2024/0368866 A1
- Fluid level sensor for a toroid-shaped tank23 May 2024US 2024/0167866 A1Honeywell International Inc.
- Tank valve system with combined overfill prevention and fuel level indication25 Apr 2024US 2024/0133481 A1YSN Imports, Inc.
- System and method for fluid handling in a shower or bath26 Oct 2023US 2023/0340764 A1
Most cited
By later US patents
- Combined fuel level monitor and thermostat128US 5,947,372 A1999
- Liquid level gauge55US 6,089,086 ARochester Gauges, Inc. · 2000
- Liquid level gauge54US 6,041,650 ARochester Gauges, Inc. · 2000
- Adjustable LPG gauge43US 5,072,618 ARochester Gauges, Inc. · 1991
- Density compensating float38US 4,635,480 ARochester Gauges, Inc. · 1987