B67D 7/365
Using floats
Official title: {using floats}
B67D7/365 (Using floats) appears on 111 US grants and 75 published applications in this corpus.
Search patents in B67D- Granted patents
- 111
- Published applications
- 75
- Assignees
- 51
- Inventors
- 132
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 3 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 2 | 5 |
| 2006 | 2 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 2 | 3 |
| 2012 | 1 | 1 |
| 2013 | 3 | 5 |
| 2014 | 1 | 1 |
| 2015 | 1 | 4 |
| 2016 | 2 | 3 |
| 2017 | 3 | 4 |
| 2018 | 1 | 2 |
| 2019 | 2 | 4 |
| 2020 | 7 | 10 |
| 2021 | 8 | 9 |
| 2022 | 7 | 7 |
| 2023 | 7 | 4 |
| 2024 | 6 | 3 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method and apparatus for limiting acidic corrosion and contamination in fuel delivery systems14 Oct 2025US 12,441,600 B2Franklin Fueling Systems, Inc.
- Pressure/vacuum (PV) valve for fuel storage tanks, in-line pressure-vacuum valve test unit, and combination thereof19 Aug 2025US 12,391,540 B2Vapor Systems Technologies, Inc.
- Methods and systems for on demand fuel supply11 Feb 2025US 12,221,335 B2Texas Fueling Services, Inc.
- Methods and systems for controlling fluid flow to a fluid consuming asset26 Nov 2024US 12,151,930 B2Texas Fueling Services, Inc.
- Methods and systems for on demand fuel supply15 Oct 2024US 12,116,263 B2Texas Fueling Services, Inc.
- Method and apparatus for limiting acidic corrosion and contamination in fuel delivery systems19 Jun 2025US 2025/0202086 A1Franklin Fueling Systems, Inc.
- Methods and Systems for Controlling Fluid Flow to a Fluid Consuming Asset14 Mar 2024US 2024/0083739 A1Texas Fueling Services, Inc.
- Methods and systems for on demand fuel supply22 Feb 2024US 2024/0059551 A1Texas Fueling Services, Inc.
- Pressure/vacuum (pv) valve for fuel storage tanks, in-line pressure-vacuum valve test unit, and combination thereof8 Feb 2024US 2024/0043261 A1Vapor Systems Technologies, Inc.
- Aircraft engine oil filler apparatus14 Dec 2023US 2023/0399119 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Automatic, virtually leak-free filling system202US 5,651,400 ATechnology Trading B.V. · 1997
- Drop tubes and overfill valves therefor60US 5,174,345 ADover Corporation · 1992
- Drop tube assembly with shut-off valve and method for assembling the same53US 5,235,999 AGuillotine, Inc. · 1993
- Fill limiter for a liquid storage tank39US 6,206,056 B1Lafon Production S.A. · 2001
- Density compensating float38US 4,635,480 ARochester Gauges, Inc. · 1987