B67D 7/085
Testing or calibrating apparatus therefore
Official title: {Testing or calibrating apparatus therefore (testing or calibrating apparatus for measuring volume flow in general G01F25/00)}
B67D7/085 (Testing or calibrating apparatus therefore) appears on 57 US grants and 46 published applications in this corpus.
Search patents in B67D- Granted patents
- 57
- Published applications
- 46
- Assignees
- 36
- Inventors
- 132
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 3 |
| 2004 | 0 | 1 |
| 2005 | 2 | 3 |
| 2006 | 3 | 4 |
| 2007 | 3 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 3 | 1 |
| 2016 | 0 | 4 |
| 2017 | 1 | 0 |
| 2018 | 2 | 2 |
| 2019 | 4 | 4 |
| 2020 | 1 | 1 |
| 2021 | 3 | 2 |
| 2022 | 2 | 3 |
| 2023 | 2 | 2 |
| 2024 | 2 | 3 |
| 2025 | 5 | 0 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Detecting locations associated with anomalous fuel dispensing operations within a network of gas stations19 May 2026US 12,630,413 B27-Eleven, Inc.
- Method for calibrating a filling system and filling system23 Dec 2025US 12,503,355 B2
- Real-time determination of meter drift via loss qualification and quantification9 Dec 2025US 12,492,116 B2Wayne Fueling Systems LLC
- IT organization for custom hair dye dispensing system10 Jun 2025US 12,325,620 B2L'oreal
- Fuel leak determination via predictive modeling8 Apr 2025US 12,270,728 B2Wayne Fueling Systems LLC
- Detecting locations associated with anomalous fuel dispensing operations within a network of gas stations2 Jul 2026US 2026/0184557 A17-Eleven, Inc.
- System and method for automatic tank gauge supervision7 May 2026US 2026/0125260 A1
- Self calibrating flow rate and tank level measurement system30 Apr 2026US 2026/0116737 A1
- System and method for improved fuel dispenser audit compliance9 Apr 2026US 2026/0097950 A1
- Fuel leak determination via predictive modeling16 May 2024US 2024/0159615 A1Wayne Fueling Systems LLC
Most cited
By later US patents
- System and method for testing for error conditions in a fuel vapor recovery system67US 5,450,883 AGilbarco Inc. · 1995
- System and method for testing for error conditions in a fuel vapor recovery system51US 5,857,500 AGilbarco Inc. · 1999
- Automatic meter proving and calibration system46US 4,831,866 ATokheim Corporation · 1989
- Signature pulse generator and method of detecting tampering with a fueling operation44US 6,296,148 B1Marconi Commerce Systems Inc. · 2001
- Apparatus for measuring quantities of liquid in gasoline pumps of motor vehicle filling stations43US 5,447,062 ATankanlagen Salzkotten GmbH · 1995