B67D 7/18
Of piston type
Official title: of piston type
B67D7/18 (Of piston type) appears on 18 US grants and 14 published applications in this corpus.
Search patents in B67D- Granted patents
- 18
- Published applications
- 14
- Assignees
- 11
- Inventors
- 21
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 3 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 2 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 3 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents
- Multiple fluid meter assembly81US 5,811,676 ADresser Industries, Inc. · 1998
- Linear sensing apparatus for positive displacement meter29US 4,781,066 AGilbarco Inc. · 1988
- Fluid meter having a crankshaft with two angularly spaced crank pins radially offset from the crankshaft13US 5,648,606 ADresser Industries, Inc. · 1997
- Electro-mechanical piston meter13US 6,149,032 ATokheim Corporation · 2000
- Fluid meter utilizing two connecting rods for connecting two pistons11US 5,686,663 ADresser Industries, Inc. · 1997