G01F 3/14
Comprising reciprocating pistons
Official title: comprising reciprocating pistons, e.g. reciprocating in a rotating body
G01F3/14 (Comprising reciprocating pistons) appears on 130 US grants and 64 published applications in this corpus.
Search patents in G01F- Granted patents
- 130
- Published applications
- 64
- Assignees
- 82
- Inventors
- 176
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 7 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 4 |
| 2007 | 2 | 2 |
| 2008 | 3 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 5 |
| 2012 | 2 | 2 |
| 2013 | 4 | 10 |
| 2014 | 6 | 0 |
| 2015 | 1 | 0 |
| 2016 | 4 | 3 |
| 2017 | 2 | 0 |
| 2018 | 0 | 6 |
| 2019 | 6 | 4 |
| 2020 | 4 | 9 |
| 2021 | 4 | 5 |
| 2022 | 3 | 5 |
| 2023 | 2 | 2 |
| 2024 | 4 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for continuously supplying a metering device24 Mar 2026US 12,584,777 B2Marco Systemanalyse und Entwicklung GmbH
- System for determining rheological properties of grease and associated method19 Aug 2025US 12,392,702 B2Aktiebolaget Skf
- Pump having a pressure sensor to displace a known volume of fluid from a reservoir, which stretches and contracts12 Nov 2024US 12,140,127 B2Fize Medical Ltd.
- Jet dosing valve17 Sep 2024US 12,092,508 B2
- Densimeter20 Aug 2024US 12,066,452 B2Hamilton Sundstrand Corporation
- Proportional volumetric dosing device30 Jul 2026US 2026/0219086 A1Mixtron S.R.L.
- Pump-Based Fluid Flow Meter12 Dec 2024US 2024/0410348 A1Fize Medical Ltd.
- Method and apparatus for continuously supplying a metering device21 Dec 2023US 2023/0408317 A1Marco Systemanalyse und Entwicklung GmbH
- Handheld solids dispenser5 Jan 2023US 2023/0003567 A1Seven Star Pharmaceutical Services LLC
- Densimeter15 Dec 2022US 2022/0397504 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Positive displacement piston flow meter with damping assembly818US 5,562,002 ASensidyne, Inc. · 1996
- Inductance-based dose measurement in syringes551US 6,068,615 AHealth Hero Network, Inc. · 2000
- Optical dose measurements in syringes480US 6,113,578 AHealth Hero Network, Inc. · 2000
- Apparatus for optically determining and electronically recording injection doses in syringes436US 5,792,117 ARaya Systems, Inc. · 1998
- Apparatus for electrically determining injection doses in syringes432US 5,569,212 ARaya Systems, Inc. · 1996