F04B 19/02
Machines or pumps having pertinent characteristics not provided for in, or of
Official title: having movable cylinders
F04B19/02 (Machines or pumps having pertinent characteristics not provided for in, or of) appears on 110 US grants and 74 published applications in this corpus.
Search patents in F04B- Granted patents
- 110
- Published applications
- 74
- Assignees
- 74
- Inventors
- 214
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 5 | 1 |
| 2003 | 3 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 3 |
| 2006 | 0 | 2 |
| 2007 | 2 | 2 |
| 2008 | 0 | 5 |
| 2009 | 0 | 3 |
| 2010 | 2 | 2 |
| 2011 | 2 | 1 |
| 2012 | 0 | 3 |
| 2013 | 2 | 3 |
| 2014 | 2 | 3 |
| 2015 | 2 | 2 |
| 2016 | 6 | 4 |
| 2017 | 1 | 3 |
| 2018 | 3 | 3 |
| 2019 | 3 | 4 |
| 2020 | 4 | 2 |
| 2021 | 3 | 2 |
| 2022 | 2 | 5 |
| 2023 | 1 | 7 |
| 2024 | 4 | 8 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pump mechanism with double reservoir and stationary fluid ports27 Jan 2026US 12,533,461 B2Insulet Corporation
- Fluid injection or suction device29 Apr 2025US 12,286,984 B2Fuji Filter Manufacturing Co., Ltd.
- Rotational metering pump for medication patch11 Mar 2025US 12,246,162 B2Becton, Dickinson and Company
- Rotational metering gasket pump4 Mar 2025US 12,241,459 B2Becton, Dickinson and Company
- Wave driven variable leverage pump for water desalination21 Jan 2025US 12,203,461 B2BlueDesal Inc.
- Pump mechanism with double reservoir and stationary fluid ports16 Apr 2026US 2026/0102557 A1Insulet Corporation
- Liquid pumping device and liquid pumping and lid opening apparatus20 Nov 2025US 2025/0353720 A1Asia Ic Mic-Process, Inc.
- Wave driven variable leverage pump for water desalination30 Oct 2025US 2025/0334110 A1BlueDesal Inc.
- Reversible Reciprocating Pump22 Aug 2024US 2024/0280101 A1Quidnet Energy Inc.
- Wave driven variable leverage pump for water desalination6 Jun 2024US 2024/0183346 A1BlueDesal Inc.
Most cited
By later US patents
- Reciprocating pump63US 4,174,194 A1979
- Positive displacement shuttle pump62US 5,044,900 AKnight Tool Company, Inc. · 1991
- Pumping apparatus for perfusion and other fluid catheterization procedures62US 5,529,463 ACordis Corporation · 1996
- Pumping system using solar energy37US 3,937,599 AAgence Nationale de Valorisation de la Recherche (ANVAR) · 1976
- Portable steam generating system37US 6,647,204 B1Harwil Corporation · 2003