F03B 13/189
Acting directly on the piston of a pump
Official title: {acting directly on the piston of a pump}
F03B13/189 (Acting directly on the piston of a pump) appears on 55 US grants and 56 published applications in this corpus.
Search patents in F03B- Granted patents
- 55
- Published applications
- 56
- Assignees
- 26
- Inventors
- 87
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 4 |
| 2012 | 2 | 4 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 3 | 5 |
| 2016 | 2 | 6 |
| 2017 | 4 | 3 |
| 2018 | 5 | 3 |
| 2019 | 4 | 3 |
| 2020 | 5 | 2 |
| 2021 | 2 | 1 |
| 2022 | 2 | 3 |
| 2023 | 2 | 3 |
| 2024 | 3 | 2 |
| 2025 | 2 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Parametric wave energy, subsea power generation4 Feb 2025US 12,215,664 B2Bardex Corporation
- Self-powered computing buoy4 Jun 2026US 2026/0153071 A1Lone Gull Holdings, Ltd.
- Wave Energy Converter System14 May 2026US 2026/0132764 A1Concrest Energy AS
- Water-drawing structure for ocean energy generator12 Feb 2026US 2026/0043385 A1
- Parametric wave energy, subsea power generation3 Jul 2025US 2025/0215847 A1Bardex Corporation
- Wave-actuated system, wave energy converter subsystem, and method for operating a reverse-osmosis desalination subsystem30 Jan 2025US 2025/0035081 A1Oneka Technologies
Most cited
By later US patents
- Float type wave energy extraction apparatus and method70US 4,754,157 A1988
- Wave-powered desalination of water53US 4,512,886 AUniversity of Delaware · 1985
- Surface wave energy capture system51US 6,229,225 B1Ocean Power Technologies, Inc. · 2001
- Wave-powered desalination of seawater46US 4,421,461 AUniversity of Delaware · 1983
- Wave activated power generation system44US 4,398,095 AKawasaki Jukogyo Kabushiki Kaisha · 1983