F03C 1/26
Reciprocating-piston liquid engines: adapted for special use or combined with apparatus driven
Official title: adapted for special use or combined with apparatus driven thereby
F03C1/26 (Reciprocating-piston liquid engines: adapted for special use or combined with apparatus driven) appears on 57 US grants and 58 published applications in this corpus.
Search patents in F03C- Granted patents
- 57
- Published applications
- 58
- Assignees
- 37
- Inventors
- 137
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 4 |
| 2013 | 4 | 6 |
| 2014 | 1 | 9 |
| 2015 | 6 | 8 |
| 2016 | 1 | 4 |
| 2017 | 7 | 4 |
| 2018 | 4 | 2 |
| 2019 | 5 | 4 |
| 2020 | 5 | 6 |
| 2021 | 3 | 2 |
| 2022 | 5 | 3 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Energy conversion system based on phase change and gravitational pressure wave generation and conversion13 Jun 2024US 2024/0191685 A1A & A International, LLC
- Integrated energy generating damper10 Aug 2023US 2023/0250811 A1ClearMotion, Inc.
- Hydraulic automatic transmission bicycle25 Aug 2022US 2022/0266948 A1
- Liquid column generator26 May 2022US 2022/0162942 A1
- Volumetric pressure exchanger with booster effect and integrated flow measurement, for a seawater desalination plant6 Jan 2022US 2022/0001330 A1
Most cited
By later US patents
- Integrated energy generating damper39US 8,841,786 B2Levant Power Corporation · 2014
- Power handle for hydraulic toothbrush-spray appliance27US 4,146,020 ALes Produits Associes LPA SA · 1979
- Integrated energy generating damper17US 9,035,477 B2Levant Power Corporation · 2015
- Driving unit for a feed pump15US 4,646,518 AMannesmann Rexroth GmbH · 1987
- Hydraulic drive unit for driving a drilling tool13US 5,437,338 APoclain Hydraulics · 1995