H02N 2/185
Using fluid streams
Official title: {using fluid streams}
H02N2/185 (Using fluid streams) appears on 139 US grants and 168 published applications in this corpus.
Search patents in H02N- Granted patents
- 139
- Published applications
- 168
- Assignees
- 114
- Inventors
- 351
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 3 |
| 2003 | 1 | 0 |
| 2004 | 2 | 0 |
| 2005 | 1 | 3 |
| 2006 | 0 | 2 |
| 2007 | 4 | 1 |
| 2008 | 2 | 3 |
| 2009 | 2 | 5 |
| 2010 | 5 | 10 |
| 2011 | 5 | 7 |
| 2012 | 4 | 14 |
| 2013 | 8 | 5 |
| 2014 | 5 | 8 |
| 2015 | 7 | 11 |
| 2016 | 10 | 19 |
| 2017 | 11 | 11 |
| 2018 | 8 | 7 |
| 2019 | 11 | 11 |
| 2020 | 9 | 7 |
| 2021 | 4 | 6 |
| 2022 | 5 | 8 |
| 2023 | 7 | 9 |
| 2024 | 9 | 4 |
| 2025 | 8 | 10 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve comprising a piezoelectric actuator2 Dec 2025US 12,486,921 B2Pytheas Technology
- Energy-autonomous battery-free system for smart irrigation18 Nov 2025US 12,471,545 B2STMicroelectronics S,r.l.
- Vibration power generation device and moving object22 Jul 2025US 12,368,395 B2National University Corporation Kanazawa University
- Systems and methods for energy harvest10 Jun 2025US 12,326,133 B2P Tech, LLC
- Wind power generator using piezoelectric element27 May 2025US 12,316,248 B2
- Electrohydraulic and Piezoelectric Based Energy Conversion System21 May 2026US 2026/0142592 A1
- Energy-autonomous battery-free system fro smart irrigation5 Mar 2026US 2026/0060188 A1STMicroelectronics S,r.l.
- Cymbal micromembrane-based energy harvesting in acoustic metasurfaces26 Feb 2026US 2026/0058580 A1Dell Products L. P.
- Systems and methods for energy harvest25 Sep 2025US 2025/0297592 A1P Tech, LLC
- Energy harvesting system utilizing pvdf piezoelectric film25 Sep 2025US 2025/0300576 A1Kureha America, Inc.
Most cited
By later US patents
- Piezoelectric fluid-electric generator130US 4,387,318 APiezo Electric Products, Inc. · 1983
- Energy harvesting eel99US 6,424,079 B1Ocean Power Technologies, Inc. · 2002
- Vibration based power generator89US 7,199,480 B2Halliburton Energy Services.Inc. · 2007
- Piezoelectric wind generator84US 4,536,674 A1985
- Vibration based downhole power generator66US 6,504,258 B2Halliburton Energy Services.Inc. · 2003