F05B 2250/44
One element moving inside another one
Official title: one element moving inside another one, e.g. wave-operated member (wom) moving inside another member (rem)
F05B2250/44 (One element moving inside another one) appears on 90 US grants and 97 published applications in this corpus.
Search patents in F05B- Granted patents
- 90
- Published applications
- 97
- Assignees
- 53
- Inventors
- 174
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 6 |
| 2008 | 2 | 5 |
| 2009 | 3 | 7 |
| 2010 | 3 | 7 |
| 2011 | 7 | 8 |
| 2012 | 4 | 8 |
| 2013 | 5 | 4 |
| 2014 | 10 | 7 |
| 2015 | 2 | 7 |
| 2016 | 5 | 4 |
| 2017 | 10 | 6 |
| 2018 | 4 | 4 |
| 2019 | 2 | 4 |
| 2020 | 3 | 4 |
| 2021 | 3 | 6 |
| 2022 | 3 | 2 |
| 2023 | 4 | 3 |
| 2024 | 3 | 3 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Hybrid triboelectric and electromagnetic generator4 Mar 2025US 12,241,445 B2Board of Trustees of Michigan State University
- Ocean wave energy harvesting system22 Oct 2024US 12,123,389 B2Luxemoburg Institute of Science and Technology
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- Mooring device and method1 May 2025US 2025/0136253 A1ENI S. p. A.
- Marine suspension electric energy generation device26 Dec 2024US 2024/0426268 A1OFFCON GmbH
- Wave energy harvester21 Nov 2024US 2024/0384697 A1
- Wave energy converter14 Mar 2024US 2024/0084775 A1Columbia Power Technologies, Inc.
- Ocean wave energy harvesting system21 Dec 2023US 2023/0407834 A1Luxembourg Institute of Science and Technology (List)
Most cited
By later US patents
- Mechanism for generating power from wave motion on a body of water71US 4,352,023 A1982
- Wave powered electric generator69US 4,110,630 A1978
- Apparatus for producing electrical energy from ocean waves63US 4,266,143 A1981
- Wave motion electric generator63US 4,423,334 A1983
- Apparatus for converting wave energy into electric power57US 7,989,975 B2Centre National de la Recherche Scientifique (CNRS) · 2011