E02B 15/0857
Buoyancy material
Official title: {Buoyancy material}
E02B15/0857 (Buoyancy material) appears on 204 US grants and 89 published applications in this corpus.
Search patents in E02B- Granted patents
- 204
- Published applications
- 89
- Assignees
- 84
- Inventors
- 242
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 12 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 16 | 0 |
| 1992 | 13 | 0 |
| 1993 | 14 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 4 |
| 2003 | 3 | 4 |
| 2004 | 3 | 3 |
| 2005 | 4 | 4 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 2 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 3 |
| 2012 | 0 | 4 |
| 2013 | 0 | 3 |
| 2014 | 3 | 4 |
| 2015 | 4 | 4 |
| 2016 | 6 | 10 |
| 2017 | 4 | 7 |
| 2018 | 7 | 3 |
| 2019 | 3 | 4 |
| 2020 | 6 | 6 |
| 2021 | 4 | 4 |
| 2022 | 5 | 3 |
| 2023 | 0 | 3 |
| 2024 | 2 | 1 |
| 2025 | 5 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- HDPE marine boom with axial passage and chain stop25 Nov 2025US 12,479,538 B2Worthington Products Incorporated
- High-density polyethylene marine boom4 Nov 2025US 12,459,606 B2Worthington Products Incorporated
- Flanged HDPE marine boom, marine boom system, and lug plate4 Nov 2025US 12,459,607 B2Worthington Products Incorporated
- Self-expanding spill containment boom11 Mar 2025US 12,247,364 B2HARBO Technologies Ltd.
- Systems, apparatus and methods capable of collecting and processing floating solid materials4 Mar 2025US 12,241,216 B2Ocean Cleaner, LLC
- Method and apparatus for confining the spread of pollutants spilled into a moving fluid8 Oct 2026US 2026/0308859 A1
- Hdpe marine boom with axial passage and chain stop26 Feb 2026US 2026/0054803 A1Worthington Products Incorporated
- Flanged hdpe marine boom, marine boom system, and lug plate27 Mar 2025US 2025/0100653 A1Worthington Products Incorporated
- Shade Dome for Reducing Evaporation of Open Body of Water27 Feb 2025US 2025/0067013 A1
- Improved high-density polyethylene marine boom2 Jan 2025US 2025/0002119 A1Worthington Products Incorporated
Most cited
By later US patents
- Oil-sorbing boom59US 5,165,821 AMinnesota Mining and Manufacturing Company · 1992
- Pneumatic spar sediment control curtain42US 4,484,836 A1984
- Boom system41US 5,688,075 A1997
- Inflatable barrier37US 4,104,884 A1978
- Lightweight, rapid deployment oil spill containment boom36US 5,197,821 ASpill Management, Inc. · 1993