B63B 2231/68
Prestressed concretes
B63B2231/68 (Prestressed concretes) appears on 7 US grants and 4 published applications in this corpus.
Search patents in B63B- Granted patents
- 7
- Published applications
- 4
- Assignees
- 5
- Inventors
- 11
- Latest grant
- 24 Mar 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Floating hybrid composite wind turbine platform and tower system with suspended mass24 Mar 2020US 10,598,155 B2University of Maine System Board of Trustees
- Floating hybrid composite wind turbine platform and tower system13 Dec 2016US 9,518,564 B2University of Maine System Board of Trustee
- Marine construction12 Apr 1994US 5,301,625 AOffshore Concrete A/S
- Marine construction23 Nov 1993US 5,263,428 AOffshore Concrete A/S
- Marine construction13 Apr 1993US 5,201,275 AOffshore Concrete A/S
- Assembly and method for connecting a steel wind turbine tower to a concrete foundation9 Apr 2026US 2026/0098518 A1Equinor Energy AS
- Floating hybrid composite wind turbine platform and tower system with suspended mass23 Feb 2017US 2017/0051724 A1University of Maine System Board of Trustees
- Floating Hybrid Composite Wind Turbine Platform and Tower System29 Aug 2013US 2013/0224020 A1University of Maine System Board of Trustees
- Corrosion resistant prestressed concrete float system19 May 2005US 2005/0103250 A1
Most cited
By later US patents
- Floating structures including honeycomb cores formed of elongate hexagonal cells32US 3,974,789 A1976
- Marine structure21US 4,234,270 AA/S Hoyer-Ellefsen · 1980
- Floating hybrid composite wind turbine platform and tower system10US 9,518,564 B2University of Maine System Board of Trustee · 2016
- Floating hybrid composite wind turbine platform and tower system with suspended mass2US 10,598,155 B2University of Maine System Board of Trustees · 2020
- Marine construction2US 5,201,275 AOffshore Concrete A/S · 1993