B28B 23/06
For the production of elongated articles
Official title: for the production of elongated articles
B28B23/06 (For the production of elongated articles) appears on 50 US grants and 26 published applications in this corpus.
Search patents in B28B- Granted patents
- 50
- Published applications
- 26
- Assignees
- 34
- Inventors
- 93
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 3 |
| 2003 | 1 | 3 |
| 2004 | 2 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 3 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 3 |
| 2023 | 2 | 0 |
| 2024 | 2 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Removal-facilitated anchor sealing device for box girder construction26 May 2026US 12,636,813 B2Yantai University
- Pre-stressed insulated concrete panels and methods for making and using the same9 Sep 2025US 12,410,614 B2
- Method and device for producing concrete pile10 Jun 2025US 12,325,151 B2Giken Ltd.
- Method of producing a plurality of concrete cast elements18 Jun 2024US 12,011,849 B2Voestalpine Railway Systems GmbH
- Pre-stressed insulated concrete panels and methods for making and using the same18 Jun 2024US 12,012,756 B2
- Pre-stressed insulated concrete panels and methods for making and using the same26 Sep 2024US 2024/0318426 A1
- Removal-facilitated anchor sealing device for box girder construction6 Jun 2024US 2024/0181675 A1Yantai University
- Method and device for producing concrete pile17 Nov 2022US 2022/0362967 A1Giken Ltd.
- Pre-stressed insulated concrete panels and methods for making and using the same10 Nov 2022US 2022/0356705 A1
- Method of producing a plurality of concrete cast elements7 Jul 2022US 2022/0212365 A1Voestalpine Railway Systems GmbH
Most cited
By later US patents
- Composite pre-stressed structural member and method of forming same32US 4,646,493 AKeith & Grossman Leasing Co. · 1987
- Prestressed concrete joist32US 5,671,573 ABoard of Regents, University of Nebraska-Lincoln · 1997
- Reinforced concrete panel and method of manufacture20US 6,443,666 B12002
- Apparatus and method for manufacturing prestressed concrete railway ties18US 4,102,957 ACanfarge LTD (Francon Division) · 1978
- Mold assembly for pre-stressed concrete railroad ties18US 4,812,113 A1989