B28B 21/10
Using compacting means
Official title: using compacting means
B28B21/10 (Using compacting means) appears on 103 US grants and 51 published applications in this corpus.
Search patents in B28B- Granted patents
- 103
- Published applications
- 51
- Assignees
- 68
- Inventors
- 151
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 4 |
| 2004 | 1 | 4 |
| 2005 | 1 | 5 |
| 2006 | 3 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 3 |
| 2011 | 1 | 4 |
| 2012 | 2 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 3 |
| 2015 | 1 | 1 |
| 2016 | 4 | 2 |
| 2017 | 2 | 1 |
| 2018 | 0 | 5 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pipe forming apparatus4 Feb 2025US 12,214,559 B2Nexgen Pipes Pte. Ltd.
- Method for producing concrete pipes15 Aug 2023US 11,724,417 B2
- Devices and processes for making concrete articles29 Nov 2022US 11,511,460 B2
- Composition and method for making geopolymer tubes28 Jun 2022US 11,370,705 B2Novoreach Technologies LLC
- Method of impregnating a fiber texture of hollow shape14 Sep 2021US 11,117,287 B2Safran Aircraft Engines
- Core wall-thinning design method for prestressed high-performance concrete cylinder pipe22 Jan 2026US 2026/0022072 A1Zhengzhou University
- Bellpacker vibration assembly15 Feb 2024US 2024/0051180 A1Besser Company
- Bellpacker vibration assembly1 Jun 2023US 2023/0167649 A1
- Pipe forming apparatus16 Mar 2023US 2023/0085379 A1Nexgen Pipes Pte. Ltd.
- Ceramic tube16 Dec 2021US 2021/0387919 A1KYOCERA Corporation
Most cited
By later US patents
- Self aligning concrete pipe with configured joint21US 4,565,381 A1986
- Concrete pipe making machine18US 4,708,621 AHawkeye Concrete Products Co. · 1987
- Acid resistant concrete articles, especially sulfur concrete pipes, and a method of manufacturing said articles18US 4,981,740 AKkkk A/S · 1991
- Machine and method for making concrete product17US 4,340,553 AHydrotile Machinery Company · 1982
- Packerhead pipe making machine16US 4,118,165 AHydrotile Canada Limited · 1978