B28B 17/0027
Accessories for obtaining rubblestones
Official title: {Accessories for obtaining rubblestones}
B28B17/0027 (Accessories for obtaining rubblestones) appears on 72 US grants and 52 published applications in this corpus.
Search patents in B28B- Granted patents
- 72
- Published applications
- 52
- Assignees
- 14
- Inventors
- 49
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 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 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 1 |
| 2002 | 1 | 2 |
| 2003 | 3 | 4 |
| 2004 | 0 | 6 |
| 2005 | 4 | 4 |
| 2006 | 3 | 5 |
| 2007 | 1 | 1 |
| 2008 | 4 | 3 |
| 2009 | 2 | 0 |
| 2010 | 0 | 2 |
| 2011 | 3 | 6 |
| 2012 | 4 | 2 |
| 2013 | 2 | 4 |
| 2014 | 2 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 3 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Manufactured retaining wall block with improved false joint21 Oct 2025US 12,447,650 B2Pavestone, LLC
- Apparatus for making a masonry block with a roughened surface27 May 2025US 12,311,575 B2Pavestone, LLC
- Manufactured retaining wall block with improved false joint6 Aug 2024US 12,053,911 B2Pavestone, LLC
- Manufactured retaining wall block with improved false joint31 Oct 2023US 11,801,622 B2Pavestone, LLC
- Manufactured retaining wall block with improved false joint15 Jun 2021US 11,034,062 B2Pavestone, LLC
- Apparatus for making a masonry block with a roughened surface15 Jan 2026US 2026/0014735 A1Pavestone, LLC
- Mortarless brick15 May 2025US 2025/0154774 A1
- Manufactured retaining wall block with improved false joint2 May 2024US 2024/0140003 A1Pavestone, LLC
- Manufactured retaining wall block with improved false joint3 Aug 2023US 2023/0241810 A1Pavestone, LLC
- Adjustable locator retaining wall block and mold apparatus18 May 2023US 2023/0150174 A1Pavestone, LLC
Most cited
By later US patents
- Method, building structure and side-split block therefore187US 4,335,549 ADesigner Blocks, Inc. · 1982
- Composite masonry block173US 5,827,015 AAnchor Wall Systems, Inc. · 1998
- Method of forming concrete retaining wall block164US 5,484,236 AAllan Block Corporation · 1996
- Composite masonry block139US 5,294,216 AAnchor Wall Systems, Inc. · 1994
- Cast concrete block and method of making same123US 5,598,679 A1997