B28B 7/285
Core puller
Official title: {Core puller}
B28B7/285 (Core puller) appears on 29 US grants and 37 published applications in this corpus.
Search patents in B28B- Granted patents
- 29
- Published applications
- 37
- Assignees
- 20
- Inventors
- 50
- Latest grant
- 13 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 1 | 0 |
| 1994 | 0 | 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 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 4 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 3 | 1 |
| 2012 | 2 | 3 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 5 |
| 2016 | 4 | 1 |
| 2017 | 2 | 3 |
| 2018 | 2 | 3 |
| 2019 | 1 | 2 |
| 2020 | 3 | 2 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mold assembly for molding two concrete blocks and method of manufacturing concrete blocks13 Aug 2024US 12,059,821 B2E. Dillon & Company
- Method of producing insulator for spark plug11 Oct 2022US 11,465,314 B2Denso Corporation
- Mold assembly for molding two concrete blocks and method of manufacturing concrete blocks19 Jul 2022US 11,389,989 B2E. Dillon & Company
- Method for manufacturing a curable, slab-like light-conducting body, mold for carrying out the method and a light-conducting body produced in accordance with the method30 Mar 2021US 10,960,573 B2
- Method and mold for manufacturing an interlocking concrete retaining wall block1 Sep 2020US 10,760,267 B2Risi Stone Inc.
- Mandrel extraction system and method5 Mar 2026US 2026/0061666 A1Rtx Corporation
- Precast concrete pipe coupling and system and method for manufacturing the same13 Feb 2025US 2025/0050537 A1
- Concrete block with smooth texture front face30 Jan 2025US 2025/0033244 A1E. Dillon & Company
- Mold insert member, method, and mold for mitigating malformation of interlocking retaining wall blocks, and retaining wall blocks produced thereby21 Mar 2024US 2024/0091984 A1Risi Stone Inc.
- Mold assembly for molding two concrete blocks and method of manufacturing concrete blocks6 Oct 2022US 2022/0314490 A1E. Dillon & Company
Most cited
By later US patents
- Method for making antiqued concrete cored bricks and capping bricks119US 5,183,616 AHedrick Concrete Products Corp. · 1993
- Method of forming a concrete retaining wall block in a front face up position18US 6,773,642 B12004
- Masonry unit manufacturing method12US 7,687,005 B2E. Dillon & Company · 2010
- Machine for manufacturing concrete U-wall type construction blocks by molding each concrete U-wall construction block from concrete poured about a block cage made from reinforcing material while said block cage is loaded within said machine7US 8,888,481 B2Concrete Systems, Inc. · 2014
- Molded concrete U-wall construction block employing a metal reinforcement cage having stem reinforcement portions with open apertures formed therein for multiple purposes5US 10,053,832 B2Concrete Systems, Inc. · 2018