B23B 2226/75
Stone, rock or concrete
B23B2226/75 (Stone, rock or concrete) appears on 162 US grants and 195 published applications in this corpus.
Search patents in B23B- Granted patents
- 162
- Published applications
- 195
- Assignees
- 74
- Inventors
- 323
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 7 |
| 2002 | 4 | 11 |
| 2003 | 10 | 11 |
| 2004 | 6 | 5 |
| 2005 | 5 | 8 |
| 2006 | 6 | 8 |
| 2007 | 5 | 7 |
| 2008 | 4 | 9 |
| 2009 | 7 | 10 |
| 2010 | 6 | 13 |
| 2011 | 5 | 4 |
| 2012 | 3 | 8 |
| 2013 | 2 | 5 |
| 2014 | 3 | 6 |
| 2015 | 8 | 3 |
| 2016 | 4 | 11 |
| 2017 | 4 | 10 |
| 2018 | 5 | 14 |
| 2019 | 12 | 8 |
| 2020 | 8 | 7 |
| 2021 | 8 | 4 |
| 2022 | 2 | 5 |
| 2023 | 6 | 5 |
| 2024 | 5 | 11 |
| 2025 | 3 | 1 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Drilling tool18 Aug 2026US 12,708,969 B2Robert Bosch GmbH
- Drill bit for percussion drilling or impact drilling use for cutting reinforcing steel in concrete7 Apr 2026US 12,594,656 B2Heller Tools GmbH
- One-piece cutting head for a drill bit17 Feb 2026US 12,551,954 B2Black & Decker Inc.
- Weep-hole drilling2 Dec 2025US 12,486,723 B2Concore BV
- Method for removing a portion of a structure3 Jun 2025US 12,318,850 B2Core Retention Equipment LLC
- Support assembly for a core drill3 Sep 2026US 2026/0257285 A1Western Saw Manufacturers, Inc.
- Masonry drill having five blades2 Jul 2026US 2026/0183848 A1Hilti Aktiengesellschaft
- Masonry drill head7 May 2026US 2026/0124787 A1Ceratizit Hard Material Solutions S.A R.L.
- Method for removing a portion of a structure23 Apr 2026US 2026/0108958 A1Core Retention Equipment LLC
- Weep-hole drilling4 Sep 2025US 2025/0277410 A1Concore BV
Most cited
By later US patents
- Drill bit, hard member, and bit body72US 6,595,305 B1Kennametal Inc. · 2003
- Drill bit blade for masonry and rock drill44US 4,984,944 AVermont American Corporation · 1991
- Drill bit for drilling rock43US 6,702,047 B2Ceratizit Austria Gesellschaft m. b. H. · 2004
- Cutting tools for drilling concrete, aggregate, masonry or the like materials41US 6,345,940 B2Black & Decker Inc. · 2002
- Hole saw with particle-aspirating accessory for hand drill38US 4,101,238 ARobert Bosch GmbH · 1978