B28D 1/186
Tools therefor
Official title: {Tools therefor, e.g. having exchangeable cutter bits (B28D1/181 takes precedence; bits for picks or pick-holders for mining or quarrying E21C35/18)}
B28D1/186 (Tools therefor) appears on 324 US grants and 290 published applications in this corpus.
Search patents in B28D- Granted patents
- 324
- Published applications
- 290
- Assignees
- 133
- Inventors
- 420
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 10 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 2 |
| 2003 | 5 | 8 |
| 2004 | 7 | 5 |
| 2005 | 1 | 7 |
| 2006 | 4 | 2 |
| 2007 | 3 | 8 |
| 2008 | 6 | 20 |
| 2009 | 5 | 14 |
| 2010 | 9 | 15 |
| 2011 | 19 | 9 |
| 2012 | 6 | 7 |
| 2013 | 15 | 11 |
| 2014 | 5 | 12 |
| 2015 | 12 | 22 |
| 2016 | 17 | 12 |
| 2017 | 5 | 9 |
| 2018 | 10 | 18 |
| 2019 | 18 | 22 |
| 2020 | 17 | 18 |
| 2021 | 16 | 13 |
| 2022 | 9 | 15 |
| 2023 | 10 | 7 |
| 2024 | 11 | 10 |
| 2025 | 11 | 15 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Non-rotating bit for cutting tool22 Sep 2026US 12,741,396 B2Caterpillar Paving Products Inc.
- Bit holder insertion and extraction system28 Jul 2026US 12,692,789 B1The Sollami Company
- Cutting tool mounting assembly with split, modular and wireless wear detection system16 Jun 2026US 12,654,230 B2Kennametal Inc.
- Device for milling in particular rock and other materials2 Jun 2026US 12,644,383 B2CONTEC—Maschinenbau—& Entwicklungstechnik GmbH
- Pavement grinding drum having modular bit mountings5 May 2026US 12,618,205 B2Graco Minnesota Inc.
- Material removal manufacture, assembly, and method of assembly1 Oct 2026US 2026/0297868 A1Dynatech Systems, Inc.
- Saw blade assembly for a floor milling tool24 Sep 2026US 2026/0284933 A1Husqvarna AB
- Pavement grinding drum having modular bit mountings13 Aug 2026US 2026/0234878 A1Graco Minnesota Inc.
- Modular carbide tooling, hard and exotic materials combined with holders of different materials with options for wear and protection and machine tie30 Jul 2026US 2026/0218611 A1Kennametal Inc.
- Non-rotating bit for cutting tool30 Apr 2026US 2026/0115967 A1Caterpillar Paving Products Inc.
Most cited
By later US patents
- Cutting elements for rotary drill bits409US 5,135,061 A1992
- Sintered polycrystalline diamond compact construction with integral heat sink212US 4,605,343 AGeneral Electric Company · 1986
- Wear collar device for rotatable cutter bit171US 4,489,986 A1984
- Bit holders and bit blocks for road milling, mining and trenching equipment163US 6,371,567 B1The Sollami Company · 2002
- Streamlining bit assemblies for road milling, mining and trenching equipment157US 6,685,273 B1The Sollami Company · 2004