B23B 2228/36
Multi-layered
B23B2228/36 (Multi-layered) appears on 80 US grants and 113 published applications in this corpus.
Search patents in B23B- Granted patents
- 80
- Published applications
- 113
- Assignees
- 62
- Inventors
- 236
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 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 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 4 |
| 2007 | 0 | 2 |
| 2008 | 4 | 5 |
| 2009 | 2 | 4 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 2 | 1 |
| 2013 | 2 | 2 |
| 2014 | 2 | 3 |
| 2015 | 3 | 7 |
| 2016 | 4 | 7 |
| 2017 | 8 | 18 |
| 2018 | 8 | 5 |
| 2019 | 6 | 10 |
| 2020 | 12 | 6 |
| 2021 | 6 | 3 |
| 2022 | 8 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 10 |
| 2025 | 3 | 9 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cutting tool29 Sep 2026US 12,746,603 B2Sumitomo Electric Industries, Ltd.
- Cutting tools23 Jun 2026US 12,661,717 B2Sumitomo Electric Hardmetal Corp.
- Methods for making cutting tool inserts using protective coatings16 Dec 2025US 12,497,701 B2P&S Global Holdings LLC
- Tool with wear detection2 Dec 2025US 12,485,491 B2Guehring KG
- Cutting tool28 Oct 2025US 12,454,010 B1Sumitomo Electric Industries, Ltd.
- Vibration damped cutter holder27 Aug 2026US 2026/0249363 A1National Chung Hsing University
- Coated cutting tool13 Aug 2026US 2026/0233312 A1MOLDINO Tool Engineering, Ltd.
- Coated cutting tool23 Jul 2026US 2026/0208271 A1Walter AG
- Coated cutting tool16 Jul 2026US 2026/0199986 A1AB Sandvik Coromant
- Cutting tool2 Jul 2026US 2026/0183846 A1Sumitomo Electric Hardmetal Corp.
Most cited
By later US patents
- Multilayer coated cemented carbide cutting insert87US 4,984,940 AKennametal Inc. · 1991
- High hardness/high compressive stress multilayer coated tool45US 5,075,181 ABalzers Aktiengesellschaft · 1991
- Drilling device21US 7,347,651 B2Airbus Deutschland GmbH · 2008
- Cutter for drilling and reaming15US 8,714,890 B2The Boeing Company · 2014
- Tool and method for machining fiber-reinforced materials12US 10,099,297 B2CemeCon AG · 2018