B23B 2220/04
Chamferring
Official title: Chamferring (B23B2220/28 takes precedence)
B23B2220/04 (Chamferring) appears on 45 US grants and 58 published applications in this corpus.
Search patents in B23B- Granted patents
- 45
- Published applications
- 58
- Assignees
- 32
- Inventors
- 94
- Latest grant
- 3 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 8 |
| 2016 | 2 | 10 |
| 2017 | 6 | 11 |
| 2018 | 9 | 5 |
| 2019 | 12 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 4 | 3 |
| 2023 | 2 | 2 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Tools and methods for refacing tubular ends forming a threaded connection3 Sep 2024US 12,076,798 B2National Oilwell Varco, L. P.
- Hole chamfering device5 Sep 2023US 11,745,274 B2CITIC Dicastal Co., Ltd.
- Hole chamfering device30 May 2023US 11,660,686 B2CITIC Dicastal Co., Ltd.
- Interchangeable cutting inserts and methods associated with the same27 Sep 2022US 11,453,060 B2Illinois Tool Works Inc.
- Interchangeable cutting inserts and methods associated with the same23 Aug 2022US 11,420,266 B2Illinois Tool Works Inc.
- Tool and method for machining a workpiece29 Jan 2026US 2026/0027626 A1Hartmetall-Werkzeugfabrik Paul Horn GmbH
- Tool26 Sep 2024US 2024/0316650 A1Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG
- Method of machining holes and chamfers in ceramic matrix composites25 Jan 2024US 2024/0024963 A1Rolls-Royce High Temperature Composites Inc.
- Tools and Methods for Refacing Tubular Ends Forming a Threaded Connection12 Oct 2023US 2023/0321735 A1National Oilwell Varco, L. P.
- Systems and Methods for Conduit Deburr23 Mar 2023US 2023/0087647 A1
Most cited
By later US patents
- External deburring tool12US 10,293,410 B22019
- Drilling tool and method for producing port seals10US 7,632,050 B2Allied Machine & Engineering Corp. · 2009
- Core drill8US 8,100,612 B2Kabushiki Kaisha Miyanaga · 2012
- Indexable insert and cutting tool having indexable insert6US 6,244,789 B1KYOCERA Corporation · 2001
- Drilling apparatus and method6US 9,533,359 B2BAE SYSTEMS plc · 2017