B24B 33/02
Designed for working internal surfaces of revolution
Official title: designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
B24B33/02 (Designed for working internal surfaces of revolution) appears on 176 US grants and 154 published applications in this corpus.
Search patents in B24B- Granted patents
- 176
- Published applications
- 154
- Assignees
- 119
- Inventors
- 378
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 1 |
| 2002 | 0 | 2 |
| 2003 | 3 | 3 |
| 2004 | 4 | 3 |
| 2005 | 3 | 4 |
| 2006 | 2 | 5 |
| 2007 | 2 | 7 |
| 2008 | 5 | 5 |
| 2009 | 3 | 4 |
| 2010 | 1 | 13 |
| 2011 | 4 | 6 |
| 2012 | 10 | 9 |
| 2013 | 7 | 8 |
| 2014 | 6 | 5 |
| 2015 | 7 | 6 |
| 2016 | 5 | 10 |
| 2017 | 9 | 13 |
| 2018 | 6 | 8 |
| 2019 | 11 | 9 |
| 2020 | 5 | 9 |
| 2021 | 6 | 5 |
| 2022 | 5 | 8 |
| 2023 | 3 | 2 |
| 2024 | 6 | 3 |
| 2025 | 1 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Portable cutting machine6 May 2025US 12,290,960 B2Yamabiko Corporation
- Chamber components with polished internal apertures10 Dec 2024US 12,162,115 B2APPLIED Materials.Inc.
- Method and apparatus for forming a groove pattern on a cylindrical surface3 Dec 2024US 12,157,200 B2Mirka Ltd
- Method and device for fine machining cylindrical workpiece surfaces27 Aug 2024US 12,070,832 B2Microcut AG
- Method for producing rotationally symmetrical, non-cylindrical bores with a honing tool, and honing machine which is designed and equipped for making a cylindrical bore into a conical bore6 Aug 2024US 12,053,853 B2Gehring Technologies GmbH + Co. KG
- Workpiece holding device23 Apr 2026US 2026/0109001 A1Nissin ProSOL Co., Ltd.
- Honing device1 Jan 2026US 2026/0001187 A1
- Tool system with tool components for configuring honing tools and manufacturing process23 Oct 2025US 2025/0326082 A1Nagel Technologies GmbH
- Surface Processing Tool and Surface Processing Machine Equipped Therewith28 Aug 2025US 2025/0269485 A1H. Günther Falkenrich GmbH
- Honing tool with honing-stone-restoring system12 Jun 2025US 2025/0187134 A1KADIA Produktion GmbH + Co.
Most cited
By later US patents
- Method of fine-machining a workpiece surface to be supplied with a lubricant during operation of the workpiece54US 5,630,953 AMaschinenfabrik Gehring GmbH & Co. · 1997
- Method for preparing the internal surface of pipe31US 5,460,563 A1995
- Method of machining bore surface of cylinder block and apparatus therefor27US 5,931,038 AToyota Jidosha Kabushiki Kaisha · 1999
- Method for increasing wear resistance in an engine cylinder bore and improved automotive engine27US 6,328,026 B1The University of Tennessee Research Corporation · 2001
- Method and tool for machining the surfaces of workpieces26US 4,980,996 AMaschinenfabrik Gehring Gesellschaft mit beschrankter Haftung & Co. Kommanditgesellschaft · 1991