B23C 3/023
Milling spherical surfaces
Official title: {Milling spherical surfaces}
B23C3/023 (Milling spherical surfaces) appears on 14 US grants and 12 published applications in this corpus.
Search patents in B23C- Granted patents
- 14
- Published applications
- 12
- Assignees
- 16
- Inventors
- 32
- Latest grant
- 30 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method and device for milling large-diameter aspheric surface by using splicing method and polishing method30 Apr 2024US 11,969,805 B2Soochow University
- Machining ball tracks and guide webs of an inner joint part20 Sep 2022US 11,446,748 B2GKN Driveline Deutschland GmbH
- Method of manufacturing a ball member usable in ball valves and other flow control devices22 Jan 2019US 10,183,364 B2Chromatic Industries, Inc.
- Double offset ball member usable in ball valves and other flow control applications20 Sep 2016US 9,446,485 B2
- Double offset ball member usable in ball valves and other flow control applications24 Feb 2015US 8,960,643 B2
- Dimple Processing Method13 Oct 2022US 2022/0324036 A1Kanefusa Kabushiki Kaisha
- Method and device for milling large-diameter aspheric surface by using splicing method and polishing method23 Jun 2022US 2022/0193795 A1Soochow University
- Machining ball tracks and guide webs of a joint inner part20 Feb 2020US 2020/0055127 A1GKN Driveline Deutschland GmbH
- Method of manufacturing a ball member usable in ball valves and other flow control devices4 Jun 2015US 2015/0151389 A1Chromatic Industries, Inc.
- Double offset ball member usable in ball valves and other flow control applications4 Jun 2015US 2015/0152968 A1Chromatic Industries, Inc.
Most cited
By later US patents
- Spherical seat cutting apparatus14US 6,220,794 B1Carboloy Inc. · 2001
- Method and device for the surface machining of workpieces composed of non-brittle materials in optical lens manufacturing and tool for this purpose9US 6,991,525 B2Loh Optikmaschinen AG · 2006
- Indexable spherical seat cutter8US 5,232,317 AJ. P. Tool, Inc. · 1993
- Double offset ball member usable in ball valves and other flow control applications3US 8,960,643 B22015
- Method of manufacturing a microlens array mold and a microlens array2US 6,476,971 B1Eastman Kodak Company · 2002