B23C 3/16
Working surfaces curved in two directions
B23C3/16 (Working surfaces curved in two directions) appears on 202 US grants and 224 published applications in this corpus.
Search patents in B23C- Granted patents
- 202
- Published applications
- 224
- Assignees
- 153
- Inventors
- 493
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 1 |
| 2003 | 2 | 3 |
| 2004 | 0 | 4 |
| 2005 | 4 | 4 |
| 2006 | 3 | 7 |
| 2007 | 4 | 9 |
| 2008 | 3 | 8 |
| 2009 | 6 | 12 |
| 2010 | 9 | 10 |
| 2011 | 3 | 8 |
| 2012 | 7 | 1 |
| 2013 | 6 | 16 |
| 2014 | 13 | 5 |
| 2015 | 6 | 18 |
| 2016 | 8 | 13 |
| 2017 | 11 | 6 |
| 2018 | 15 | 10 |
| 2019 | 3 | 13 |
| 2020 | 6 | 14 |
| 2021 | 17 | 15 |
| 2022 | 8 | 12 |
| 2023 | 9 | 14 |
| 2024 | 11 | 9 |
| 2025 | 8 | 9 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Machine for processing of lenses, preferably in plastic material14 Jul 2026US 12,678,904 B2Costruzioni Meccaniche E Technologiche S.R.L.
- Dental machining system for generating process parameters of the machining5 May 2026US 12,616,560 B2DENTSPLY SIRONA Inc.
- Method for manufacturing a turbomachine blade21 Apr 2026US 12,607,127 B2Safran Aircraft Engines
- Forming stylus tool design and toolpath generation module for 3 axis computer numerical control manufacturing processes7 Apr 2026US 12,596,345 B2The Boeing Company
- Impeller of centrifugal compressor, centrifugal compressor including the impeller, and method for producing the impeller25 Nov 2025US 12,480,524 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Methods, Systems, and Devices for Making One or More Surgical Guides30 Jul 2026US 2026/0215832 A1
- Scroll vacuum pump and method for producing a scroll vacuum pump15 Jan 2026US 2026/0016009 A1Pfeiffer Vacuum Technology AG
- Universal milling machine assembly tool9 Oct 2025US 2025/0312857 A1
- Universal milling machine assembly tool18 Sep 2025US 2025/0289067 A1
- Subtractive manufacturing of gyroid structures24 Jul 2025US 2025/0235937 A1
Most cited
By later US patents
- Golf club head with a variable thickness face284US 7,338,388 B2Karsten Manufacturing Corporation · 2008
- Method of manufacturing a golf club head with a variable thickness face217US 7,584,531 B2Karsten Manufacturing Corporation · 2009
- Long bar member machining apparatus59US 5,964,016 AKawasaki Jukogyo Kabushiki Kaisha · 1999
- Step milling process43US 6,077,002 AGeneral Electric Company · 2000
- Method for machining airfoils32US 5,055,752 AUnited Technologies Corporation · 1991