B23H 9/00
Machining specially adapted for treating particular metal objects or for obtaining special
Official title: Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects (heat treatment by cathodic discharge C21D1/38)
B23H9/00 (Machining specially adapted for treating particular metal objects or for obtaining special) appears on 1,140 US grants and 958 published applications in this corpus.
Search patents in B23H- Granted patents
- 1,140
- Published applications
- 958
- Assignees
- 558
- Inventors
- 2,462
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 10 | 0 |
| 1978 | 8 | 0 |
| 1979 | 6 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 12 | 0 |
| 1984 | 13 | 0 |
| 1985 | 11 | 0 |
| 1986 | 8 | 0 |
| 1987 | 18 | 0 |
| 1988 | 23 | 0 |
| 1989 | 19 | 0 |
| 1990 | 11 | 0 |
| 1991 | 38 | 0 |
| 1992 | 21 | 0 |
| 1993 | 22 | 0 |
| 1994 | 26 | 0 |
| 1995 | 11 | 0 |
| 1996 | 13 | 0 |
| 1997 | 18 | 0 |
| 1998 | 17 | 0 |
| 1999 | 29 | 0 |
| 2000 | 17 | 0 |
| 2001 | 32 | 11 |
| 2002 | 34 | 27 |
| 2003 | 34 | 29 |
| 2004 | 38 | 44 |
| 2005 | 26 | 46 |
| 2006 | 25 | 32 |
| 2007 | 23 | 35 |
| 2008 | 11 | 36 |
| 2009 | 16 | 42 |
| 2010 | 18 | 46 |
| 2011 | 24 | 43 |
| 2012 | 41 | 32 |
| 2013 | 24 | 38 |
| 2014 | 32 | 36 |
| 2015 | 30 | 59 |
| 2016 | 34 | 56 |
| 2017 | 41 | 53 |
| 2018 | 39 | 40 |
| 2019 | 52 | 52 |
| 2020 | 39 | 32 |
| 2021 | 27 | 31 |
| 2022 | 34 | 34 |
| 2023 | 22 | 38 |
| 2024 | 21 | 28 |
| 2025 | 28 | 20 |
| 2026 | 9 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Core block for motor, and method for producing core block for motor8 Sep 2026US 12,732,072 B2Fanuc Corporation
- Force and torque sensor with overload structure and method for manufacturing21 Jul 2026US 12,687,441 B2Forcen Inc.
- Stator vane segment for aircraft engine and method of producing the same14 Jul 2026US 12,680,461 B1Pratt & Whitney Canada Corp.
- Wire electrical discharge machine16 Jun 2026US 12,654,246 B2Agie Charmilles SA
- Manufacturing device for electrochemical machining of a component, in particular a turbine component, method for electrochemical machining of a component, and component5 May 2026US 12,617,033 B2MTU Aero Engines AG
- Method for manufacturing component of pressure sensor1 Oct 2026US 2026/0295701 A1TDK Corporation
- Electrochemical machining apparatuses for thin metal strips and machining methods thereof24 Sep 2026US 2026/0284765 A1Taiyuan University of Technology
- Method for producing an embossing tool for bipolar plates and embossing tool20 Aug 2026US 2026/0241432 A1ElringKlinger AG
- Small-hole electrical discharge machine6 Aug 2026US 2026/0225168 A1Elenix, Inc.
- Device and method for electrochemical machining6 Aug 2026US 2026/0225169 A1MTU Aero Engines AG
Most cited
By later US patents
- Self-retaining anchor track and method of making and using same386US 6,149,653 A2000
- Curved bore drilling apparatus266US 5,002,546 A1991
- Implantable orthopedic prosthesis having tissue attachment surface and method of manufacture153US 6,127,596 ASulzer Orthopedics Inc. · 2000
- Low-pressure turbine shroud124US 5,188,507 AGeneral Electric Company · 1993
- Method for a shaping of polycrystalline synthetic diamond108US 4,387,287 ADiamond SA · 1983