B23H 7/36
Supply or regeneration of working media
B23H7/36 (Supply or regeneration of working media) appears on 70 US grants and 72 published applications in this corpus.
Search patents in B23H- Granted patents
- 70
- Published applications
- 72
- Assignees
- 27
- Inventors
- 152
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 2 |
| 2003 | 4 | 0 |
| 2004 | 3 | 4 |
| 2005 | 3 | 3 |
| 2006 | 1 | 2 |
| 2007 | 2 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 3 |
| 2013 | 1 | 4 |
| 2014 | 4 | 3 |
| 2015 | 3 | 9 |
| 2016 | 2 | 5 |
| 2017 | 4 | 5 |
| 2018 | 6 | 3 |
| 2019 | 4 | 7 |
| 2020 | 5 | 3 |
| 2021 | 1 | 5 |
| 2022 | 5 | 2 |
| 2023 | 3 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Micro-electric discharge milling machine with spark control10 Mar 2026US 12,569,923 B1King Saud University
- Opening maching apparatus for heat transfer tube, method of forming opening in tube wall of heat transfer tube using same, and method of removing foreign material through same opening of same heat transfer tube2 Dec 2025US 12,485,462 B2Doosan Enerbility Co., Ltd.
- Device for holding one or more electrode(s) for electrical discharge machining, and method of obtaining same25 Jul 2023US 11,707,793 B2Safran
- Electric discharge machine30 May 2023US 11,660,693 B2Sodick Co., Ltd.
- Device and method for electrochemically processing a material17 Jan 2023US 11,554,432 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Electrical discharge machine14 Mar 2024US 2024/0082937 A1Fanuc Corporation
- Lifetime prediction device and machine tool24 Aug 2023US 2023/0264282 A1Fanuc Corporation
- Opening maching apparatus for heat transfer tube, method of forming opening in tube wall of heat transfer tube using same, and method of removing foreign material through same opening of same heat transfer tube6 Oct 2022US 2022/0314284 A1Doosan Heavy Industries & Constructon Co., LTD
- Electrical discharge machine14 Apr 2022US 2022/0111456 A1Sodick Co., Ltd.
- Electric discharge machine14 Oct 2021US 2021/0316381 A1Sodick Co., Ltd.
Most cited
By later US patents
- Electrical discharge machine26US 5,175,408 AFanuc Corporation · 1992
- Small hole electrical discharge machining method and small hole electrical discharge machining apparatus19US 6,576,858 B1Elenix, Inc. · 2003
- Fluid pumping control method and apparatus for machine tools13US 4,208,256 AInoue-Japax Research Incorporated · 1980
- Wire electric discharge machine12US 6,344,624 B12002
- Method of and apparatus for increasing the productivity of an electroerosion drill11US 5,739,497 A1998