B24B 31/006
Machines or devices designed for polishing or abrading surfaces on work by
Official title: {for grinding the interior surfaces of hollow workpieces}
B24B31/006 (Machines or devices designed for polishing or abrading surfaces on work by) appears on 36 US grants and 43 published applications in this corpus.
Search patents in B24B- Granted patents
- 36
- Published applications
- 43
- Assignees
- 39
- Inventors
- 104
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 6 |
| 2017 | 1 | 5 |
| 2018 | 3 | 2 |
| 2019 | 5 | 9 |
| 2020 | 4 | 3 |
| 2021 | 2 | 0 |
| 2022 | 5 | 4 |
| 2023 | 1 | 3 |
| 2024 | 3 | 0 |
| 2025 | 0 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Abrasive flow machining process for a meridionally divided turbine housing, and a masking fixture used in said process11 Aug 2026US 12,703,064 B2Garrett Transportation I Inc.
- Chamber components with polished internal apertures10 Dec 2024US 12,162,115 B2APPLIED Materials.Inc.
- Controllable magnetic field-assisted finishing apparatus for inner surface and method25 Jun 2024US 12,017,319 B2Shandong University of Technology
- Abrasive flow machining method and article9 Apr 2024US 11,951,586 B2Rtx Corporation
- Chamber components with polished internal apertures15 Aug 2023US 11,724,353 B2APPLIED Materials.Inc.
- Abrasive flow polishing device and method for polishing of inner surface of slender tubes27 Aug 2026US 2026/0249417 A1Dalian University of Technology
- Polishing device and polishing method4 Dec 2025US 2025/0367781 A1Aecc Shanghai Commercial Aircraft Engine Manufacturing Co., Ltd.
- Flexible spindle polishing15 May 2025US 2025/0153307 A1
- Multi-fields assisted abrasive scouring polishing method and device24 Apr 2025US 2025/0128379 A1Dalian University of Technology
- Abrasive flow machining process for a meridionally divided turbine housing, and a masking fixture used in said process7 Dec 2023US 2023/0390896 A1Garrett Transportation I Inc.
Most cited
By later US patents
- System and method for cleaning gas turbine engine components24US 10,323,539 B2General Electric Company · 2019
- Method and apparatus for peening the internal surface of a non-ferromagnetic hollow part14US 5,950,470 AUnited Technologies Corporation · 1999
- Method for peening the internal surface of a hollow part13US 6,170,308 B2United Technologies Corporation · 2001
- Method and apparatus for removing a predetermined amount of material from a bottom portion of a dovetail slot in gas turbine engine disk9US 6,780,089 B2General Electric Company · 2004
- Abrasive flow machining apparatus and method9US 6,905,395 B2Extrude Hone Corporation · 2005