B23P 9/00
Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist
Official title: Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings (treatment covered by a single other subclass, see the relevant subclass, e.g. B24C, C21D7/00, C22F1/00); Features of such surfaces not otherwise provided for, their treatment being unspecified
B23P9/00 (Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist) appears on 475 US grants and 437 published applications in this corpus.
Search patents in B23P- Granted patents
- 475
- Published applications
- 437
- Assignees
- 275
- Inventors
- 1,046
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 6 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 2 |
| 2002 | 7 | 15 |
| 2003 | 6 | 14 |
| 2004 | 16 | 11 |
| 2005 | 7 | 22 |
| 2006 | 13 | 17 |
| 2007 | 9 | 19 |
| 2008 | 9 | 19 |
| 2009 | 8 | 12 |
| 2010 | 12 | 22 |
| 2011 | 15 | 22 |
| 2012 | 14 | 17 |
| 2013 | 21 | 27 |
| 2014 | 14 | 15 |
| 2015 | 19 | 28 |
| 2016 | 15 | 12 |
| 2017 | 18 | 18 |
| 2018 | 23 | 22 |
| 2019 | 15 | 19 |
| 2020 | 14 | 23 |
| 2021 | 14 | 21 |
| 2022 | 16 | 18 |
| 2023 | 15 | 10 |
| 2024 | 17 | 11 |
| 2025 | 11 | 15 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Roller scraper for scraping physical media elements2 Jun 2026US 12,643,032 B1Jackpocket LLC
- Apparatus and method for refining a ball joint stud21 Apr 2026US 12,607,222 B2Musashi Auto Parts Canada Inc.
- Cavitation surface processing nozzle and cavitation surface processing apparatus13 Jan 2026US 12,521,824 B2Sugino Machine Limited
- Coldwork holes with seamless sleeve and uniform expansion30 Dec 2025US 12,508,637 B1
- Method for hardening a bridge assembly of a rotational body16 Dec 2025US 12,500,494 B2Schaeffler Technologies AG & Co. KG
- Vibration-chiseling machining method11 Jun 2026US 2026/0158570 A1Tsinghua University
- Peening system for inner surface of hollow spiral extension member and method for peening of hollow spiral extension member using the same30 Apr 2026US 2026/0115864 A1Industry-Academic Cooperation Foundation, Dankook University
- Friction drilled spray header16 Apr 2026US 2026/0102780 A1
- Apparatus and related methods for repairing machine parts using a hybrid pre-heating system26 Mar 2026US 2026/0084211 A1Rtx Corporation
- Method for multi-field coupling strengthening of an ice skate blade edge29 Jan 2026US 2026/0027609 A1Avic Manufacturing Technology Institute
Most cited
By later US patents
- Apparatus for processing welded joint parts of pipes109US 4,491,001 AKawasaki Jukogyo Kabushiki Kaisha · 1985
- Apparatus for surface treatment by impact104US 6,343,495 B12002
- Cushioned fastener joint84US 4,405,256 A1983
- Method of forming a coldworked joint80US 4,164,807 A1979
- Ultrasonic impact methods for treatment of welded structures76US 6,338,765 B12002