C04B 2237/52
Pre-treatment of the joining surfaces
Official title: Pre-treatment of the joining surfaces, e.g. cleaning, machining
C04B2237/52 (Pre-treatment of the joining surfaces) appears on 355 US grants and 265 published applications in this corpus.
Search patents in C04B- Granted patents
- 355
- Published applications
- 265
- Assignees
- 243
- Inventors
- 909
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 12 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 12 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 4 |
| 2002 | 6 | 15 |
| 2003 | 9 | 11 |
| 2004 | 11 | 4 |
| 2005 | 3 | 13 |
| 2006 | 5 | 9 |
| 2007 | 2 | 7 |
| 2008 | 6 | 6 |
| 2009 | 5 | 5 |
| 2010 | 3 | 17 |
| 2011 | 3 | 7 |
| 2012 | 6 | 11 |
| 2013 | 13 | 16 |
| 2014 | 7 | 13 |
| 2015 | 9 | 11 |
| 2016 | 9 | 14 |
| 2017 | 11 | 14 |
| 2018 | 13 | 13 |
| 2019 | 8 | 12 |
| 2020 | 12 | 12 |
| 2021 | 8 | 8 |
| 2022 | 7 | 12 |
| 2023 | 9 | 11 |
| 2024 | 14 | 6 |
| 2025 | 9 | 8 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for repairing ceramic composite components18 Aug 2026US 12,709,581 B2General Electric Company
- Bonded substrate14 Jul 2026US 12,679,778 B2NGK Insulators, Ltd.
- Wavelength conversion module, light emission device, and method for manufacturing wavelength conversion module10 Mar 2026US 12,571,519 B2Nichia Corporation
- Joined body3 Feb 2026US 12,539,690 B2NGK Insulators, Ltd.
- Ceramic joint body, method for manufacturing ceramic joint body, stator for flow channel switching valve, and flow channel switching valve23 Dec 2025US 12,503,402 B2KYOCERA Corporation
- Composite substrate and device6 Aug 2026US 2026/0226657 A1NGK Insulators, Ltd.
- Laser etched ceramic-containing materials30 Jul 2026US 2026/0217611 A1Rtx Corporation
- Corrosion resistant power electronic modules30 Jul 2026US 2026/0223709 A1Rockwell Automation Technologies, Inc.
- Bonded substrate and method for producing bonded substrate23 Jul 2026US 2026/0209129 A1The Japan Steel Works, Ltd.
- Method for repairing ceramic composite components9 Jul 2026US 2026/0193142 A1General Electric Company
Most cited
By later US patents
- Halogen gas plasma-resistive members and method for producing the same, laminates, and corrosion-resistant members455US 6,783,875 B2NGK Insulators, Ltd. · 2004
- Multilayer coated abrasive element for bonding to a backing162US 5,049,164 ANorton Company · 1991
- Fabrication of supported polycrystalline abrasive compacts158US 4,944,772 AGeneral Electric Company · 1990
- Living hard tissue replacement, its preparation127US 5,125,971 ATDK Corporation · 1992
- Composite compact components fabricated with high temperature brazing filler metal and method for making same110US 4,225,322 AGeneral Electric Company · 1980