C04B 41/459
Temporary coatings or impregnations
Official title: {Temporary coatings or impregnations (C04B40/04 takes precedence)}
C04B41/459 (Temporary coatings or impregnations) appears on 37 US grants and 38 published applications in this corpus.
Search patents in C04B- Granted patents
- 37
- Published applications
- 38
- Assignees
- 41
- Inventors
- 122
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 3 |
| 2020 | 2 | 2 |
| 2021 | 0 | 5 |
| 2022 | 1 | 2 |
| 2023 | 5 | 3 |
| 2024 | 4 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing pillar-shaped honeycomb fired body17 Mar 2026US 12,577,175 B2NGK Insulators, Ltd.
- Article with surface structures for CMAS resistance2 Sep 2025US 12,404,218 B2ROLLS-ROYCE plc
- Ceramic member manufacturing method, ceramic green body, and ceramic member manufacturing system25 Mar 2025US 12,258,298 B2NGK Insulators, Ltd.
- Composite component modifications26 Nov 2024US 12,152,500 B2General Electric Company
- Method of curing reinforced concrete17 Sep 2024US 12,091,367 B2King Saud University
- Deposition of material onto ceramic matrix composites30 Jul 2026US 2026/0217617 A1Rtx Corporation
- Machined Preform from Flow Path Direction with Overwrap and Method21 May 2026US 2026/0139594 A1Rtx Corporation
- Ceramic substrate, ceramic circuit board, semiconductor device, method for producing slurry, and method for applying release agent1 Jan 2026US 2026/0001819 A1Niterra Materials Co., Ltd.
- Generating temperature inversion within a porous preform using microwaves for chemical vapor infiltration25 Sep 2025US 2025/0296890 A1
- Composite Component Modifications23 Jan 2025US 2025/0027414 A1General Electric Company
Most cited
By later US patents
- Si/SiC composite material and method for making Si/SiC composite material388US 5,494,439 AIntel Corporation · 1996
- Method of forming a patterned in-situ high Tc superconductive film59US 5,212,147 AHewlett-Packard Company · 1993
- Rotary seal for directional drilling tools46US 6,962,214 B2Schlumberger WCP LTD · 2005
- Method of forming membranes useful for separation of gases22US 5,160,352 ATexaco Inc. · 1992
- Method for making Si/SiC composite material9US 5,417,803 AIntel Corporation · 1995