F41H 5/0421
Ceramic layers in combination with metal layers
Official title: {Ceramic layers in combination with metal layers}
F41H5/0421 (Ceramic layers in combination with metal layers) appears on 142 US grants and 151 published applications in this corpus.
Search patents in F41H- Granted patents
- 142
- Published applications
- 151
- Assignees
- 128
- Inventors
- 349
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 3 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 3 | 7 |
| 2007 | 2 | 6 |
| 2008 | 1 | 7 |
| 2009 | 7 | 10 |
| 2010 | 5 | 10 |
| 2011 | 7 | 13 |
| 2012 | 12 | 17 |
| 2013 | 5 | 9 |
| 2014 | 9 | 15 |
| 2015 | 9 | 12 |
| 2016 | 9 | 5 |
| 2017 | 9 | 4 |
| 2018 | 1 | 2 |
| 2019 | 6 | 9 |
| 2020 | 3 | 5 |
| 2021 | 6 | 7 |
| 2022 | 4 | 2 |
| 2023 | 4 | 3 |
| 2024 | 3 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Additively manufactured armor and method for making the same29 Jul 2025US 12,372,332 B2The Boeing Company
- Impact resistant material8 Jul 2025US 12,352,535 B2
- Methods and systems for processing glass and methods for reinforcing glass products11 Jun 2024US 12,006,243 B2LCRT Pty Ltd
- Multi-threat mitigation security apparatus for protecting personnel, assets and critical infrastructure11 Jun 2024US 12,006,726 B2ThreatSTOP, Inc.
- Armored plate assembly2 Jan 2024US 11,859,952 B1Ambitec Inc.
- Impact Resistant Material25 Sep 2025US 2025/0297834 A1
- Additively manufactured armor and method for making the same7 Dec 2023US 2023/0392903 A1The Boeing Company
- Hybrid armor assembly26 Oct 2023US 2023/0341214 A1Armored Republic Holdings, LLC
- Multi-threat mitigation security apparatus for protecting personnel, assets and critical infrastructure28 Sep 2023US 2023/0304314 A1ThreatSTOP, Inc.
- Ballistic protection material15 Dec 2022US 2022/0397373 A1Advanced Matrix Composite Systems Limited
Most cited
By later US patents
- Impact absorbing armor151US 5,349,893 A1994
- Impact resistant clad composite armor and method for forming such armor117US 4,987,033 ADynamet Technology, Inc. · 1991
- Bulletproof lightweight metal matrix macrocomposites with controlled structure and manufacture the same105US 6,635,357 B22003
- Protective wall structure92US 3,969,563 A1976
- Ceramic array armor83US 6,532,857 B1Ceradyne, Inc. · 2003