C04B 41/4501
With preformed sheet-like elements
Official title: {with preformed sheet-like elements}
C04B41/4501 (With preformed sheet-like elements) appears on 36 US grants and 56 published applications in this corpus.
Search patents in C04B- Granted patents
- 36
- Published applications
- 56
- Assignees
- 43
- Inventors
- 139
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 0 | 3 |
| 2017 | 0 | 3 |
| 2018 | 2 | 4 |
| 2019 | 2 | 2 |
| 2020 | 3 | 7 |
| 2021 | 6 | 4 |
| 2022 | 6 | 4 |
| 2023 | 2 | 4 |
| 2024 | 3 | 5 |
| 2025 | 4 | 8 |
| 2026 | 3 | 2 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fibrous preform of a friction part18 Aug 2026US 12,709,580 B2Safran Landing Systems
- Method for repairing ceramic composite components18 Aug 2026US 12,709,581 B2General Electric Company
- Method for manufacturing silicon nitride substrate14 Jul 2026US 12,679,774 B2Oci Company Ltd.
- Structure protection sheet, concrete block, and method for manufacturing reinforced structure29 Jul 2025US 12,371,378 B2Keiwa Inc.
- Protective coating for ceramic matrix composites8 Jul 2025US 12,351,531 B2Rtx Corporation
- Bonded reinforced plastic concrete vapor barrier8 Oct 2026US 2026/0308074 A1Helix Steel, LLC
- Method for repairing ceramic composite components9 Jul 2026US 2026/0193142 A1General Electric Company
- Structure Protection Sheet, Concrete Block, and Method for Manufacturing Reinforced Structure30 Oct 2025US 2025/0333360 A1Keiwa Inc.
- Protective Coating for Ceramic Matrix Composites30 Oct 2025US 2025/0333362 A1Rtx Corporation
- Method for producing artificial stone slabs and relative slab16 Oct 2025US 2025/0320162 A1LAMINAM S.p.A.
Most cited
By later US patents
- Gold-containing nanoporous aluminum oxide membranes a process for their production and their use34US 6,180,222 B2Cerdec Aktiengesellschaft Keramische Farben · 2001
- Methods for repairing barrier coatings21US 8,173,206 B2General Electric Company · 2012
- Method of conforming an adherent film to a substrate by application of vacuum15US 6,872,268 B23M Innovative Properties Company · 2005
- Polyacrylic acid copolymer emulsion, organic-inorganic composite waterproof coating, preparation method thereof and waterproof coiled material4US 10,487,215 B2Beijing Oriental Yuhong Waterproof Technology Co. Ltd. · 2019
- Ceramic matrix composite vane with hybrid construction4US 11,434,177 B2ROLLS-ROYCE plc · 2022