C04B 35/657
For manufacturing refractories
Official title: for manufacturing refractories (C04B35/05, C04B35/107, C04B35/484 take precedence)
C04B35/657 (For manufacturing refractories) appears on 166 US grants and 189 published applications in this corpus.
Search patents in C04B- Granted patents
- 166
- Published applications
- 189
- Assignees
- 90
- Inventors
- 394
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 1 | 1 |
| 2012 | 2 | 0 |
| 2013 | 3 | 8 |
| 2014 | 6 | 2 |
| 2015 | 3 | 6 |
| 2016 | 4 | 4 |
| 2017 | 4 | 11 |
| 2018 | 10 | 22 |
| 2019 | 9 | 18 |
| 2020 | 15 | 15 |
| 2021 | 16 | 14 |
| 2022 | 5 | 13 |
| 2023 | 18 | 22 |
| 2024 | 16 | 18 |
| 2025 | 10 | 11 |
| 2026 | 9 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Particle enhancement of ceramic matrix composites, method of manufacture thereof and articles comprising the same2 Jun 2026US 12,643,829 B2Rtx Corporation
- Slurry composition and method of producing a ceramic matrix composite with reduced matrix defects2 Jun 2026US 12,643,830 B1Rolls-Royce High Temperature Composites Inc.
- Method for making max phase composites19 May 2026US 12,630,480 B2Uchicago Argonne, LLC
- CaO—ZrO2 composition, method for producing CaO—ZrO2 composition, and CaO—ZrO2-containing refractory material and casting nozzle5 May 2026US 12,617,728 B2Krosakiharima Corporation
- High temperature composites and methods for preparing high temperature composites7 Apr 2026US 12,595,214 B2Arkema France
- Processes for the preparation of (3s,4r)-3-ethyl-4-(3h-imidazo[1,2-a]pyrrolo[2,3-e]-pyrazin-8-yl)-n-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide and solid state forms thereof8 Oct 2026US 2026/0308162 A1
- Particle enhancement of ceramic matrix composites, method of manufacture thereof and articles comprising the same10 Sep 2026US 2026/0265152 A1Rtx Corporation
- CaO-ZrO2 Composition, Method for Producing CaO-ZrO2 Composition, and CaO-ZrO2-Containing Refractory Material and Casting Nozzle13 Aug 2026US 2026/0234064 A1Krosakiharima Corporation
- Machined ceramic matrix composite airfoil preform and method13 Aug 2026US 2026/0235035 A1Rtx Corporation
- Multiphase ceramic matrix composite6 Aug 2026US 2026/0225961 A1Rtx Corporation
Most cited
By later US patents
- Sintered ceramic shaped article wholly or predominantly of eutectic microstructure constituents71US 4,595,663 AFeldmuhle Aktiengesellschaft · 1986
- Abrasive and/or refractory products based on melted and solidified oxynitrides and process preparing the same58US 5,336,280 APechiney Electrometallurgie · 1994
- Processes for the preparation of (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-α]pyrrolo[2,3-e]-pyrazin-8-yl)-N-(2,2,2-trifluoroethyl and solid state forms thereof42US 9,879,018 B2AbbVie Inc. · 2018
- Processes for the preparation of (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-α]pyrrolo[2,3-e]-pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide and solid state forms thereof42US 9,879,019 B2AbbVie Inc. · 2018
- Processes for the preparation of (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-α]pyrrolo[2,3-e]-pyrazin-8-yl)-N-(2,2,2-trifluorethyl)pyrrolidine-1-carboxamide and solid state forms thereof41US 10,017,517 B2AbbVie Inc. · 2018