C04B 38/0074
Expressed as porosity percentage
Official title: {expressed as porosity percentage}
C04B38/0074 (Expressed as porosity percentage) appears on 144 US grants and 207 published applications in this corpus.
Search patents in C04B- Granted patents
- 144
- Published applications
- 207
- Assignees
- 130
- Inventors
- 585
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 3 |
| 2006 | 1 | 3 |
| 2007 | 1 | 4 |
| 2008 | 3 | 8 |
| 2009 | 3 | 6 |
| 2010 | 2 | 4 |
| 2011 | 1 | 4 |
| 2012 | 3 | 8 |
| 2013 | 6 | 2 |
| 2014 | 10 | 8 |
| 2015 | 4 | 7 |
| 2016 | 4 | 5 |
| 2017 | 5 | 4 |
| 2018 | 7 | 12 |
| 2019 | 8 | 16 |
| 2020 | 7 | 14 |
| 2021 | 7 | 14 |
| 2022 | 8 | 13 |
| 2023 | 8 | 22 |
| 2024 | 16 | 21 |
| 2025 | 10 | 15 |
| 2026 | 12 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Zirconia mill blank for dental cutting and machining and preparing method thereof22 Sep 2026US 12,740,847 B2Shofu Inc.
- Batch for the production of a coarse ceramic refractory basic product, such product and method for its production, lining of an industrial furnace and industrial furnace25 Aug 2026US 12,715,815 B2Refratechnik Holding GmbH
- High filtration efficiency particulate filters having bimodal pore size distribution made from beads with open porosity11 Aug 2026US 12,702,946 B2Corning Incorporated
- Method for producing lithium transition metal complex oxide19 May 2026US 12,633,533 B2Panasonic Intellectual Property Management Co., Ltd.
- Mortar compositions5 May 2026US 12,617,715 B2Imam Abdulrahman Bin Faisal University
- Highly absorbent sponge concrete1 Oct 2026US 2026/0296973 A1Amrize Technology Switzerland LLC
- Method for forming cured mortar27 Aug 2026US 2026/0250189 A1Imam Abdulrahman Bin Faisal University
- Bionic superhydrophobic porous ceramic for planting plants under water and preparation method thereof27 Aug 2026US 2026/0250201 A1
- Improved aluminum-containing nitride ceramic matrix composite, method of making, and method of use20 Aug 2026US 2026/0242660 A1SLT Technologies, Inc.
- Refractory material, method for producing same, and use thereof23 Jul 2026US 2026/0209125 A1
Most cited
By later US patents
- Porous ceramic honeycomb filter63US 5,545,243 ANGK Insulators, Ltd. · 1996
- SIC-composite material sleeve and process for producing the same34US 6,246,740 B1Japan Nuclear Cycle Development Institute · 2001
- Hexagonal silicon carbide platelets and preforms and methods for making and using same28US 4,756,895 AStemcor Corporation · 1988
- Bonded carbon or ceramic fiber composite filter vent for radioactive waste26US 4,500,328 A1985
- Method of forming fiber- and filament-containing ceramic preform and composite25US 4,810,442 AGeneral Electric Company · 1989