C04B 14/16
Porous
Official title: porous, e.g. pumice
C04B14/16 (Porous) appears on 29 US grants and 29 published applications in this corpus.
Search patents in C04B- Granted patents
- 29
- Published applications
- 29
- Assignees
- 24
- Inventors
- 60
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 3 |
| 2017 | 2 | 1 |
| 2018 | 2 | 2 |
| 2019 | 3 | 1 |
| 2020 | 0 | 3 |
| 2021 | 2 | 0 |
| 2022 | 1 | 4 |
| 2023 | 2 | 4 |
| 2024 | 0 | 3 |
| 2025 | 6 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
- Lightweight composite material having a scratch-resistant surface and method for the production thereof11 Nov 2025US 12,466,768 B2Gebruder Dorfner GmbH & Co. Kaolin- und Kristallquarzsand-Werke KG
- Systems and methods for self-sustaining saltwater reactive cementitious systems23 Sep 2025US 12,421,168 B2
- Low carbon footprint expansive composition and methods of making and using same24 Jun 2025US 12,338,387 B2Halliburton Energy Services.Inc.
- Efficient methods of grinding volcanic pumice and its use in making cementitious composites17 Jun 2025US 12,330,986 B1King Faisal University
- Systems and methods for self-sustaining reactive cementitious systems10 Jun 2025US 12,325,662 B2
- Self-Hardening Slurry Composition and Method18 Dec 2025US 2025/0382230 A1Liquid Earth Support Inc.
- Systems and methods for self-sustaining reactive cementitious systems25 Sep 2025US 2025/0296879 A1
- Lightweight cement composition and method of making cured lightweight cement therefrom28 Aug 2025US 2025/0270138 A1King Fahd University of Petroleum and Minerals
- Efficient methods of grinding volcanic pumice and its use in making cementitious composites12 Jun 2025US 2025/0187977 A1King Faisal University
- Concrete with volcanic pumice10 Oct 2024US 2024/0336523 A1King Faisal University
Most cited
By later US patents
- Expanded mineral particles and apparatus and method of production34US 5,002,696 AGrefco, Inc. · 1991
- Lightweight insulating structural concrete29US 4,268,317 A1981
- Precast concrete modular building panel23US 4,372,092 A1983
- Precast concrete modular building panel14US 4,259,824 A1981
- Method for forming expanded cellular volcanic ash10US 4,238,430 AUnited States Vacuumite Corporation · 1980