B28B 1/50
Producing shaped prefabricated articles from the material: specially adapted for producing articles
Official title: specially adapted for producing articles of expanded material, e.g. cellular concrete (chemical aspects {or making expanded aggregate} C04B)
B28B1/50 (Producing shaped prefabricated articles from the material: specially adapted for producing articles) appears on 88 US grants and 74 published applications in this corpus.
Search patents in B28B- Granted patents
- 88
- Published applications
- 74
- Assignees
- 73
- Inventors
- 180
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 5 | 8 |
| 2003 | 1 | 1 |
| 2004 | 7 | 6 |
| 2005 | 3 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 4 |
| 2011 | 2 | 0 |
| 2012 | 4 | 8 |
| 2013 | 1 | 2 |
| 2014 | 3 | 4 |
| 2015 | 0 | 2 |
| 2016 | 2 | 3 |
| 2017 | 1 | 4 |
| 2018 | 2 | 3 |
| 2019 | 4 | 5 |
| 2020 | 8 | 3 |
| 2021 | 1 | 4 |
| 2022 | 1 | 3 |
| 2023 | 3 | 0 |
| 2024 | 1 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mechanism to control the density gradient in three-dimensionally printed material28 Apr 2026US 12,611,818 B2ARC Ventures B.V.
- Geopolymer foam deposition and mixing system and apparatus12 Aug 2025US 12,383,873 B2Rosenblatt Innovations LLC
- Construction apparatuses and methods of use thereof5 Aug 2025US 12,377,577 B2Onsite ICF, LLC
- Geopolymer foam deposition and mixing system and apparatus14 May 2024US 11,981,049 B2
- Lightweight, reduced density fire rated gypsum panels10 Oct 2023US 11,780,113 B2United States Gypsum Company
- 3d printing-based 3d re-entrant negative poisson's ratio prefabricated composite protective structure and preparation method thereof16 Jul 2026US 2026/0200129 A1College of Civil Engineering, Zhejiang University of Technology
- Continuous cementitious board manufacturing with in situ foam generation16 Jul 2026US 2026/0200132 A1United States Gypsum Company
- Process for the production of an ultra-light mineral foam16 Jul 2026US 2026/0200796 A1Amrize Technology Switzerland LLC
- Methods, systems, and devices for creating a concrete fire feature by pressurizing a mold27 Nov 2025US 2025/0360651 A1Solo Brands, LLC
- Mechanism to control the density gradient in three-dimensionally printed material9 Jan 2025US 2025/0010547 A1ARC Ventures B.V.
Most cited
By later US patents
- Process and plant for manufacture of aerated concrete102US 4,902,211 ASvanholm Engineering AB · 1990
- Thermal insulation composite of cellular cementitious material82US 4,351,867 AGeneral Electric Company · 1982
- High density interface gypsum board and method for making same61US 4,327,146 ANational Gypsum Company · 1982
- Lightweight cellular cement compositions and methods of casting the same58US 3,979,217 AHalliburton Company · 1976
- Boards53US 4,551,384 ARedland Technology Limited · 1985