B28B 7/40
Moulds: characterised by means for modifying the properties of the moulding material
Official title: characterised by means for modifying the properties of the moulding material
B28B7/40 (Moulds: characterised by means for modifying the properties of the moulding material) appears on 305 US grants and 217 published applications in this corpus.
Search patents in B28B- Granted patents
- 305
- Published applications
- 217
- Assignees
- 178
- Inventors
- 540
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 17 | 0 |
| 1997 | 29 | 0 |
| 1998 | 24 | 0 |
| 1999 | 11 | 0 |
| 2000 | 8 | 0 |
| 2001 | 6 | 1 |
| 2002 | 8 | 14 |
| 2003 | 4 | 7 |
| 2004 | 9 | 12 |
| 2005 | 3 | 14 |
| 2006 | 4 | 7 |
| 2007 | 4 | 9 |
| 2008 | 5 | 7 |
| 2009 | 1 | 10 |
| 2010 | 7 | 9 |
| 2011 | 5 | 5 |
| 2012 | 9 | 11 |
| 2013 | 4 | 5 |
| 2014 | 5 | 8 |
| 2015 | 4 | 14 |
| 2016 | 4 | 10 |
| 2017 | 8 | 6 |
| 2018 | 4 | 6 |
| 2019 | 11 | 13 |
| 2020 | 7 | 12 |
| 2021 | 6 | 9 |
| 2022 | 7 | 11 |
| 2023 | 4 | 4 |
| 2024 | 9 | 2 |
| 2025 | 2 | 5 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for forming variable density sintered ceramic using application of alternating voltage to aqueous ceramic suspension with ice-templating21 Apr 2026US 12,606,496 B2Old Dominion University
- Production of wet-cast slag-based concrete products17 Feb 2026US 12,552,711 B2Carbicrete Inc.
- Carbonation curing method to produce wet-cast slag-based concrete products12 Aug 2025US 12,384,724 B2Carbicrete Inc.
- Method and device for producing concrete pile10 Jun 2025US 12,325,151 B2Giken Ltd.
- Tool and method for manufacturing a composite-material part by means of a liquid process24 Dec 2024US 12,172,339 B2Safran Ceramics
- Material preparation systems and related devices and methods of preparing cementitious materials27 Aug 2026US 2026/0250209 A1Saudi Arabian Oil Company
- Binder-jetting additive manufacturing system30 Jul 2026US 2026/0216791 A1Safran
- Mould for curing a precursor by carbonation30 Jul 2026US 2026/0216916 A1Vito NV
- Ceramic three-dimensional printing using selective chemical curing4 Jun 2026US 2026/0151932 A1Korea Institute of Industrial Technology
- Production of wet-cast slag-based concrete products4 Jun 2026US 2026/0152438 A1Carbicrete Inc.
Most cited
By later US patents
- Articles of manufacture and methods for manufacturing laminate structures including inorganically filled sheets312US 5,830,548 AE. Khashoggi Industries · 1998
- Method of three dimensional printing191US 5,902,441 AZ Corporation · 1999
- Sheets having a highly inorganically filled organic polymer matrix172US 5,508,072 AE. Khashoggi Industries · 1996
- Articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix171US 5,506,046 AE. Khashoggi Industries · 1996
- Three dimensional printing materials system168US 6,416,850 B1Z Corporation · 2002