B28B 1/52
Producing shaped prefabricated articles from the material: specially adapted for producing articles
Official title: specially adapted for producing articles from mixtures containing fibres, {e.g. asbestos cement}(by wrapping on to mandrels B28B1/42)
B28B1/52 (Producing shaped prefabricated articles from the material: specially adapted for producing articles) appears on 422 US grants and 277 published applications in this corpus.
Search patents in B28B- Granted patents
- 422
- Published applications
- 277
- Assignees
- 243
- Inventors
- 743
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 11 | 0 |
| 1995 | 9 | 0 |
| 1996 | 20 | 0 |
| 1997 | 29 | 0 |
| 1998 | 32 | 0 |
| 1999 | 13 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 0 |
| 2002 | 5 | 14 |
| 2003 | 5 | 9 |
| 2004 | 10 | 7 |
| 2005 | 2 | 7 |
| 2006 | 5 | 13 |
| 2007 | 1 | 10 |
| 2008 | 3 | 2 |
| 2009 | 3 | 13 |
| 2010 | 9 | 13 |
| 2011 | 12 | 6 |
| 2012 | 6 | 9 |
| 2013 | 1 | 7 |
| 2014 | 3 | 5 |
| 2015 | 5 | 13 |
| 2016 | 6 | 14 |
| 2017 | 7 | 16 |
| 2018 | 5 | 16 |
| 2019 | 11 | 11 |
| 2020 | 20 | 18 |
| 2021 | 9 | 23 |
| 2022 | 13 | 13 |
| 2023 | 9 | 13 |
| 2024 | 14 | 9 |
| 2025 | 13 | 9 |
| 2026 | 9 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B28B 1/526By delivering the materials on a conveyor of the endless-belt type80
- B28B 1/522For producing multi-layered articles76
- B28B 1/525Containing organic fibres72
- B28B 1/527By delivering the materials on a rotating drum28
- B28B 1/523Containing metal fibres26
- B28B 1/521From dry mixtures to which a setting agent is applied after forming12
- B28B 1/528For producing corrugated sheets3
Recent patents
- Airforming constructive system29 Sep 2026US 12,746,707 B2
- Flexural hybrid span beam2 Jun 2026US 12,643,259 B2Najran University
- Targeted ceramic casting core inhomogeneity12 May 2026US 12,623,373 B2Rtx Corporation
- Visible light-catalyzed translucent concrete, and preparation method and use thereof5 May 2026US 12,617,716 B2Jiangxi Blue Environmental Engineering Tech Co., Ltd.
- Method for making carbonated precast concrete products with enhanced durability5 May 2026US 12,617,725 B2Carbicrete Inc.
- Flexural hybrid span beam27 Aug 2026US 2026/0249514 A1Najran University
- Powder composition, mortar material for additive manufacturing, molded object, and method for manufacturing molded object20 Aug 2026US 2026/0242287 A1Polyuse Co., Ltd.
- Targeted Ceramic Casting Core Inhomogeneity6 Aug 2026US 2026/0225282 A1Rtx Corporation
- Method for fabricating structural panels4 Jun 2026US 2026/0151934 A1Obshchestvo S Ogranichennoi Otvetstvennostiu "Amatec"
- Ribbonized tows for optimized improved composite performance5 Feb 2026US 2026/0034707 A1Rtx Corporation
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
- 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
- Starch-based compositions having uniformly dispersed fibers used to manufacture high strength articles having a fiber-reinforced, starch-bound cellular matrix165US 5,679,145 AE. Khashoggi Industries · 1997
- Highly insulative cementitious matrices and methods for their manufacture157US 5,641,584 AE. Khashoggi Industries · 1997