B22F 3/1112
Comprising hollow spheres or hollow fibres
Official title: {comprising hollow spheres or hollow fibres}
B22F3/1112 (Comprising hollow spheres or hollow fibres) appears on 48 US grants and 53 published applications in this corpus.
Search patents in B22F- Granted patents
- 48
- Published applications
- 53
- Assignees
- 40
- Inventors
- 117
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 4 |
| 2004 | 3 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 4 | 4 |
| 2011 | 2 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 3 | 3 |
| 2016 | 0 | 3 |
| 2017 | 0 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 3 |
| 2020 | 2 | 4 |
| 2021 | 1 | 4 |
| 2022 | 3 | 4 |
| 2023 | 4 | 2 |
| 2024 | 4 | 1 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Tuned multilayered material systems and methods for manufacturing9 Sep 2025US 12,409,491 B2The Boeing Company
- Three-dimensional printing14 Jan 2025US 12,194,531 B2Hewlett-Packard Development Company, L. P.
- Tuned multilayered material systems and methods for manufacturing30 Apr 2024US 11,969,796 B2The Boeing Company
- Syntactic metal matrix materials and methods30 Apr 2024US 11,969,797 B2Powdermet, Inc.
- Methods for producing hollow ceramic spheres23 Apr 2024US 11,964,873 B2Plassein Technologies Ltd. LLC
- Tuned multilayered material systems and methods for manufacturing7 Aug 2025US 2025/0249505 A1The Boeing Company
- Methods for Producing Hollow Ceramic Spheres13 Feb 2025US 2025/0051171 A1Plassein Technologies Ltd. LLC
- Low thermal stress metal structures29 Aug 2024US 2024/0286191 A1Powdermet, Inc.
- Low thermal stress engineered metal structures26 Oct 2023US 2023/0339820 A1Powdermet, Inc.
- Tuned multilayered material systems and methods for manufacturing25 May 2023US 2023/0158566 A1The Boeing Company
Most cited
By later US patents
- Process for producing hollow spherical particles and sponge-like particles composed therefrom124US 4,775,598 ANorddeutsche Affinerie Akitiengesellschaft · 1988
- Process for producing metallic or ceramic hollow-sphere bodies92US 4,917,857 ANorddeutsche Affinerie Aktiengesellschaft · 1990
- Material and process for its preparation61US 5,993,716 A1999
- Method of applying a fully alloyed porous metallic coating to a surface of a metallic prosthesis component and product produced thereby44US 5,080,672 A1992
- Structural component made of metal or ceramic having a solid outer shell and a porous core and its method of manufacture41US 5,634,189 AMTU Motoren-und Turbinen-Union Munchen GmbH · 1997