B22F 1/0655
Hollow particles
B22F1/0655 (Hollow particles) appears on 86 US grants and 61 published applications in this corpus.
Search patents in B22F- Granted patents
- 86
- Published applications
- 61
- Assignees
- 64
- Inventors
- 185
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 3 |
| 2013 | 2 | 2 |
| 2014 | 4 | 6 |
| 2015 | 3 | 5 |
| 2016 | 4 | 9 |
| 2017 | 6 | 5 |
| 2018 | 3 | 5 |
| 2019 | 6 | 4 |
| 2020 | 4 | 5 |
| 2021 | 3 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 3 |
| 2024 | 2 | 1 |
| 2025 | 0 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Paste composition and semiconductor device31 Mar 2026US 12,589,451 B2KYOCERA Corporation
- Sintered material, connection structure, composite particle, joining composition, and method for manufacturing sintered material16 Apr 2024US 11,961,815 B2Sekisui Chemical Co., Ltd.
- Compressed powder body comprising soft magnetic alloy27 Feb 2024US 11,911,821 B2Tokin Corporation
- Rechargeable zinc-air battery with perforated-shell active particles2 May 2023US 11,641,041 B2Phinergy Ltd.
- Silver particles and manufacturing method therefor30 Aug 2022US 11,426,795 B2Dae Joo Electronic Materials Co., Ltd.
- Amorphous Alloy Soft Magnetic Powder, Dust Core, Magnetic Element, And Electronic Device30 Apr 2026US 2026/0117355 A1Seiko Epson Corporation
- Conductive hollow metal particles and preparation method therefor18 Sep 2025US 2025/0289054 A1Snc Tech Co., Ltd.
- Metal particles and preparation method therefor18 Sep 2025US 2025/0289055 A1Suzhou Amart Enterprise Management Co. Ltd.
- Systems And Methods For Direct Oxide Production6 Mar 2025US 2025/0075357 A1Aqua Metals Inc.
- Functional Porous Particles Embedded/Immobilized Within Porous Structures, Formation & Uses Thereof15 Aug 2024US 2024/0269741 A1Metalmark Innovations, PBC
Most cited
By later US patents
- Method for making hollow porous microspheres166US 4,671,909 A1987
- Hollow porous microspheres made from dispersed particle compositions150US 5,397,759 A1995
- Hollow porous microspheres containing biocatalyst137US 4,743,545 A1988
- Hollow porous microspheres as substrates and containers for catalyst136US 4,793,980 A1988
- Hollow porous microspheres made from dispersed particle compositions128US 5,212,143 A1993