C03B 19/1075
By blowing, pressing, centrifuging, rolling or dripping
Official title: {by blowing, pressing, centrifuging, rolling or dripping}
C03B19/1075 (By blowing, pressing, centrifuging, rolling or dripping) appears on 58 US grants and 19 published applications in this corpus.
Search patents in C03B- Granted patents
- 58
- Published applications
- 19
- Assignees
- 21
- Inventors
- 90
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 13 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 3 |
| 2020 | 0 | 2 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process of manufacturing hollow spherical glass particles24 Feb 2026US 12,559,405 B2Omya International AG
- Foamed glass beads and process of making same1 Oct 2024US 12,103,887 B1Revitri, LLC
- Methods and apparatus for manufacturing and printing hollow spheres19 Sep 2023US 11,760,680 B2The United States of America as represented by the Secretary of the Navy
- High-strength geopolymer hollow microsphere, preparation method thereof and phase change energy storage microsphere27 Jun 2023US 11,685,683 B2China University of Petroleum (East China)
- Method and plant for producing hollow microspheres made of glass14 Dec 2021US 11,198,633 B2Dennert Poraver GmbH
- Devices for manufacturing hollow spherical glass particles21 May 2026US 2026/0138910 A1Omya International AG
- Hollow microspheres for biological isolation and recovery13 Feb 2025US 2025/0050283 A1Texas Tech University System
- Process of manufacturing hollow spherical glass particles13 Apr 2023US 2023/0110412 A1BASF SE
- Methods and Apparatus for Manufacturing and Printing Hollow Spheres4 Nov 2021US 2021/0340049 A1The United States of America as represented by the Secretary of the Navy
- Methods and Apparatus for Manufacturing and Printing Hollow Spheres23 Jan 2020US 2020/0023570 A1The United States of America as represented by the Secretary of the Navy
Most cited
By later US patents
- Hollow microspheres199US 4,303,732 A1981
- Method for making hollow porous microspheres166US 4,671,909 A1987
- Hollow porous microspheres made from dispersed particle compositions150US 5,397,759 A1995
- Hollow microspheres140US 4,303,730 A1981
- Hollow porous microspheres containing biocatalyst137US 4,743,545 A1988