C03B 19/107
Forming hollow beads
Official title: {Forming hollow beads (chemical aspects C03C11/002)}
C03B19/107 (Forming hollow beads) appears on 94 US grants and 53 published applications in this corpus.
Search patents in C03B- Granted patents
- 94
- Published applications
- 53
- Assignees
- 41
- Inventors
- 171
- Latest grant
- 21 Jul 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 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 4 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 2 | 5 |
| 2011 | 2 | 2 |
| 2012 | 1 | 4 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 3 | 4 |
| 2016 | 2 | 5 |
| 2017 | 2 | 4 |
| 2018 | 4 | 2 |
| 2019 | 2 | 5 |
| 2020 | 1 | 3 |
| 2021 | 3 | 2 |
| 2022 | 0 | 2 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Porous structure such as for filters, and making the same21 Jul 2026US 12,685,951 B2Corning Incorporated
- Hollow spherical glass particles9 Jun 2026US 12,649,679 B2Omya International AG
- Glass bubbles and articles therefrom28 Apr 2026US 12,612,330 B23M Innovative Properties Company
- Process of manufacturing hollow spherical glass particles24 Feb 2026US 12,559,405 B2Omya International AG
- Methods for producing and products including hollow silica or hollow glass spheres8 Apr 2025US 12,269,748 B2
- Devices for manufacturing hollow spherical glass particles21 May 2026US 2026/0138910 A1Omya International AG
- Methods for Producing and Products Including Hollow Silica or Hollow Glass Spheres12 Mar 2026US 2026/0070793 A1
- Hollow microspheres for biological isolation and recovery13 Feb 2025US 2025/0050283 A1Texas Tech University System
- Glass Bubbles and Articles Therefrom3 Oct 2024US 2024/0327270 A13M Innovative Properties Company
- Porous structure such as for filters, and making the same4 May 2023US 2023/0136926 A1Corning Incorporated
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