B01J 20/28019
Spherical, ellipsoidal or cylindrical
Official title: {Spherical, ellipsoidal or cylindrical}
B01J20/28019 (Spherical, ellipsoidal or cylindrical) appears on 586 US grants and 665 published applications in this corpus.
Search patents in B01J- Granted patents
- 586
- Published applications
- 665
- Assignees
- 469
- Inventors
- 1,735
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 9 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 12 | 0 |
| 1999 | 15 | 0 |
| 2000 | 10 | 0 |
| 2001 | 14 | 5 |
| 2002 | 13 | 20 |
| 2003 | 12 | 27 |
| 2004 | 12 | 25 |
| 2005 | 15 | 33 |
| 2006 | 16 | 19 |
| 2007 | 14 | 20 |
| 2008 | 10 | 19 |
| 2009 | 10 | 19 |
| 2010 | 12 | 24 |
| 2011 | 10 | 28 |
| 2012 | 14 | 26 |
| 2013 | 10 | 14 |
| 2014 | 34 | 25 |
| 2015 | 19 | 25 |
| 2016 | 12 | 20 |
| 2017 | 16 | 25 |
| 2018 | 16 | 19 |
| 2019 | 26 | 37 |
| 2020 | 17 | 25 |
| 2021 | 18 | 34 |
| 2022 | 28 | 37 |
| 2023 | 18 | 32 |
| 2024 | 24 | 33 |
| 2025 | 30 | 46 |
| 2026 | 20 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Poly(meth)acrylic acid (salt)-based water-absorbing resin, and absorbent body15 Sep 2026US 12,734,502 B2Nippon Shokubai Co., Ltd.
- Process of forming a gas adsorbant macroporous material15 Sep 2026US 12,734,503 B2Spiritus Technologies, Pbc
- Water purification method using biochar layered double hydroxide composite21 Jul 2026US 12,685,994 B2Imam Abdulrahman Bin Faisal University
- Coating solution14 Jul 2026US 12,678,767 B2Nittetsu Mining Co., Ltd.
- Structured powders for carbon dioxide capture30 Jun 2026US 12,667,822 B2Anvil Capture Systems Inc.
- Separation Matrix and a Method of Separating Antibodies1 Oct 2026US 2026/0295462 A1Cytiva BioProcess R&D AB
- Structured powders for carbon dioxide capture17 Sep 2026US 2026/0273503 A1Anvil Capture Systems Inc.
- Uniform multi-layer silica coated porous/mesoporus magnetic beads, methods of making and uses thereof17 Sep 2026US 2026/0275327 A1Magnostics Limited
- Biochars, biochar extracts and biochar extracts having soluble signaling compounds and method for capturing material extracted from biochar10 Sep 2026US 2026/0262683 A1Talipot Cool Extract (IP), LLC
- Method for carbon dioxide sequestration with mof10 Sep 2026US 2026/0264045 A1King Fahd University of Petroleum and Minerals
Most cited
By later US patents
- Mosaic microcolumns, slabs, and separation media for electrophoresis and chromatography219US 5,135,627 ASoane Technologies, Inc. · 1992
- Calcium phosphate microcarriers and microspheres198US 6,210,715 B1CaP Biotechnology, Inc. · 2001
- High performance liquid chromatography method and apparatus193US 5,919,368 ACohesive Technologies, Inc. · 1999
- High performance liquid chromatography method and apparatus165US 5,772,874 ACohesive Technologies, Inc. · 1998
- Cast membrane structures for sample preparation118US 6,048,457 AMillipore Corporation · 2000