C01P 2004/32
Spheres
C01P2004/32 (Spheres) appears on 1,998 US grants and 2,027 published applications in this corpus.
Search patents in C01P- Granted patents
- 1,998
- Published applications
- 2,027
- Assignees
- 1,178
- Inventors
- 5,844
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 10 | 0 |
| 1978 | 15 | 0 |
| 1979 | 12 | 0 |
| 1980 | 11 | 0 |
| 1981 | 5 | 0 |
| 1982 | 9 | 0 |
| 1983 | 16 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 18 | 0 |
| 1987 | 24 | 0 |
| 1988 | 26 | 0 |
| 1989 | 44 | 0 |
| 1990 | 35 | 0 |
| 1991 | 37 | 0 |
| 1992 | 36 | 0 |
| 1993 | 29 | 0 |
| 1994 | 33 | 0 |
| 1995 | 26 | 0 |
| 1996 | 25 | 0 |
| 1997 | 24 | 0 |
| 1998 | 42 | 0 |
| 1999 | 42 | 0 |
| 2000 | 40 | 0 |
| 2001 | 46 | 19 |
| 2002 | 43 | 47 |
| 2003 | 42 | 64 |
| 2004 | 52 | 50 |
| 2005 | 21 | 62 |
| 2006 | 50 | 47 |
| 2007 | 23 | 41 |
| 2008 | 25 | 43 |
| 2009 | 43 | 43 |
| 2010 | 31 | 64 |
| 2011 | 29 | 59 |
| 2012 | 33 | 71 |
| 2013 | 44 | 54 |
| 2014 | 42 | 64 |
| 2015 | 58 | 62 |
| 2016 | 63 | 64 |
| 2017 | 48 | 90 |
| 2018 | 69 | 90 |
| 2019 | 72 | 103 |
| 2020 | 65 | 105 |
| 2021 | 71 | 117 |
| 2022 | 96 | 141 |
| 2023 | 81 | 161 |
| 2024 | 109 | 121 |
| 2025 | 86 | 132 |
| 2026 | 70 | 113 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Porous composite, anode and lithium battery each including same, and method for preparing same22 Sep 2026US 12,744,220 B2Samsung SDI.Co., Ltd.
- Transparent substrates comprising three-dimensional porous conductive graphene films and methods for making the same8 Sep 2026US 12,729,153 B2Corning Incorporated
- Agglomeration-like multi-element cathode material, preparation method therefor, and lithium-ion battery1 Sep 2026US 12,722,984 B2Beijing Easpring Material Technology Co., Ltd.
- Negative electrode active material, negative electrode using the negative electrode active material and method for manufacturing negative electrode active material1 Sep 2026US 12,725,801 B2Prime Planet Energy & Solutions, Inc.
- Zirconia composition, partially sintered material and sintered material and methods for production thereof, and laminate25 Aug 2026US 12,714,651 B2Kuraray Noritake Dental Inc.
- Device for producing lithium carbonate crystals8 Oct 2026US 2026/0308003 A1K-Utec AG Salt Technologies
- Secondary structure of carbon nanotubes and sulfur-carbon composite comprising the same1 Oct 2026US 2026/0296891 A1LG Energy Solution, Ltd.
- Positive electrode active material and preparation method therefor, positive electrode sheet, secondary battery, and electrical device1 Oct 2026US 2026/0296917 A1Contemporary Amperex Technology Co., Limited
- Cathode active material for lithium secondary battery and method of manufacturing the same1 Oct 2026US 2026/0302219 A1SK Innovation Co., Ltd.
- High power electrode materials1 Oct 2026US 2026/0302226 A1A123 Systems, Inc.
Most cited
By later US patents
- Electrophoretic particles, and processes for the production thereof510US 7,002,728 B2E Ink Corporation · 2006
- Electrophoretic particles and processes for the production thereof363US 6,822,782 B2E Ink Corporation · 2004
- Metal nanoshells299US 6,344,272 B12002
- Metal nanoshells for biosensing applications194US 6,699,724 B1Wm. Marsh Rice University · 2004
- Electrophoretic media and processes for the production thereof192US 7,230,750 B2E Ink Corporation · 2007