C01P 2004/34
Hollow
Official title: hollow
C01P2004/34 (Hollow) appears on 346 US grants and 376 published applications in this corpus.
Search patents in C01P- Granted patents
- 346
- Published applications
- 376
- Assignees
- 268
- Inventors
- 913
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 12 | 5 |
| 2002 | 8 | 5 |
| 2003 | 13 | 5 |
| 2004 | 7 | 12 |
| 2005 | 4 | 17 |
| 2006 | 15 | 6 |
| 2007 | 7 | 16 |
| 2008 | 7 | 11 |
| 2009 | 13 | 10 |
| 2010 | 5 | 11 |
| 2011 | 8 | 16 |
| 2012 | 7 | 16 |
| 2013 | 11 | 11 |
| 2014 | 10 | 14 |
| 2015 | 13 | 14 |
| 2016 | 13 | 8 |
| 2017 | 12 | 25 |
| 2018 | 13 | 27 |
| 2019 | 14 | 19 |
| 2020 | 14 | 21 |
| 2021 | 21 | 17 |
| 2022 | 13 | 28 |
| 2023 | 10 | 18 |
| 2024 | 23 | 16 |
| 2025 | 13 | 16 |
| 2026 | 12 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Hollow inorganic particle and method for producing said hollow inorganic particle28 Jul 2026US 12,692,169 B2Ube Exsymo Co., Ltd.
- Magnetically tunable plasmon coupling of nanoshells enabled by space-free confined growth28 Jul 2026US 12,692,398 B2The Regents of the University of California
- Positive electrode active material and preparation method therefor, positive electrode sheet, secondary battery, and electrical device30 Jun 2026US 12,668,504 B2Contemporary Amperex Technology Co., Limited
- 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
- Ion substituted calcium phosphate particles24 Sep 2026US 2026/0285684 A1Psilox AB
- Microporous powder composition and insulation product17 Sep 2026US 2026/0275081 A1Prtc NV
- Catalytic graphite material, preparation method, and use thereof6 Aug 2026US 2026/0229518 A1Liyang Zichen New Materials Technology Co., Ltd
- Negative electrode active material for rechargeable battery, method of preparing the negative electrode active material, and rechargeable battery including the negative electrode active material2 Jul 2026US 2026/0184581 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same135US 6,180,029 B2Superior MicroPowders LLC · 2001
- Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same110US 6,153,123 ASuperior MicroPowders LLC · 2000
- Process for producing inorganic microspheres98US 5,849,055 AAsahi Glass Company, Limited · 1998
- Electrocatalyst powders, methods for producing powders and devices fabricated from same88US 6,660,680 B1Superior MicroPowders LLC · 2003
- Coated nickel-containing powders, methods and apparatus for producing such powders and devices fabricated from same85US 7,384,447 B2Cabot Corporation · 2008