C04B 2235/77
Density
C04B2235/77 (Density) appears on 3,122 US grants and 4,041 published applications in this corpus.
Search patents in C04B- Granted patents
- 3,122
- Published applications
- 4,041
- Assignees
- 1,474
- Inventors
- 7,580
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 10 | 0 |
| 1988 | 10 | 0 |
| 1989 | 14 | 0 |
| 1990 | 13 | 0 |
| 1991 | 26 | 0 |
| 1992 | 23 | 0 |
| 1993 | 23 | 0 |
| 1994 | 16 | 0 |
| 1995 | 16 | 0 |
| 1996 | 20 | 0 |
| 1997 | 20 | 0 |
| 1998 | 17 | 0 |
| 1999 | 27 | 0 |
| 2000 | 26 | 0 |
| 2001 | 25 | 12 |
| 2002 | 34 | 54 |
| 2003 | 49 | 117 |
| 2004 | 69 | 152 |
| 2005 | 57 | 140 |
| 2006 | 88 | 173 |
| 2007 | 97 | 168 |
| 2008 | 92 | 151 |
| 2009 | 104 | 194 |
| 2010 | 119 | 219 |
| 2011 | 128 | 170 |
| 2012 | 136 | 188 |
| 2013 | 135 | 171 |
| 2014 | 139 | 143 |
| 2015 | 143 | 175 |
| 2016 | 140 | 159 |
| 2017 | 153 | 154 |
| 2018 | 133 | 181 |
| 2019 | 132 | 194 |
| 2020 | 128 | 179 |
| 2021 | 134 | 175 |
| 2022 | 125 | 188 |
| 2023 | 128 | 172 |
| 2024 | 123 | 189 |
| 2025 | 120 | 135 |
| 2026 | 98 | 88 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Highly dense red mud shields for X-ray and γ-ray attenuation29 Sep 2026US 12,747,190 B2Council of Scientific and Industrial Research
- Methods of making nanopowders, nanoceramic materials and nanoceramic components15 Sep 2026US 12,735,363 B2APPLIED Materials.Inc.
- Particle compositions and related methods and uses to form sintered silicon carbide bodies1 Sep 2026US 12,722,325 B2Entegris, Inc.
- Method of making vacuum insulated panel25 Aug 2026US 12,715,199 B2LuxWall, Inc.
- Ceramic article, semiconductor apparatus for manufacturing a semiconductor structure and method of manufacturing a ceramic article25 Aug 2026US 12,715,816 B2Taiwan Semiconductor Manufacturing Company.Ltd
- High Purity SiOC and SiC, Methods Compositions and Applications1 Oct 2026US 2026/0296898 A1Pallidus, Inc.
- Antiferroelectric containing dysprosium and a manufacturing method thereof17 Sep 2026US 2026/0274755 A1Hyundai Motor Company
- Ceramic particles for use in a solar power tower17 Sep 2026US 2026/0276244 A1Carbo Ceramics Inc.
- Neutron shielding material17 Sep 2026US 2026/0279611 A1United Kingdom Atomic Energy Authority
- Reactive sintering of ceramic lithium-ion solid electrolytes17 Sep 2026US 2026/0279887 A1Corning Incorporated
Most cited
By later US patents
- Composite abrasive compact having high thermal stability403US 5,127,923 AUS Synthetic Corporation · 1992
- Solid freeform fabrication methods283US 5,738,817 ARutgers, The State University · 1998
- Nanocrystalline apatites and composites, prostheses incorporating them, and method for their production242US 6,013,591 AMassachusetts Institute of Technology · 2000
- Solid freeform fabrication methods223US 5,900,207 ARutgers, the State University Old Queens · 1999
- Method for fabricating artificial bone implant green parts218US 5,639,402 A1997