B28B
Shaping clay or other ceramic compositions
Official title: SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER (foundry moulding B22C; working stone or stone-like material B28D; shaping of substances in a plastic state, in general B29C; making layered products not composed wholly of these substances B32B)
B28B (Shaping clay or other ceramic compositions) appears on 8,721 US grants and 8,436 published applications in this corpus.
Search patents in B28B- Granted patents
- 8,721
- Published applications
- 8,436
- Assignees
- 3,752
- Inventors
- 15,849
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 146 | 0 |
| 1977 | 127 | 0 |
| 1978 | 142 | 0 |
| 1979 | 103 | 0 |
| 1980 | 106 | 0 |
| 1981 | 127 | 0 |
| 1982 | 110 | 0 |
| 1983 | 102 | 0 |
| 1984 | 84 | 0 |
| 1985 | 102 | 0 |
| 1986 | 89 | 0 |
| 1987 | 108 | 0 |
| 1988 | 106 | 0 |
| 1989 | 126 | 0 |
| 1990 | 117 | 0 |
| 1991 | 129 | 0 |
| 1992 | 143 | 0 |
| 1993 | 137 | 0 |
| 1994 | 121 | 0 |
| 1995 | 102 | 0 |
| 1996 | 121 | 0 |
| 1997 | 143 | 0 |
| 1998 | 169 | 0 |
| 1999 | 143 | 0 |
| 2000 | 111 | 0 |
| 2001 | 142 | 42 |
| 2002 | 127 | 186 |
| 2003 | 129 | 186 |
| 2004 | 161 | 252 |
| 2005 | 93 | 246 |
| 2006 | 121 | 229 |
| 2007 | 93 | 212 |
| 2008 | 83 | 242 |
| 2009 | 82 | 285 |
| 2010 | 165 | 271 |
| 2011 | 153 | 220 |
| 2012 | 172 | 231 |
| 2013 | 161 | 242 |
| 2014 | 202 | 271 |
| 2015 | 208 | 385 |
| 2016 | 222 | 394 |
| 2017 | 267 | 549 |
| 2018 | 283 | 527 |
| 2019 | 374 | 497 |
| 2020 | 409 | 510 |
| 2021 | 391 | 505 |
| 2022 | 332 | 499 |
| 2023 | 350 | 383 |
| 2024 | 408 | 422 |
| 2025 | 362 | 385 |
| 2026 | 217 | 265 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B28B 1/00Producing shaped prefabricated articles from the material3,463
- B28B 7/00Moulds2,338
- B28B 11/00Apparatus or processes for treating or working the shaped or preshaped articles1,905
- B28B 3/00Producing shaped articles from the material by using presses1,625
- B28B 23/00Arrangements specially adapted for the production of shaped articles with elements wholly1,235
- B28B 19/00Machines or methods for applying the material to surfaces to form a867
- B28B 17/00Details of, or accessories for, apparatus for shaping the material824
- B28B 13/00Feeding the unshaped material to moulds or apparatus for producing shaped articles773
Recent patents
- Compressed bone composition and methods of use thereof6 Oct 2026US 12,752,040 B2LifeNet Health
- Method of producing manufactured object and manufactured object6 Oct 2026US 12,752,457 B2Canon Kabushiki Kaisha
- Hybrid mold vibration6 Oct 2026US 12,752,458 B2Besser Company
- Preceramic polymer printing binders for advanced ceramics6 Oct 2026US 12,753,123 B2University of Tennessee Research Foundation
- Chemical vapor deposition during additive manufacturing6 Oct 2026US 12,753,509 B2General Electric Company
- Paste deposition system8 Oct 2026US 2026/0307152 A1Tritone Technologies Ltd.
- Additive manufacturing of surfaces with anti-corrosion and/or anti-fouling characteristics8 Oct 2026US 2026/0307292 A1Chevron U.S.A.Inc.
- Rapid-set construction material for 3d printing of sustainable infrastructure8 Oct 2026US 2026/0307293 A1Oregon State University
- Building boards and methods for manufacturing same8 Oct 2026US 2026/0307294 A1CertainTeed Gypsum, Inc.
- Unit and method for thermal treatment of slabs made of stone or stone-like agglomerate material and plant for manufacturing slabs made of stone or stone-like agglomerate material8 Oct 2026US 2026/0307295 A1
Most cited
By later US patents
- Three-dimensional printing techniques1,084US 5,204,055 AMassachusetts Institute of Technology · 1993
- Three-dimensional printing techniques723US 5,387,380 AMassachusetts Institute of Technology · 1995
- Fabricating multi-part assemblies597US 9,815,118 B1Desktop Metal, Inc. · 2017
- Direct-manufactured duct interconnects477US 7,623,940 B2The Boeing Company · 2009
- Three-dimensional printing techniques380US 5,340,656 AMassachusetts Institute of Technology · 1994