C04B 35/622
Forming processes
Official title: Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
C04B35/622 (Forming processes) appears on 13,546 US grants and 13,421 published applications in this corpus.
Search patents in C04B- Granted patents
- 13,546
- Published applications
- 13,421
- Assignees
- 4,357
- Inventors
- 27,064
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 78 | 0 |
| 1977 | 72 | 0 |
| 1978 | 70 | 0 |
| 1979 | 56 | 0 |
| 1980 | 61 | 0 |
| 1981 | 90 | 0 |
| 1982 | 65 | 0 |
| 1983 | 52 | 0 |
| 1984 | 64 | 0 |
| 1985 | 117 | 0 |
| 1986 | 92 | 0 |
| 1987 | 109 | 0 |
| 1988 | 140 | 0 |
| 1989 | 191 | 0 |
| 1990 | 213 | 0 |
| 1991 | 295 | 0 |
| 1992 | 309 | 0 |
| 1993 | 285 | 0 |
| 1994 | 267 | 0 |
| 1995 | 239 | 0 |
| 1996 | 242 | 0 |
| 1997 | 236 | 0 |
| 1998 | 201 | 0 |
| 1999 | 237 | 0 |
| 2000 | 170 | 0 |
| 2001 | 197 | 47 |
| 2002 | 190 | 240 |
| 2003 | 238 | 377 |
| 2004 | 248 | 455 |
| 2005 | 206 | 559 |
| 2006 | 258 | 460 |
| 2007 | 266 | 499 |
| 2008 | 253 | 450 |
| 2009 | 300 | 565 |
| 2010 | 370 | 608 |
| 2011 | 352 | 515 |
| 2012 | 356 | 553 |
| 2013 | 404 | 522 |
| 2014 | 419 | 512 |
| 2015 | 431 | 540 |
| 2016 | 453 | 571 |
| 2017 | 481 | 632 |
| 2018 | 458 | 653 |
| 2019 | 504 | 681 |
| 2020 | 502 | 659 |
| 2021 | 495 | 652 |
| 2022 | 461 | 638 |
| 2023 | 469 | 645 |
| 2024 | 480 | 618 |
| 2025 | 472 | 446 |
| 2026 | 332 | 324 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C04B 35/626Preparing or treating the powders individually or as batches8,872
- C04B 35/64Burning or sintering processes5,216
- C04B 35/62227Obtaining fibres861
- C04B 35/653Processes involving a melting step657
- C04B 35/624Sol-gel processing583
- C04B 35/62222Obtaining ceramic coatings423
- C04B 35/62218Obtaining ceramic films357
- C04B 35/62204Using waste materials or refuse203
Recent patents
- Method of producing manufactured object and manufactured object6 Oct 2026US 12,752,457 B2Canon Kabushiki Kaisha
- Preceramic polymer printing binders for advanced ceramics6 Oct 2026US 12,753,123 B2University of Tennessee Research Foundation
- Ceramic matrix composite article manufacturing6 Oct 2026US 12,753,125 B2General Electric Company
- Method to control dissolution of silicon carbide during fabrication of a ceramic matrix composite6 Oct 2026US 12,753,127 B1Rolls-Royce High Temperature Composites Inc.
- Annealing separator composition for grain- oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet6 Oct 2026US 12,753,457 B2Posco
- Method for preparing porous ceramic with uniform micro-nano pores8 Oct 2026US 2026/0308066 A1Central South University
- Dielectric composition with high-temperature stability8 Oct 2026US 2026/0308068 A1Amotech Co., Ltd.
- Silver-containing zirconia sintered body, silver-containing stabilized zirconia powder, method for producing silver-containing stabilized zirconia powder, and method for producing silver-containing zirconia sintered body8 Oct 2026US 2026/0308069 A1Daiichi Kigenso Kagaku Kogyo Co., Ltd.
- Sintering additives for improved microstructure control8 Oct 2026US 2026/0308070 A1UT-Battelle, LLC
- Thermal insulation materials suitable for use at high temperatures, and process for making said materials8 Oct 2026US 2026/0308071 A1Mersen Scotland Holytown Limited
Most cited
By later US patents
- Process for converting a metal carbide to carbon by etching in halogens566US 6,579,833 B1The Board of Trustees of the University of Illinois · 2003
- Halogen gas plasma-resistive members and method for producing the same, laminates, and corrosion-resistant members455US 6,783,875 B2NGK Insulators, Ltd. · 2004
- Composite abrasive compact having high thermal stability403US 5,127,923 AUS Synthetic Corporation · 1992
- Compact of boron-doped diamond and method for making same385US 4,268,276 AGeneral Electric Company · 1981
- Method for selective laser sintering with layerwise cross-scanning368US 5,155,324 A1992