B28B 21/92
Methods or apparatus for treating or reshaping
B28B21/92 (Methods or apparatus for treating or reshaping) appears on 35 US grants and 19 published applications in this corpus.
Search patents in B28B- Granted patents
- 35
- Published applications
- 19
- Assignees
- 28
- Inventors
- 82
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 2 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 3 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for CMC airfoil using core tube of rigidized ceramic fabric4 Mar 2025US 12,240,144 B2Rtx Corporation
- Pipe joint, pipe and method of joining pipe sections26 Mar 2024US 11,940,068 B2Construction Research & Technology GmbH
- CMC combustor shell with integral chutes24 Oct 2023US 11,796,174 B2ROLLS-ROYCE plc
- Pre-stressed concrete pipe17 Jan 2023US 11,555,562 B1
- Plugged honeycomb structure and method for forming plugged honeycomb structure25 Aug 2020US 10,753,244 B2NGK Insulators, Ltd.
- Method for cmc airfoil using core tube of rigidized ceramic fabric10 Sep 2026US 2026/0264289 A1Rtx Corporation
- Field joint method and apparatus28 Aug 2025US 2025/0271094 A12543500 Alberta Ltd., D.B.A. Shaw Pipe Protection
- Method and System For Making Long SIC Tubes31 Oct 2024US 2024/0359361 A1II-Vi Delaware, Inc.
- Method for cmc airfoil using core tube of rigidized ceramic fabric17 Oct 2024US 2024/0342954 A1Raytheon Technologies Corporation
- Cmc combustor shell with integral chutes2 Apr 2020US 2020/0103112 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Machine grooved joint on hollow concrete cylinders10US 4,109,635 A1978
- Circular edging tool for concrete9US 6,415,472 B12002
- Process and apparatus for the production of articles consisting of ceramic material8US 4,496,501 AWienerberger Baustoffindustrie Aktiengesellschaft · 1985
- Method of manufacturing cylindrical ceramic tubes having localized imprints on their inner faces8US 4,541,976 ACommissariat A L' Energie Atomique · 1985
- Process for the continuous production of pipe from particulate materials8US 4,685,873 AOwens-Corning Fiberglas Corporation · 1987