B21C 23/02
Making uncoated products
B21C23/02 (Making uncoated products) appears on 825 US grants and 803 published applications in this corpus.
Search patents in B21C- Granted patents
- 825
- Published applications
- 803
- Assignees
- 549
- Inventors
- 1,924
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 10 | 0 |
| 1978 | 16 | 0 |
| 1979 | 9 | 0 |
| 1980 | 9 | 0 |
| 1981 | 8 | 0 |
| 1982 | 9 | 0 |
| 1983 | 2 | 0 |
| 1984 | 9 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 11 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 13 | 0 |
| 1995 | 9 | 0 |
| 1996 | 15 | 0 |
| 1997 | 15 | 0 |
| 1998 | 14 | 0 |
| 1999 | 11 | 0 |
| 2000 | 18 | 0 |
| 2001 | 20 | 8 |
| 2002 | 17 | 15 |
| 2003 | 13 | 35 |
| 2004 | 17 | 27 |
| 2005 | 20 | 31 |
| 2006 | 15 | 27 |
| 2007 | 24 | 24 |
| 2008 | 10 | 23 |
| 2009 | 10 | 17 |
| 2010 | 12 | 29 |
| 2011 | 13 | 21 |
| 2012 | 24 | 21 |
| 2013 | 11 | 25 |
| 2014 | 16 | 33 |
| 2015 | 21 | 31 |
| 2016 | 24 | 34 |
| 2017 | 30 | 43 |
| 2018 | 25 | 46 |
| 2019 | 40 | 51 |
| 2020 | 30 | 49 |
| 2021 | 29 | 46 |
| 2022 | 38 | 40 |
| 2023 | 36 | 39 |
| 2024 | 32 | 36 |
| 2025 | 47 | 37 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Thin-walled composite pipe with high thermal conductivity, and preparation method and application thereof6 Oct 2026US 12,752,327 B2Shaanxi Zinc Industry Co., Ltd.
- Die assembly and methods for friction stir extrusion15 Sep 2026US 12,734,571 B2Ohio State Innovation Foundation
- Solid state manufacturing tools and methods using them9 Jun 2026US 12,649,178 B2MELD Manufacturing Corporation
- Front loading extrusion press for producing metal extrudates by extruding a billet26 May 2026US 12,636,692 B2Danieli & C. Officine Meccaniche SpA
- Devices and methods for performing shear-assisted extrusion and extrusion processes14 Apr 2026US 12,599,949 B2Battelle Memorial Institute
- Joining member and framework structure16 Jul 2026US 2026/0201918 A1AND Co., Ltd.
- Evaporator2 Jul 2026US 2026/0185192 A1Tyco Fire & Security GmbH
- Extrusion molding method and extrusion molding apparatus of a differential thickness pipe having a solid part25 Jun 2026US 2026/0175277 A1Sango Co., Ltd.
- Extruded door frame subassembly, methods, and systems for producing the same25 Jun 2026US 2026/0175510 A1Manufacturing Resources International, Inc.
- Method and mold for cold extrusion forming of wheel hub18 Jun 2026US 2026/0166612 A1Ningbo J.B.J Intelligence Technology Co., Ltd.
Most cited
By later US patents
- Systems and methods for arc and node design and manufacture117US 10,173,255 B2Divergent Technologies, Inc. · 2019
- Headset connector110US 8,401,219 B2Apple Inc. · 2013
- Wireless headset having adaptive powering94US 8,185,084 B2Apple Inc. · 2012
- Extrusion molding process and apparatus82US 6,027,683 A2000
- Method of making a sintered body having an internal channel73US 4,881,431 AFried. Krupp Gesellscahft mit beschrankter Haftung · 1989