B21B 1/163
Rolling or cold-forming of concrete reinforcement bars or wire
Official title: {Rolling or cold-forming of concrete reinforcement bars or wire (reinforcement bars per se E04C5/03); Rolls therefor}
B21B1/163 (Rolling or cold-forming of concrete reinforcement bars or wire) appears on 33 US grants and 18 published applications in this corpus.
Search patents in B21B- Granted patents
- 33
- Published applications
- 18
- Assignees
- 31
- Inventors
- 72
- Latest grant
- 7 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 3 |
| 2015 | 1 | 3 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Processing method of NPR steel rebar rod7 Mar 2023US 11,596,991 B2Min Xia
- Method for determining the stamping quality of profiled bar material19 Mar 2019US 10,232,420 B2Zumbach Electronic AG
- Turning and thread-rolling machine with pre-compression device14 Aug 2018US 10,046,406 B2Der Fun Prestressed Metal Co., Ltd.
- Threaded rebar manufacturing process and system2 Jan 2018US 9,855,594 B2Nucor Corporation
- Method for producing steel fibers25 Apr 2017US 9,630,226 B2Cent & Cent GmbH & Co. KG
- Concrete-reinforcing steel fiber wire rod not undergoing heat treatment, steel fiber, and manufacturing methods therefor23 Jul 2026US 2026/0210115 A1Posco
- Rolling apparatus, plant and method28 Nov 2024US 2024/0390962 A1Danieli & C. Officine Meccaniche SpA
- Processing method of npr steel rebar rod25 Aug 2022US 2022/0266394 A1
- Turning and thread-rolling machine with pre-compression device5 Jul 2018US 2018/0185940 A1Der Fun Prestressed Metal Co., Ltd.
- Method for determining the stamping quality of profiled bar material24 Mar 2016US 2016/0082489 A1Zumbach Electronic AG
Most cited
By later US patents
- Anchor bolt24US 5,054,146 AVidex-Wire Products (Pty.) Limited · 1991
- Metal fiber for reinforcing concrete18US 5,215,830 AILM-IPS S.p.A. · 1993
- Concrete reinforcing steel fibers and production thereof15US 4,610,926 ATokyo Rope Manufacturing Co., Ltd. · 1986
- Metallic rod product, and method for producing same12US 4,087,898 ASouthwire Company · 1978
- Machine and method for making concrete reinforcing bars12US 4,858,457 A1989