B21D 3/045
Workpiece feed channels therefor
Official title: {Workpiece feed channels therefor}
B21D3/045 (Workpiece feed channels therefor) appears on 8 US grants and 2 published applications in this corpus.
Search patents in B21D- Granted patents
- 8
- Published applications
- 2
- Assignees
- 7
- Inventors
- 10
- Latest grant
- 28 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Irregular tube straightener28 Nov 2023US 11,826,811 B1
- Versatile tubing straightener21 Sep 2021US 11,123,782 B2Husky Corporation
- Method for forming sheet metal strip27 Feb 2001US 6,192,731 B1Suunnittelutoimisto Tuomo Toivanen Oy
- Adjustable guide for rotating cylindrical member6 Nov 1990US 4,967,579 AItalimpianti of America, Inc.
- Tube guide15 Jun 1982US 4,334,420 APhillips Petroleum Company
- Versatile Tubing Straightener9 Jul 2020US 2020/0215594 A1Husky Corporation
- Machine for the working of tubes provided with an optical sensor for measuring the forward displacement of the tube being worked and/or the rotational displacement of the same about the longitudinal axis thereof5 Mar 2020US 2020/0070229 A1Blm S.P.A.
Most cited
By later US patents
- Workpiece feed channel7US 4,038,861 ATh. Kieserling & Albrecht · 1977
- Adjustable guide for rotating cylindrical member7US 4,967,579 AItalimpianti of America, Inc. · 1990
- Workpiece feed channel6US 4,143,534 ATh. Kieserling & Albrecht · 1979
- Method for forming sheet metal strip4US 6,192,731 B1Suunnittelutoimisto Tuomo Toivanen Oy · 2001
- Workpiece feed channel3US 3,969,919 ATh. Kieserling & Albrecht · 1976