B21B 21/02
Rollers therefor
B21B21/02 (Rollers therefor) appears on 22 US grants and 13 published applications in this corpus.
Search patents in B21B- Granted patents
- 22
- Published applications
- 13
- Assignees
- 15
- Inventors
- 62
- Latest grant
- 29 Jan 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 4 |
| 2016 | 3 | 1 |
| 2017 | 2 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotary crimping tool assembly29 Jan 2019US 10,193,291 B2Te Connectivity Corporation
- Feed drive for a cold pilgering mill18 Dec 2018US 10,155,257 B2Sandvik Materials Technology Deutschland GmbH
- Cladding tube for nuclear fuel rod, method and apparatus for manufacturing a cladding30 Oct 2018US 10,112,224 B2Areva Np
- Gap control device for pilger die assembly of cold pilger mills8 Aug 2017US 9,724,739 B2Kepco Nuclear Fuel Co., Ltd.
- Pilger rolling mill with a crank drive10 Jan 2017US 9,539,627 B2Sandvik Materials Technology Deutschland GmbH
- Rotary crimping tool assembly14 Apr 2016US 2016/0104993 A1Tyco Electronics Corporation
- Pilger rolling mill with a crank drive3 Dec 2015US 2015/0343505 A1Sandvik Materials Technology Deutschland GmbH
- Gap control device for pilger die assembly of cold pilger mills29 Oct 2015US 2015/0306647 A1Kepco Nuclear Fuel Co., Ltd.
- Cladding tube for nuclear fuel rod, method and apparatus for manufacturing a cladding27 Aug 2015US 2015/0239025 A1Areva Np
- Method of Producing Cold-Worked Centrifugal Cast Tubular Products2 Jul 2015US 2015/0183015 A1ATI Properties, Inc.
Most cited
By later US patents
- Pilger die for tubing production19US 4,819,471 AWestinghouse Electric Corp. · 1989
- Pilgering apparatus10US 4,674,312 AWestinghouse Electric Corp. · 1987
- Procedure and equipment for the manufacture of pipes with external and internal diameters varying in stages8US 4,445,354 A1984
- High strength cemented carbide dies and mandrels for a pilgering machine7US 4,866,968 AWestinghouse Electric Corp. · 1989
- Method of producing cold-worked centrifugal cast tubular products7US 9,375,771 B2ATI Properties, Inc. · 2016