B21H 7/185
Filet rolling
Official title: {Filet rolling, e.g. of crankshafts}
B21H7/185 (Filet rolling) appears on 38 US grants and 37 published applications in this corpus.
Search patents in B21H- Granted patents
- 38
- Published applications
- 37
- Assignees
- 17
- Inventors
- 51
- Latest grant
- 28 Dec 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 4 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 7 |
| 2006 | 3 | 4 |
| 2007 | 4 | 2 |
| 2008 | 1 | 3 |
| 2009 | 2 | 1 |
| 2010 | 2 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 4 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Roll body for a hydrostatic rolling tool and hydrostatic rolling tool with the roll body28 Dec 2021US 11,207,720 B2Schaeffler Technologies AG & Co. KG
- Hard-rolling roller head for the deep rolling of the crankpins of a split-pin crankshaft24 Sep 2019US 10,421,115 B2Hegenscheidt-MFD GmbH & Co. KG
- Rolling tool1 Jan 2019US 10,166,595 B2Hegenscheidt-MFD GmbH & Co. KG
- Hard-rolling roller5 Jun 2018US 9,987,722 B2Hegenscheidt-MFD GmbH & Co. KG
- Method for the roller-straightening of crankshafts13 Jun 2017US 9,676,017 B2Hegenscheidt-MFD GmbH & Co. KG
- Roll body for a hydrostatic rolling tool and hydrostatic rolling tool with the roll body12 Aug 2021US 2021/0245213 A1Schaeffler Technologies AG & Co. KG
- Laser-hardened fillet-rolled crankshaft16 May 2019US 2019/0143398 A1Ford Global Technologies, LLC
- Hard-rolling roller head for the deep rolling of the crankpins of a split-pin crankshaft7 Sep 2017US 2017/0252796 A1Hegenscheidt-MFD GmbH & Co. KG
- Rolling tool16 Jun 2016US 2016/0167107 A1Hegenscheidt-MFD GmbH & Co. KG
- Hard-rolling roller6 Nov 2014US 2014/0326032 A1Hegenscheidt-MFD GmbH & Co. KG
Most cited
By later US patents
- Engine crank pin rolling equipment, rolling tool and method of rolling adjacent and offset crank pins19US 5,445,003 AHegenscheidt Corporation · 1995
- Fillet rolling machine16US 4,559,798 AToyoda Koki Kabushiki Kaisha · 1985
- Apparatus for fillet rolling of crankshafts14US 5,493,761 AIngersoll CM Systems LLC · 1996
- Deep rolling split-pin fillets of crankshafts14US 5,575,167 AHegenscheidt Corporation · 1996
- Metal rolling machine with opposing banks of jaw units for working a centered workpiece and method of rolling annular fillets of workpieces13US 5,495,738 AHegenscheidt Corporation · 1996