B21H 3/048
Working tangentially
Official title: {working tangentially}
B21H3/048 (Working tangentially) appears on 14 US grants and 10 published applications in this corpus.
Search patents in B21H- Granted patents
- 14
- Published applications
- 10
- Assignees
- 8
- Inventors
- 21
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 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 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Rolled thread screw and rolled thread screw manufacturing method30 Dec 2025US 12,510,111 B2Nsk Ltd.
- Rolled thread screw and rolled thread screw manufacturing method26 Nov 2024US 12,152,624 B2Nsk Ltd.
- Thread rolling tool28 Jan 2020US 10,543,524 B2
- Thread rolling head15 May 2018US 9,968,986 B2LMT Fette Werkzeugtechnik GmbH & Co. KG
- Tangential thread-rolling head11 Jul 2006US 7,073,361 B2Fette GmbH
- Rolled thread screw and rolled thread screw manufacturing method6 Feb 2025US 2025/0043813 A1Nsk Ltd.
- Rolled thread screw and rolled thread screw manufacturing method27 Oct 2022US 2022/0341456 A1Nsk Ltd.
- Thread rolling head with energy generation apparatus20 Jun 2019US 2019/0184446 A1LMT Fette Werkzeugtechnik GmbH & Co. KG
- Tangential thread rolling head24 Aug 2017US 2017/0239707 A1LMT Fette Werkzeugtechnik GmbH & Co. KG
- Tangential thread rolling head24 Aug 2017US 2017/0239708 A1LMT Fette Werkzeugtechnik GmbH & Co. KG
Most cited
By later US patents
- Radial infeed thread roll attachment15US 4,426,869 ALitton Industrial Products, Inc. · 1984
- Control mechanism for thread rolling attachment12US 4,766,750 AC. J. Winter Machine Works · 1988
- Tangential rolling head9US 4,336,703 AWilhelm Fette GmbH · 1982
- Thread rolling attachment9US 4,617,816 AC. J. Winter Machine Works · 1986
- Tangential rolling head9US 5,784,912 AWilhelm Fette GmbH · 1998