B21H 9/02
Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in
Official title: for screw-rolling machines
B21H9/02 (Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in) appears on 19 US grants and 11 published applications in this corpus.
Search patents in B21H- Granted patents
- 19
- Published applications
- 11
- Assignees
- 12
- Inventors
- 33
- Latest grant
- 27 Sep 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Forging roll device27 Sep 2022US 11,453,042 B2Nippon Steel & Sumitomo Metal Corporation
- Roll forming machine with reciprocating dies10 Nov 2020US 10,828,691 B2Illinois Tool Works Inc.
- Multi-station reciprocating die roll forming machine7 Apr 2020US 10,610,920 B2Illinois Tool Works Inc.
- Roll forming machine with reciprocating dies20 Mar 2018US 9,919,355 B2Illinois Tool Works Inc.
- Threadrolling machine with device for unloading workpieces25 Jun 2013US 8,468,867 B2Ingramatic S.P.A.
- Flat die thread rolling machine and method for operating such a machine16 Oct 2025US 2025/0319511 A1E.W. Menn GmbH & Co. KG Maschinenfabrik
- Forging roll device26 Sep 2019US 2019/0291170 A1Nippon Steel & Sumitomo Metal Corporation
- Multi-station reciprocating die roll forming machine22 Nov 2018US 2018/0333766 A1Illinois Tool Works Inc.
- Roll forming machine with reciprocating dies31 May 2018US 2018/0147620 A1Illinois Tool Works Inc.
- Roll forming machine with reciprocating dies4 Feb 2016US 2016/0030998 A1Illinois Tool Works Inc.
Most cited
By later US patents
- Apparatus for producing threaded self-tapping stainless steel screws16US 4,289,006 AIllinois Tool Works Inc. · 1981
- Flat die thread roller7US 5,345,800 AThe National Machinery Company · 1994
- Adjustable track cover positioning assembly5US 3,974,904 AThe Hartford Special Machinery Company · 1976
- Flat die thread roller4US 5,555,757 AThe National Machinery Company · 1996
- Apparatus for feeding elongated objects3US 4,472,956 ASigma Tool & Machine · 1984