B21K 1/54
With grooves or notches
Official title: with grooves or notches
B21K1/54 (With grooves or notches) appears on 21 US grants and 10 published applications in this corpus.
Search patents in B21K- Granted patents
- 21
- Published applications
- 10
- Assignees
- 14
- Inventors
- 39
- Latest grant
- 21 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Extrusion molding method and molding apparatus for manufacturing self-clinching rivet21 Nov 2023US 11,819,908 B2Penn Engineering & Manufacturing Corp.
- Tie rod for concrete forming system and related method of making5 Oct 2021US 11,135,636 B2Titcomb Brothers Manufacturing, Inc.
- Pull or push rod or locking nut for a molding machine6 Apr 2021US 10,967,549 B2Engel Austria GmbH
- Apparatus for protectively holding an elongated object during bending and stretching of the elongated object4 Jun 2019US 10,307,811 B2Industro International Co., Ltd.
- Mower blade coupler with enlarged head and projecting fins27 Apr 2010US 7,703,267 B2Buchanan Metal Forming, Inc.
- Extrusion Molding Method and Molding Apparatus for Manufacturing Self-Clinching Rivet3 Dec 2020US 2020/0376539 A1Penn Engineering & Manufacturing Corp.
- Pull or push rod or locking nut for a molding machine9 May 2019US 2019/0134871 A1Engel Austria GmbH
- Tie rod for concrete forming system and related method of making8 Nov 2018US 2018/0318904 A1Titcomb Brothers Manufacturing, Inc.
- Apparatus for protectively holding an elongated object during bending and stretching of the elongated object7 Jun 2018US 2018/0154424 A1Industro International Co., Ltd.
- U-bolt assembly12 Nov 2015US 2015/0322981 A1
Most cited
By later US patents
- Nail-type fastener, and process for manufacturing such fasteners22US 4,637,768 A1987
- Mower blade coupler with enlarged head and projecting fins13US 7,703,267 B2Buchanan Metal Forming, Inc. · 2010
- Blind riveting assembly12US 5,167,585 AEmhart Inc. · 1992
- Method for manufacturing an element having grooved trunnions and forming method for grooving the trunnions9US 4,936,133 AGlaenzer Spicer · 1990
- Method and apparatus for manufacturing valve components7US 4,100,785 A1978