B21C 37/294
Forming collars by compressing a fluid or a yieldable or resilient mass
Official title: {Forming collars by compressing a fluid or a yieldable or resilient mass in the tube}
B21C37/294 (Forming collars by compressing a fluid or a yieldable or resilient mass) appears on 31 US grants and 9 published applications in this corpus.
Search patents in B21C- Granted patents
- 31
- Published applications
- 9
- Assignees
- 28
- Inventors
- 48
- Latest grant
- 1 May 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device for a plumbing installation1 May 2018US 9,958,079 B2Triteck Limited
- Device and method for forming by stamping at high speed25 Apr 2017US 9,630,230 B2Adm28 S.àR.L
- Method for manufacturing branched pipe and branched pipe manufacturing device16 Sep 2014US 8,833,123 B2Komatsu Ltd.
- Method of forming thickened tubular members13 Jun 2006US 7,059,033 B2General Motors Corporation
- Manufacturing method for double tube having a hole formed therein, and mold for implementation thereof23 Aug 2005US 6,932,936 B2Sanoh Industries Co., Ltd.
- Device and method for forming by stamping at high speed3 Dec 2015US 2015/0343512 A1Adm28 S.àR.L
- Device for a plumbing installation9 Oct 2014US 2014/0299809 A1Triteck Limited
- Method for forming, by means of a hydroforming process, a tubular element as well as a device suitable for carrying out such a method, and a tubular element7 Mar 2013US 2013/0055778 A1KISS-Engineering Inc.
- Method for manufacturing branched pipe and branched pipe manufacturing device3 Jan 2013US 2013/0000373 A1Komatsu Ltd.
- Method and Device for Producing a Peripherally Closed Hollow Profile14 Feb 2008US 2008/0034824 A1DaimlerChrysler AG
Most cited
By later US patents
- Method for manufacturing a pipe with projections34US 4,840,053 AKokan Kako Co., Ltd. · 1989
- Method for manufacturing a pipe with projections31US 4,928,509 AKokan Kako Co., Ltd. · 1990
- Method for the manufacture of an ornamental head lug of the single unit type for use in bicycles29US 4,051,704 A1977
- Method and apparatus for hydraulically forming a tubular body21US 4,788,843 AR. Seaman Company · 1988
- Method for expanding a tubular member20US 4,590,655 AGrotnes Metalforming Systems, Inc. · 1986