B21K 1/16
Parts of pipe or hose couplings
Official title: parts of pipe or hose couplings
B21K1/16 (Parts of pipe or hose couplings) appears on 33 US grants and 24 published applications in this corpus.
Search patents in B21K- Granted patents
- 33
- Published applications
- 24
- Assignees
- 25
- Inventors
- 57
- Latest grant
- 27 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 2 | 4 |
| 2010 | 1 | 0 |
| 2011 | 3 | 3 |
| 2012 | 2 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pipe fitting incorporating a spherical spin weld27 Aug 2024US 12,070,640 B2Spears Manufacturing Co.
- Method and device for producing a hose nipple9 Apr 2024US 11,951,531 B2ContiTech Techno-Chemie GmbH
- Pipe fitting incorporating a spherical spin weld27 Dec 2022US 11,534,640 B1Spears Manufacturing Co.
- Grooved forged carbon steel fitting apparatus and methods of manufacturing the same30 Aug 2022US 11,426,789 B2US Groove and Fittings, LLC
- Grooved forged carbon steel fitting apparatus29 Oct 2019US 10,458,577 B2US Groove and Fittings, LLC
- Pipe fitting incorporating a spherical spin weld16 Mar 2023US 2023/0084140 A1Spears Manufacturing Co.
- Method and device for producing a hose nipple19 May 2022US 2022/0152688 A1ContiTech Techno-Chemie GmbH
- Grooved forged carbon steel fitting apparatus and methods of manufacturing the same19 Mar 2020US 2020/0088325 A1US Groove and Fittings, LLC
- Method of manufacturing bifurcated pipe and bifurcated connector for connecting hoses and fuel supply hose manufactured using the same28 Sep 2017US 2017/0274444 A1
- Electrical Outlet Drying Boot18 Feb 2016US 2016/0049763 A1
Most cited
By later US patents
- Reinforcement for vehicle hollow structural member, having decreasing-thickness end portions50US 6,082,811 AKyoho Machine Works, Ltd. · 2000
- Pipe unions36US 4,362,043 A1982
- Installation-ready pipe coupling method of manufacture31US 8,069,547 B2Victaulic Company · 2011
- Installation-ready pipe coupling method of manufacture24US 8,079,129 B2Victaulic Company · 2011
- Fitting and method for manufacturing a fitting17US 7,658,419 B2Viega GmbH & Co. KG · 2010