F16L 41/002
Branching pipes: of concrete, cement or asbestos-cement
Official title: {of concrete, cement or asbestos-cement}
F16L41/002 (Branching pipes: of concrete, cement or asbestos-cement) appears on 21 US grants and 13 published applications in this corpus.
Search patents in F16L- Granted patents
- 21
- Published applications
- 13
- Assignees
- 9
- Inventors
- 31
- Latest grant
- 23 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 0 |
| 2008 | 3 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and system for pressure pipe drilling cement-mortar lined and coated steel cylinders23 Apr 2024US 11,965,617 B2Sanexen Environmental Services Inc.
- Expandable sealing mechanism18 Feb 2020US 10,563,805 B2Press-Seal Corporation
- Bell end adapter arrangement12 Nov 2019US 10,473,253 B2S-P Products, Inc.
- Expandable sealing mechanism9 May 2017US 9,644,768 B2Press-Seal Corporation
- Apparatus to contain pipeline leaks from a longitudinal portion of a pipeline14 Apr 2015US 9,004,813 B2Saudi Arabian Oil Company
- Method and system for pressure pipe drilling cement-mortar lined and coated steel cylinders24 Mar 2022US 2022/0090721 A1Sanexen Environmental Services Inc.
- Bell end adapter arrangement27 Jul 2017US 2017/0211739 A1S-P Products, Inc.
- Expandable sealing mechanism13 Jul 2017US 2017/0198850 A1Press-Seal Corporation
- Expandable sealing mechanism10 Jul 2014US 2014/0191503 A1Press-Seal Corporation
- Apparatus and Method to Contain Pipeline Leaks from a Longitudinal Portion of a Pipeline24 Oct 2013US 2013/0279988 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Method, apparatus and product for improved pipe-to-manhole sealing68US 3,958,313 AMerchants National Bank of Manchester · 1976
- Expandable seal arrangement38US 5,150,927 APress-Seal Gasket Corporation · 1992
- Band for effecting a seal30US 5,029,907 ANPC, Inc. · 1991
- Pipe joint sealing device24US 3,973,783 A1976
- Band with slotted wedge cams24US 5,431,459 ANPC, Inc. · 1995