F16L 59/103
Rigid covers for tee pieces
Official title: {Rigid covers for tee pieces}
F16L59/103 (Rigid covers for tee pieces) appears on 5 US grants and 4 published applications in this corpus.
Search patents in F16L- Granted patents
- 5
- Published applications
- 4
- Assignees
- 5
- Inventors
- 9
- Latest grant
- 31 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods and systems for jacket joints31 Aug 2021US 11,103,913 B2Johns Manville
- Pipe insulation apparatus having finishing cover of compression-bonded structure25 Oct 2016US 9,476,538 B2Dong In Engineering Co., Ltd.
- Longitudinal open tubular clamps for fixing insulation on piping30 Jun 1998US 5,771,941 A
- Specialized one-piece pipefitting cover for insulated strainer and lateral 45 degree -Y18 Jun 1991US 5,024,249 A
- Method for making pipe fitting coverings6 Jun 1978US 4,093,683 ASpeed-Line Manufacturing Company, Inc.
- Methods and systems for jacket joints26 Dec 2019US 2019/0388955 A1Illinois Tool Works Inc.
- Pipe insulation apparatus having finishing cover of compression-bonded structure25 Aug 2016US 2016/0245452 A1Dong In Engineering Co., Ltd.
- Methods and systems for jacket joints18 Jun 2015US 2015/0167887 A1Illinois Tool Works Inc.
- Covering device29 Apr 2010US 2010/0101677 A1Rehau AG & Co.
Most cited
By later US patents
- Method for making pipe fitting coverings20US 4,093,683 ASpeed-Line Manufacturing Company, Inc. · 1978
- Specialized one-piece pipefitting cover for insulated strainer and lateral 45 degree -Y13US 5,024,249 A1991
- Longitudinal open tubular clamps for fixing insulation on piping12US 5,771,941 A1998
- Pipe insulation apparatus having finishing cover of compression-bonded structure6US 9,476,538 B2Dong In Engineering Co., Ltd. · 2016