F16L 55/1141
The plug being made of elastic material
Official title: {the plug being made of elastic material}
F16L55/1141 (The plug being made of elastic material) appears on 115 US grants and 126 published applications in this corpus.
Search patents in F16L- Granted patents
- 115
- Published applications
- 126
- Assignees
- 86
- Inventors
- 233
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 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 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 3 |
| 2005 | 2 | 3 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 8 |
| 2009 | 4 | 1 |
| 2010 | 2 | 2 |
| 2011 | 2 | 4 |
| 2012 | 1 | 2 |
| 2013 | 2 | 4 |
| 2014 | 3 | 7 |
| 2015 | 7 | 11 |
| 2016 | 11 | 10 |
| 2017 | 4 | 6 |
| 2018 | 8 | 5 |
| 2019 | 5 | 6 |
| 2020 | 7 | 11 |
| 2021 | 4 | 7 |
| 2022 | 7 | 12 |
| 2023 | 6 | 9 |
| 2024 | 8 | 6 |
| 2025 | 5 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Single or multi-durometer elastomer, self-actuating, dynamic, stress suppressor for hot tapping tools8 Sep 2026US 12,729,796 B2TDW Delaware, Inc.
- Clean out plug31 Mar 2026US 12,590,663 B2
- Apparatus and method for tapping a valve of a host pipe lined with a liner21 Oct 2025US 12,449,082 B2Fer-Pal Construction Ltd.
- Method of painting a vehicle brake component using a sealing plug23 Sep 2025US 12,420,306 B2Zf Cv Systems Europe BV
- Duct stringer assembly with bulkhead29 Jul 2025US 12,371,145 B2Airbus Operations GmbH
- Water Pump Drain Plug System1 Jan 2026US 2026/0002545 A1
- Apparatus and method for tapping a valve of a host pipe lined with a liner25 Dec 2025US 2025/0389363 A1Fer-Pal Construction Ltd.
- Clean out plug16 Jan 2025US 2025/0020259 A1
- Expandable Tapered Pin Plug For Heat Exchangers and Air Cooled Heat Exchangers2 Jan 2025US 2025/0003543 A1JNT Technical Services, Inc.
- Expansion plug and system and method employing same12 Sep 2024US 2024/0301982 A1
Most cited
By later US patents
- Combination cap and plug assembly106US 7,954,515 B2Colder Products Company · 2011
- Tube closure96US 5,224,515 APorex Technologies Corp. · 1993
- Conduit isolation diaphragm assembly44US 5,163,480 A1992
- Plug for sealing more than one size of hole44US 6,494,463 B12002
- Lockable compression plug assembly for hermetically sealing an opening in a part, such as the end of a tubular member40US 6,883,546 B12005