F16L 41/021
T- or cross-pieces
Official title: {T- or cross-pieces (F16L41/025, F16L41/026, F16L41/028 take precedence)}
F16L41/021 (T- or cross-pieces) appears on 364 US grants and 424 published applications in this corpus.
Search patents in F16L- Granted patents
- 364
- Published applications
- 424
- Assignees
- 281
- Inventors
- 820
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 1 |
| 2003 | 2 | 3 |
| 2004 | 2 | 8 |
| 2005 | 3 | 11 |
| 2006 | 8 | 9 |
| 2007 | 3 | 8 |
| 2008 | 4 | 10 |
| 2009 | 1 | 10 |
| 2010 | 6 | 10 |
| 2011 | 7 | 8 |
| 2012 | 6 | 10 |
| 2013 | 6 | 20 |
| 2014 | 5 | 21 |
| 2015 | 6 | 16 |
| 2016 | 11 | 17 |
| 2017 | 13 | 22 |
| 2018 | 19 | 34 |
| 2019 | 21 | 26 |
| 2020 | 32 | 26 |
| 2021 | 20 | 33 |
| 2022 | 25 | 27 |
| 2023 | 28 | 29 |
| 2024 | 27 | 31 |
| 2025 | 33 | 21 |
| 2026 | 19 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pipe fitting6 Oct 2026US 12,753,870 B2Tyco Fire Products LP
- Multi-tire air hose kit29 Sep 2026US 12,747,809 B2
- Connector for flexible tubing used for fluid transport8 Sep 2026US 12,728,252 B2Md Innovate
- Tubular connector11 Aug 2026US D1,141,083 S1Reliance Worldwide Corporation · Design
- Branch tee for sprinkler pipes controlling water stream automatically and sprinkler piping system having the same28 Jul 2026US 12,692,965 B2
- Fasteners for a manifold1 Oct 2026US 2026/0298388 A1Advanced Drainage Systems, Inc.
- Connector for precursor delivery10 Sep 2026US 2026/0266406 A1Lam Research Corporation
- Fluid distribution junction3 Sep 2026US 2026/0258894 A1SaniSure, Inc.
- Double pipe fitting23 Jul 2026US 2026/0210469 A1Georg Ficher Rohrleitungssysteme AG
- Heat insulation cover member for drip prevention or drip suppression of dew condensation water, covering member for other heat exchange pipes and ducts, piping structure and duct covering structure using same, electrical device box covering structure, nonwoven fabric to be used in said heat insulation cover member and method for using said nonwoven fabric in heat insulation cover member, and method for using said heat insulation cover member for various covering members including heat exchange p16 Jul 2026US 2026/0202001 A1Furukawa Electric Co., Ltd.
Most cited
By later US patents
- Frac manifold missile and fitting148US 10,982,523 B1KHOLLE Magnolia 2015, LLC · 2021
- Flowline junction fittings for frac systems127US 10,662,749 B1KHOLLE Magnolia 2015, LLC · 2020
- Coupling members for pipeline assemblies60US 4,461,498 AVictaulic Company of America · 1984
- Modular fluid end for a multiplex plunger pump60US 9,791,082 B2Forum US, Inc. · 2017
- Quick-connect fittings for a trickle type irrigation system53US 3,973,732 A1976