F16L 11/14
Made of rigid material
Official title: made of rigid material, e.g. metal or hard plastics
F16L11/14 (Made of rigid material) appears on 673 US grants and 597 published applications in this corpus.
Search patents in F16L- Granted patents
- 673
- Published applications
- 597
- Assignees
- 415
- Inventors
- 1,179
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 12 | 0 |
| 1984 | 8 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 18 | 0 |
| 1999 | 17 | 0 |
| 2000 | 30 | 0 |
| 2001 | 21 | 10 |
| 2002 | 20 | 19 |
| 2003 | 21 | 23 |
| 2004 | 13 | 35 |
| 2005 | 18 | 25 |
| 2006 | 20 | 15 |
| 2007 | 8 | 18 |
| 2008 | 8 | 16 |
| 2009 | 6 | 15 |
| 2010 | 14 | 33 |
| 2011 | 11 | 25 |
| 2012 | 12 | 23 |
| 2013 | 14 | 26 |
| 2014 | 17 | 33 |
| 2015 | 20 | 26 |
| 2016 | 32 | 25 |
| 2017 | 18 | 25 |
| 2018 | 31 | 24 |
| 2019 | 25 | 27 |
| 2020 | 17 | 33 |
| 2021 | 21 | 27 |
| 2022 | 29 | 24 |
| 2023 | 26 | 30 |
| 2024 | 23 | 15 |
| 2025 | 13 | 16 |
| 2026 | 11 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for removable mounting of a hose into an air-conditioning duct15 Sep 2026US 12,736,167 B2
- Static discharge mitigation of vacuum cleaners1 Sep 2026US 12,721,490 B2Milwaukee Electric Tool Corporation
- Corrosion resistant tube and method of manufacture21 Jul 2026US 12,687,252 B2Indiana Tube Corporation
- Flexible tube assembly14 Jul 2026US 12,680,632 B2Tofle Co., Inc.
- Universal coupling2 Jun 2026US 12,644,545 B2Advanced Drainage Systems, Inc.
- High purity flexible conduit assembly and method17 Sep 2026US 2026/0276113 A1Hose Master, Inc.
- Compositions comprising clays and their use for the preparation of a tubular structure to reduce oligomer extraction16 Jul 2026US 2026/0201165 A1Arkema France
- Flexible hose with embedded helical conductors and method of manufacturing same18 Jun 2026US 2026/0168598 A1Plastiflex Group
- Stainless-steel corrugated pipe assembly21 May 2026US 2026/0139768 A1Taizhou Kloe Dafeng Plumbing Co., Ltd.
- Multi-layer heat insulated pipeline for conveying gas23 Apr 2026US 2026/0110385 A1
Most cited
By later US patents
- Flexible plastics vacuum cleaner core1,473US 5,778,939 ADual Voltage Co. Ltd. · 1998
- Flexible drill pipe1,412US 4,600,037 ATexas Eastern Drilling Systems, Inc. · 1986
- Corrosion control for chamber components372US 10,190,701 B2APPLIED Materials.Inc. · 2019
- Ball and socket joint with internal stop248US 5,449,206 ALockwood Products, Inc. · 1995
- Flexible shower arm assembly219US 5,865,378 ATeledyne Industries, Inc. · 1999