F16L 11/04
Made of rubber or flexible plastics
Official title: made of rubber or flexible plastics
F16L11/04 (Made of rubber or flexible plastics) appears on 2,958 US grants and 3,159 published applications in this corpus.
Search patents in F16L- Granted patents
- 2,958
- Published applications
- 3,159
- Assignees
- 1,325
- Inventors
- 5,708
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 27 | 0 |
| 1977 | 19 | 0 |
| 1978 | 30 | 0 |
| 1979 | 24 | 0 |
| 1980 | 29 | 0 |
| 1981 | 33 | 0 |
| 1982 | 25 | 0 |
| 1983 | 21 | 0 |
| 1984 | 21 | 0 |
| 1985 | 14 | 0 |
| 1986 | 17 | 0 |
| 1987 | 31 | 0 |
| 1988 | 20 | 0 |
| 1989 | 28 | 0 |
| 1990 | 24 | 0 |
| 1991 | 30 | 0 |
| 1992 | 31 | 0 |
| 1993 | 34 | 0 |
| 1994 | 42 | 0 |
| 1995 | 53 | 0 |
| 1996 | 43 | 0 |
| 1997 | 53 | 0 |
| 1998 | 58 | 0 |
| 1999 | 72 | 0 |
| 2000 | 81 | 0 |
| 2001 | 70 | 21 |
| 2002 | 70 | 74 |
| 2003 | 68 | 101 |
| 2004 | 57 | 131 |
| 2005 | 57 | 113 |
| 2006 | 60 | 111 |
| 2007 | 39 | 96 |
| 2008 | 28 | 107 |
| 2009 | 41 | 102 |
| 2010 | 56 | 108 |
| 2011 | 51 | 110 |
| 2012 | 56 | 98 |
| 2013 | 63 | 136 |
| 2014 | 86 | 156 |
| 2015 | 88 | 152 |
| 2016 | 92 | 144 |
| 2017 | 142 | 146 |
| 2018 | 125 | 156 |
| 2019 | 125 | 151 |
| 2020 | 124 | 154 |
| 2021 | 126 | 140 |
| 2022 | 104 | 159 |
| 2023 | 112 | 130 |
| 2024 | 108 | 128 |
| 2025 | 89 | 141 |
| 2026 | 61 | 94 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16L 11/08With reinforcements embedded in the wall1,204
- F16L 11/12With arrangements for particular purposes1,126
- F16L 11/11With corrugated wall499
- F16L 2011/047With a diffusion barrier layerIndexing code354
- F16L 11/10With reinforcements not embedded in the wall224
- F16L 11/045With four or more layers without reinforcement106
- F16L 11/06With homogeneous wall82
- F16L 11/042Formed by bending a sheet and connecting the edges23
Recent patents
- Durable, flexible, lightweight water hose with multiple bonded layers6 Oct 2026US 12,753,861 B2Teknor Apex Company
- Stainless-steel braided pipe assembly6 Oct 2026US 12,753,862 B2Taizhou Kloe Dafeng Plumbing Co., Ltd.
- Braided flexible pipe assembly6 Oct 2026US 12,753,863 B2Taizhou Kloe Dafeng Plumbing Co., Ltd.
- Multi-tire air hose kit29 Sep 2026US 12,747,809 B2
- Hose for conveying refrigerant22 Sep 2026US 12,742,508 B2The Yokohama Rubber Co., Ltd.
- Composite layer and method thereof8 Oct 2026US 2026/0309254 A1Baker Hughes Energy Technology UK Limited
- Liner hose with integrated sensor system8 Oct 2026US 2026/0309255 A1Relineeurope GmbH
- Tube for an air brake line1 Oct 2026US 2026/0298375 A1
- Coextruded tubing and methods of manufacturing the same1 Oct 2026US 2026/0298376 A1
- Class 1 flexible uninsulated duct with polymer core and integrated flame resistant barrier layer, method of use, and method of making1 Oct 2026US 2026/0298394 A1Flexible Technologies, Inc.
Most cited
By later US patents
- Guide catheter having selected flexural modulus segments472US 5,911,715 ASciMed Life Systems, Inc. · 1999
- Method of making a kink-resistant catheter405US 6,702,972 B1Diametrics Medical, Inc. · 2004
- Electrically heated flexible tube having temperature measuring probe379US 4,038,519 ARhone-Poulenc Inc. · 1977
- Small diameter, high torque catheter346US 5,676,659 AMedtronic, Inc. · 1997
- Humidifier conduit295US 5,640,951 AFisher & Paykel Limited · 1997