F16L 11/11
With corrugated wall
Official title: with corrugated wall
F16L11/11 (With corrugated wall) appears on 499 US grants and 444 published applications in this corpus.
Search patents in F16L- Granted patents
- 499
- Published applications
- 444
- Assignees
- 292
- Inventors
- 893
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 5 | 0 |
| 1982 | 10 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 12 | 0 |
| 1996 | 9 | 0 |
| 1997 | 12 | 0 |
| 1998 | 15 | 0 |
| 1999 | 14 | 0 |
| 2000 | 16 | 0 |
| 2001 | 10 | 2 |
| 2002 | 9 | 7 |
| 2003 | 4 | 14 |
| 2004 | 6 | 17 |
| 2005 | 6 | 11 |
| 2006 | 10 | 17 |
| 2007 | 5 | 18 |
| 2008 | 5 | 14 |
| 2009 | 9 | 17 |
| 2010 | 4 | 20 |
| 2011 | 8 | 16 |
| 2012 | 5 | 12 |
| 2013 | 12 | 16 |
| 2014 | 11 | 27 |
| 2015 | 20 | 21 |
| 2016 | 14 | 15 |
| 2017 | 18 | 23 |
| 2018 | 18 | 23 |
| 2019 | 21 | 16 |
| 2020 | 24 | 28 |
| 2021 | 16 | 22 |
| 2022 | 17 | 18 |
| 2023 | 15 | 18 |
| 2024 | 17 | 19 |
| 2025 | 14 | 15 |
| 2026 | 8 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stainless-steel braided pipe assembly6 Oct 2026US 12,753,862 B2Taizhou Kloe Dafeng Plumbing Co., Ltd.
- Hardhat with air conduit15 Sep 2026US 12,734,377 B23M Innovative Properties Company
- Air hose8 Sep 2026US 12,729,014 B2Illinois Tool Works Inc.
- High-pressure fluid line4 Aug 2026US 12,698,849 B2Fränkische Industrial Pipes GMBH & CO. KG
- Pump apparatus and associated system and method28 Apr 2026US 12,611,046 B2Sage Products, LLC
- 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.
- Pump apparatus and associated system and method10 Sep 2026US 2026/0262852 A1Sage Products, LLC
- Air-conditioner decoration tube27 Aug 2026US 2026/0251239 A1
- Tubular member and wire harness25 Jun 2026US 2026/0180294 A1Autonetworks Technologies, Ltd.
- Pump apparatus and associated system and method18 Jun 2026US 2026/0165497 A1Sage Products, LLC
Most cited
By later US patents
- Flexible pressure-confining conduit assembly163US 4,683,917 AProprietary Technology, Inc. · 1987
- Corrugated multi-layer tubing having at least one fluoroplastic layer145US 5,284,184 AITT Corporation · 1994
- Connectible flexible convoluted tubing140US 4,865,362 ADayco Products, Inc. · 1989
- Plastic pipe comprising an outer corrugated pipe and a smooth inner wall108US 4,754,781 AWavin B. V. · 1988
- Removable connection assembly103US 4,758,023 AThe Singer Company · 1988