F16L 9/14
Compound tubes, i.e. made of materials not wholly covered by any one
Official title: Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups (F16L9/16 - F16L9/22 take precedence)
F16L9/14 (Compound tubes, i.e. made of materials not wholly covered by any one) appears on 499 US grants and 541 published applications in this corpus.
Search patents in F16L- Granted patents
- 499
- Published applications
- 541
- Assignees
- 406
- Inventors
- 1,187
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 15 | 0 |
| 2000 | 17 | 0 |
| 2001 | 19 | 2 |
| 2002 | 8 | 14 |
| 2003 | 10 | 11 |
| 2004 | 9 | 16 |
| 2005 | 8 | 14 |
| 2006 | 8 | 14 |
| 2007 | 5 | 15 |
| 2008 | 4 | 13 |
| 2009 | 4 | 14 |
| 2010 | 7 | 24 |
| 2011 | 6 | 20 |
| 2012 | 8 | 18 |
| 2013 | 15 | 41 |
| 2014 | 21 | 40 |
| 2015 | 20 | 28 |
| 2016 | 26 | 31 |
| 2017 | 22 | 22 |
| 2018 | 33 | 34 |
| 2019 | 23 | 19 |
| 2020 | 21 | 20 |
| 2021 | 16 | 28 |
| 2022 | 13 | 29 |
| 2023 | 21 | 21 |
| 2024 | 18 | 24 |
| 2025 | 12 | 18 |
| 2026 | 8 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Preparation method and use of hybrid composite pipes25 Aug 2026US 12,716,528 B2
- Corrosion-free welding connection for reinforced thermoplastic pipes (RTP)18 Aug 2026US 12,710,118 B1Saudi Arabian Oil Company
- Lined pipe and joints thereof4 Aug 2026US 12,698,850 B2
- Abrasion resistant coated tube14 Jul 2026US 12,680,629 B2Cooper-Standard Automotive Inc.
- Methods for intelligent composite renewal system for standalone, storage, and renewed pipelines, including for reduced carbon emission and for conversion of in place pipelines for conveyance of hydrogen and other clean fuels16 Jun 2026US 12,654,418 B2Safegaurd, LLC
- Motor vehicle pipeline and method for manufacturing a motor vehicle pipeline1 Oct 2026US 2026/0296393 A1
- Corrosion-free welding connection for reinforced thermoplastic pipes (rtp)20 Aug 2026US 2026/0243375 A1Saudi Arabian Oil Company
- Insulation fitting23 Jul 2026US 2026/0213048 A1Georg Fischer Rohrleitungssysteme AG
- Corrugated fiber-reinforced cylinder pipe and manufacturing method thereof2 Jul 2026US 2026/0185637 A1Zhengzhou University
- Hvacr pipe11 Jun 2026US 2026/0160361 A1Ptubes, Inc.
Most cited
By later US patents
- Guide catheter having selected flexural modulus segments472US 5,911,715 ASciMed Life Systems, Inc. · 1999
- Elastic guide catheter transition element269US 5,569,218 ASciMed Life Systems, Inc. · 1996
- Guide catheter having a plurality of filled distal grooves226US 5,897,537 ASciMed Life Systems, Inc. · 1999
- Method of lining a pipe194US 4,009,063 AInsituform (Pipes & Structures) Ltd. · 1977
- Spoolable composite tubular member with energy conductors188US 5,913,337 AFiber Spar and Ture Corporation · 1999