F17D
Pipe-line systems
Official title: PIPE-LINE SYSTEMS; PIPE-LINES (pumps or compressors F04; fluid dynamics F15D; valves or the like F16K; pipes, laying pipes, supports, joints, branches, repairing, work on the entire line, accessories F16L; steam traps or the like F16T; fluid-pressure electric cables H01B9/06)
F17D (Pipe-line systems) appears on 2,810 US grants and 3,037 published applications in this corpus.
Search patents in F17D- Granted patents
- 2,810
- Published applications
- 3,037
- Assignees
- 1,563
- Inventors
- 6,330
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 13 | 0 |
| 1978 | 23 | 0 |
| 1979 | 18 | 0 |
| 1980 | 33 | 0 |
| 1981 | 25 | 0 |
| 1982 | 23 | 0 |
| 1983 | 11 | 0 |
| 1984 | 15 | 0 |
| 1985 | 20 | 0 |
| 1986 | 17 | 0 |
| 1987 | 34 | 0 |
| 1988 | 27 | 0 |
| 1989 | 26 | 0 |
| 1990 | 31 | 0 |
| 1991 | 30 | 0 |
| 1992 | 11 | 0 |
| 1993 | 13 | 0 |
| 1994 | 18 | 0 |
| 1995 | 21 | 0 |
| 1996 | 18 | 0 |
| 1997 | 12 | 0 |
| 1998 | 21 | 0 |
| 1999 | 30 | 0 |
| 2000 | 31 | 0 |
| 2001 | 30 | 13 |
| 2002 | 29 | 39 |
| 2003 | 31 | 40 |
| 2004 | 30 | 46 |
| 2005 | 20 | 41 |
| 2006 | 30 | 48 |
| 2007 | 31 | 54 |
| 2008 | 17 | 64 |
| 2009 | 16 | 58 |
| 2010 | 31 | 84 |
| 2011 | 53 | 90 |
| 2012 | 56 | 94 |
| 2013 | 96 | 280 |
| 2014 | 108 | 210 |
| 2015 | 171 | 226 |
| 2016 | 159 | 161 |
| 2017 | 169 | 156 |
| 2018 | 152 | 176 |
| 2019 | 142 | 140 |
| 2020 | 134 | 162 |
| 2021 | 129 | 130 |
| 2022 | 128 | 169 |
| 2023 | 120 | 144 |
| 2024 | 148 | 171 |
| 2025 | 137 | 141 |
| 2026 | 93 | 100 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
Recent patents
- Management system for vacuum heat insulating body22 Sep 2026US 12,742,523 B2Panasonic Intellectual Property Management Co., Ltd.
- Methods and systems for sand removal15 Sep 2026US 12,736,189 B2Saudi Arabian Oil Company
- Pipe wear monitoring system and method of use thereof15 Sep 2026US 12,736,322 B22C Holdings Pty Ltd
- Hydrogen transport, distribution and storage system, method and apparatus8 Sep 2026US 12,729,814 B2H2C Safety Pipe, Inc.
- System and method for optimizing pipeline network performance8 Sep 2026US 12,729,817 B2Saudi Arabian Oil Company
- A hazardous fluid isolation system8 Oct 2026US 2026/0309284 A1Fabrum IP Holdings Limited
- Fluid equipment state determination8 Oct 2026US 2026/0309285 A1Equiptank Engineering, S.L.
- Gas odorization apparatus, control, and associated methods8 Oct 2026US 2026/0309286 A1Tpe Midstream LLC
- Internet of things (iot) system for the control of smart gas pressure regulation station8 Oct 2026US 2026/0310247 A1Chengdu Qinchuan Iot Technology Co., Ltd.
- Fluid distribution device1 Oct 2026US 2026/0298416 A1Process Technology Inc.
Most cited
By later US patents
- Dual wall safety tube580US 4,653,541 AParker-Hannifin Corporation · 1987
- Method and a plant for transport of hydrocarbons over a long distance from an offshore source of hydrocarbons555US 4,991,614 AKvaerner Engineering A.S. · 1991
- Plasma process apparatus and plasma process method554US 8,683,943 B2Tokyo Electron Limited · 2014
- Method for supplying gas with flow rate gradient over substrate524US 8,664,627 B1ASM IP Holding B. V. · 2014
- Method of parallel shift operation of multiple reactors523US 8,911,826 B2ASM IP Holding B. V. · 2014