F17D 1/08
Pipe-line systems: for liquids or viscous products
Official title: for liquids or viscous products (water-main or service pipe systems E03B7/04; domestic hot-water supply systems F24D17/00)
F17D1/08 (Pipe-line systems: for liquids or viscous products) appears on 701 US grants and 721 published applications in this corpus.
Search patents in F17D- Granted patents
- 701
- Published applications
- 721
- Assignees
- 414
- Inventors
- 1,583
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 13 | 0 |
| 1979 | 9 | 0 |
| 1980 | 13 | 0 |
| 1981 | 15 | 0 |
| 1982 | 11 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 13 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 13 | 0 |
| 2001 | 9 | 3 |
| 2002 | 8 | 14 |
| 2003 | 8 | 8 |
| 2004 | 7 | 12 |
| 2005 | 2 | 11 |
| 2006 | 7 | 13 |
| 2007 | 10 | 19 |
| 2008 | 3 | 27 |
| 2009 | 4 | 12 |
| 2010 | 10 | 22 |
| 2011 | 19 | 28 |
| 2012 | 14 | 24 |
| 2013 | 25 | 79 |
| 2014 | 24 | 54 |
| 2015 | 43 | 65 |
| 2016 | 38 | 45 |
| 2017 | 48 | 42 |
| 2018 | 32 | 49 |
| 2019 | 44 | 38 |
| 2020 | 37 | 29 |
| 2021 | 27 | 25 |
| 2022 | 28 | 34 |
| 2023 | 17 | 29 |
| 2024 | 22 | 16 |
| 2025 | 24 | 13 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F17D 1/16Facilitating the conveyance of liquids or effecting the conveyance of viscous products379
- F17D 1/14Conveying liquids or viscous products by pumping66
- F17D 1/088For solids or suspensions of solids in liquids53
- F17D 1/082For cold fluids27
- F17D 1/12Conveying liquids or viscous products by pressure of another fluid22
- F17D 1/084For hot fluids11
- F17D 1/086For explosives10
- F17D 1/13Conveying liquids or viscous products by gravity3
Recent patents
- Pressure boosting system for multi-phase crude oil28 Jul 2026US 12,692,988 B2Al-Khorayef Petroleum Company
- Process to treat heavy oil or bitumen or mixtures of dilutants and heavy oil or bitumen26 May 2026US 12,636,590 B2
- System for transporting and storing, in particular hydrogen and its mixtures19 May 2026US 12,631,269 B2
- Manipulation of fluids, fluid components and reactions in microfluidic systems31 Mar 2026US 12,590,508 B2Brandeis University
- System for circulating a liquid31 Mar 2026US 12,590,679 B2Piusi S.P.A.
- A hazardous fluid isolation system8 Oct 2026US 2026/0309284 A1Fabrum IP Holdings Limited
- Fluid distribution device1 Oct 2026US 2026/0298416 A1Process Technology Inc.
- Manipulation of fluids, fluid components and reactions in microfluidic systems10 Sep 2026US 2026/0264083 A1Brandeis University
- Associative polymers and related compositions, methods and systems16 Jul 2026US 2026/0201124 A1California Institute of Technology
- Curved pipe segment for transporting a cryogenic fluid, associated arrangement and aircraft11 Jun 2026US 2026/0160372 A1Airbus Operations GmbH
Most cited
By later US patents
- Apparatus and methods for delivering a high volume of fluid into an underground well bore from a mobile pumping unit222US 9,395,049 B2Baker Hughes Incorporated · 2016
- Process for liquefaction of natural gas137US 6,023,942 AExxon Production Research Company · 2000
- Viscosity reduction processing at elevated pressure128US 4,778,586 AResource Technology Associates · 1988
- Process for reversible thickening of a liquid111US 4,735,731 AThe Dow Chemical Company · 1988
- Integrated bitumen production and gas conversion105US 6,531,516 B2ExxonMobil Research and Engineering Company · 2003