F17D 1/005
Pipe-line systems: for a two-phase gas-liquid flow
Official title: {for a two-phase gas-liquid flow}
F17D1/005 (Pipe-line systems: for a two-phase gas-liquid flow) appears on 101 US grants and 80 published applications in this corpus.
Search patents in F17D- Granted patents
- 101
- Published applications
- 80
- Assignees
- 74
- Inventors
- 238
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 3 |
| 2006 | 0 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 3 |
| 2010 | 1 | 5 |
| 2011 | 2 | 7 |
| 2012 | 0 | 3 |
| 2013 | 7 | 2 |
| 2014 | 7 | 5 |
| 2015 | 0 | 6 |
| 2016 | 1 | 7 |
| 2017 | 3 | 3 |
| 2018 | 10 | 4 |
| 2019 | 4 | 4 |
| 2020 | 2 | 1 |
| 2021 | 1 | 3 |
| 2022 | 5 | 4 |
| 2023 | 0 | 4 |
| 2024 | 5 | 5 |
| 2025 | 1 | 2 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pressure boosting system for multi-phase crude oil28 Jul 2026US 12,692,988 B2Al-Khorayef Petroleum Company
- Corrosion monitoring system for multiphase fluids pipelines24 Feb 2026US 12,560,285 B2Saudi Arabian Oil Company
- Natural gas liquid modular terminal27 Jan 2026US 12,535,189 B2Flashpoint Energy Partners, LLC
- Multiphase flow instability control20 Jan 2026US 12,529,452 B2Schlumberger Technology Corporation
- Gas compressor cleaning13 May 2025US 12,296,364 B2Equinor Energy AS
- Systems and methods for recovery of hydrocarbon liquids in oil and gas pipelines26 Mar 2026US 2026/0085795 A1Zenrg Services, LLC
- Natural gas liquid modular terminal6 Mar 2025US 2025/0075863 A1Flashpoint Energy Partners, LLC
- Pressure boosting system for multi-phase crude oil20 Feb 2025US 2025/0060078 A1Al-Khorayef Petroleum Company
- Corrosion monitoring system for multiphase fluids pipelines19 Sep 2024US 2024/0310005 A1Saudi Arabian Oil Company
- Slug monitoring and forecasting in production flowlines through artificial intelligence27 Jun 2024US 2024/0211739 A1Schlumberger Technology Corporation
Most cited
By later US patents
- 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
- Flow regime determination and flow measurement in multiphase flow pipelines160US 5,708,211 AOhio University · 1998
- Method and apparatus for controlling the distribution of two-phase fluids flowing through impacting pipe tees95US 5,810,032 AChevron U.S.A.Inc. · 1998
- Multi-phase petroleum stream monitoring system and method46US 4,760,742 ATexaco Inc. · 1988
- Method and apparatus for transporting unprocessed well streams46US 4,848,471 AABB Atom AB · 1989