F16L 1/026
In or on a frozen surface
Official title: in or on a frozen surface
F16L1/026 (In or on a frozen surface) appears on 22 US grants and 11 published applications in this corpus.
Search patents in F16L- Granted patents
- 22
- Published applications
- 11
- Assignees
- 16
- Inventors
- 53
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 3 |
| 2017 | 0 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 2 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for transporting and storing, in particular hydrogen and its mixtures19 May 2026US 12,631,269 B2
- Anti-frost heaving supports and methods for crude oil pipelines crossing permafrost regions6 Feb 2024US 11,892,101 B1Northwest Institute of Eco-Environment and Resources, Cas
- Quick coupling system for vertical fluid conveying conduits3 Oct 2023US 11,774,016 B1Agi Industries, Inc.
- Quick coupling system for vertical fluid conveying conduits21 Sep 2021US 11,125,363 B1Agi Industries, Inc.
- Sprayable and pumpable urea silicate foam for pipe pillows, trench breakers and civil construction applications26 Jan 2021US 10,900,592 B2Minova International Limited
- System for transporting and storing, in particular hydrogen and its mixtures5 Dec 2024US 2024/0401753 A1
- Sprayable and pumpable urea silicate foam for pipe pillows, trench breakers and civil construction applications26 Apr 2018US 2018/0112801 A1Minova International Limited
- Ground Thawing Device7 Dec 2017US 2017/0350086 A1
- Method for monitoring the position of above-ground pipelines under permafrost conditions2 Feb 2017US 2017/0030527 A1L.L.C. “Transneft Research and Development Institute for Oil and Oil Products Transportation”
- Movable pipeline-support and support assembly thereof24 Nov 2016US 2016/0340859 A1Joint-Stock Company “Transneft Siberia”
Most cited
By later US patents
- Low heat conductive frangible centralizers26US 4,099,564 AChevron Research Company · 1978
- Aboveground sliding support assembly for a pipeline22US 4,128,219 AExxon Production Research Company · 1978
- Freestanding concrete pipe support21US 5,102,073 AAtlantic Richfield Company · 1992
- Flowline connection means19US 4,620,818 AShell Oil Company · 1986
- Clamp for arctic pipeline support18US 4,787,583 AConoco Inc. · 1988