F17D 1/05
Preventing freezing
Official title: Preventing freezing (by heating F16L53/30)
F17D1/05 (Preventing freezing) appears on 70 US grants and 54 published applications in this corpus.
Search patents in F17D- Granted patents
- 70
- Published applications
- 54
- Assignees
- 53
- Inventors
- 128
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 0 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 3 |
| 2010 | 2 | 1 |
| 2011 | 2 | 2 |
| 2012 | 3 | 8 |
| 2013 | 7 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 7 |
| 2017 | 1 | 5 |
| 2018 | 3 | 5 |
| 2019 | 6 | 2 |
| 2020 | 4 | 0 |
| 2021 | 4 | 2 |
| 2022 | 1 | 3 |
| 2023 | 2 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Subsea pipeline remediation heating17 Mar 2026US 12,578,049 B2Salamander IP Holdings LLC
- Real time integrity monitoring of on-shore pipes5 Aug 2025US 12,379,075 B2FlexSteel USA, LLC
- Method for frost heave prevention treatment of smart gas pipeline and internet of things system thereof16 Jul 2024US 12,038,139 B2Chengdu Qinchuan Iot Technology Co., Ltd.
- Methods for smart gas pipeline frost heave safety management and internet of things systems thereof21 Nov 2023US 11,821,589 B2Chengdu Qinchuan Iot Technology Co., Ltd.
- Real time integrity monitoring of on-shore pipes20 Jun 2023US 11,680,685 B2Trinity Bay Equipment Holdings, LLC
- Subsea pipeline remediation heating25 Jul 2024US 2024/0247747 A1Salamander IP Holdings LLC
- Method for frost heave prevention treatment of smart gas pipeline and internet of things system thereof28 Dec 2023US 2023/0417373 A1Chengdu Qinchuan Iot Technology Co., Ltd.
- Real time integrity monitoring of on-shore pipes12 Oct 2023US 2023/0324010 A1Trinity Bay Equipment Holdings, LLC
- Methods for smart gas pipeline frost heave safety management and internet of things systems thereof29 Jun 2023US 2023/0204163 A1Chengdu Qinchuan Iot Technology Co., Ltd.
- System and Method for Electric Heating Trace System Management15 Dec 2022US 2022/0400536 A1
Most cited
By later US patents
- Grafted polymers as gas hydrate inhibitors123US 6,867,262 B1BASF SE · 2005
- Method of transporting a hydrate forming fluid51US 4,915,176 AInstitut Francais du Petrole · 1990
- Method for inhibiting the plugging of conduits by gas hydrates45US 5,879,561 AShell Oil Company · 1999
- Additives for inhibiting gas hydrate formation35US 6,566,309 B1Clariant GmbH · 2003
- Process for slowing the growth and/or agglomeration and possibly retarding the formation of hydrates in a production effluent34US 6,093,862 AInstitut Francais du Petrole · 2000