F16L 59/125
Helical spacers
F16L59/125 (Helical spacers) appears on 11 US grants and 7 published applications in this corpus.
Search patents in F16L- Granted patents
- 11
- Published applications
- 7
- Assignees
- 8
- Inventors
- 27
- Latest grant
- 18 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Ultra-long thermally insulated pipeline and forming method thereof18 Oct 2022US 11,473,717 B2Shinda (Tangshan) Creative Oil & Gas Equipment Co., Ltd.
- Flexible composite tubular assembly with high insulation properties and method for making same24 Aug 2010US 7,781,040 B2Deepflex Inc.
- Load-bearing, lightweight, and compact super-insulation system5 Jun 2007US 7,226,243 B2Aspen Aerogels, Inc.
- Flexible conduit11 Jan 2005US 6,840,284 B2Nexans
- Structure formed from a straight strip bent or corrugated and the method of manufacturing same22 Aug 1989US 4,858,653 AInstitut Francais du Petrole et Coflexip
- Ultra-long thermally insulated pipeline and forming method thereof24 Jun 2021US 2021/0190253 A1Shinda (Tangshan) Creative Oil & Gas Equipment Co., Ltd.
- Insulation members employing standoff surfaces for insulating pipes, and related components and methods22 Aug 2013US 2013/0213515 A1
- Flexible composite tubular assembly with high insulation properties and method for making same25 Sep 2008US 2008/0233318 A1George Coyle
- Light weight insulation for pipelines19 Jul 2007US 2007/0163666 A1Aspen Aerogels, Inc.
- Flexible, compression resistant and highly insulating systems7 Sep 2006US 2006/0196568 A1
Most cited
By later US patents
- Load-bearing, lightweight, and compact super-insulation system21US 7,226,243 B2Aspen Aerogels, Inc. · 2007
- Conduit system for transporting low temperature fluids20US 4,570,678 AKabelmetal Electro GmbH · 1986
- Thermally insulated tube18US 4,351,365 AKabel-und Metallwerke Gutehoffnungshutte Aktiengesellschaft · 1982
- Flexible composite tubular assembly with high insulation properties and method for making same17US 7,781,040 B2Deepflex Inc. · 2010
- Spacer in concentric tube systems15US 4,259,990 AKabel-und Metallwerke Gutehoffnungshutte Aktiengesellschaft · 1981