H02G 15/26
Expansion vessels
Official title: Expansion vessels; Locking heads; Auxiliary pipe-lines
H02G15/26 (Expansion vessels) appears on 36 US grants and 8 published applications in this corpus.
Search patents in H02G- Granted patents
- 36
- Published applications
- 8
- Assignees
- 27
- Inventors
- 61
- Latest grant
- 17 Mar 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 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 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Holdout devices and cover assemblies and methods incorporating the same17 Mar 2020US 10,594,128 B2Te Connectivity Corporation
- Universal bushing4 Jul 2017US 9,698,588 B2Cooper Technology Company
- Bushing of an electrical conductor6 Jun 2017US 9,672,962 B2Micro-Epsilon Messtechnik GmbH & Co.KG
- High-voltage electrical connector27 Mar 2012US 8,142,215 B2Vetco Gray Scandinavia.AS
- Check valve for charge tank27 Apr 2010US 7,704,087 B1UTILX Corporation
- Holdout devices and cover assemblies and methods incorporating the same11 May 2017US 2017/0133833 A1Tyco Electronics Corporation
- Universal bushing6 Nov 2014US 2014/0326498 A1Cooper Technology Company
- Bushing of an electrical conductor28 Mar 2013US 2013/0075133 A1Micro-Epsilon Messtechnik GmbH & Co.KG
- High-voltage electrical connector30 Sep 2010US 2010/0248514 A1Vetco Gray Scandanavia AS
- Fluid reservoir for a cable span19 Oct 2006US 2006/0231284 A1UTILX Corporation
Most cited
By later US patents
- Connections and terminations for cables33US 6,489,554 B1UTILX Corporation · 2002
- Apparatus and method for prolonging the service life of electrical power cables32US 4,545,133 AAmerican Public Power Association Inc. · 1985
- Integrated method for restoring electrical power cable27US 7,353,601 B1Novinium, Inc. · 2008
- Bellows pump and pumping plant for oil-filled electric cables19US 4,080,107 AIndustrie Pirelli Societa per Azioni · 1978
- Apparatus for pneumatically communicating with a pressurized cable16US 4,107,454 ALourdes Industries, Inc. · 1978