G01K 5/36
The body being a tubular spring
Official title: the body being a tubular spring, e.g. Bourdon tube
G01K5/36 (The body being a tubular spring) appears on 8 US grants and 2 published applications in this corpus.
Search patents in G01K- Granted patents
- 8
- Published applications
- 2
- Assignees
- 5
- Inventors
- 7
- Latest grant
- 3 Jan 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Mechanical and electronic temperature reading system with built-in failure and inaccuracy detection3 Jan 2012US 8,087,825 B2Weiss Instruments, Inc.
- Spring-elastic measuring element comprising a flat connecting element that can be welded27 Feb 2007US 7,181,976 B2Armaturenbau GmbH
- Structure for vehicular temperature, air pressure and vacuum meter18 Nov 2003US 6,648,505 B1Equus Inc.
- Combination pressure/temperature gauge employing two bourdon tubes20 Apr 1999US 5,895,861 AWeiss Instruments, Inc.
- Welded edge bourdon strip thermometer-manometer3 Mar 1987US 4,646,406 AWeiss Instruments, Inc.
Most cited
By later US patents
- Bourdon tube transducer35US 4,279,155 A1981
- Combination pressure/temperature gauge employing two bourdon tubes16US 5,895,861 AWeiss Instruments, Inc. · 1999
- Welded edge bourdon strip thermometer-manometer9US 4,646,406 AWeiss Instruments, Inc. · 1987
- Temperature responsive control apparatus8US 4,253,603 AWoodward Governor Company · 1981
- Structure for vehicular temperature, air pressure and vacuum meter3US 6,648,505 B1Equus Inc. · 2003