Y10T 137/86783
Unequal heads
Y10T137/86783 (Unequal heads) appears on 4 US grants and 2 published applications in this corpus.
Search patents in Y10T- Granted patents
- 4
- Published applications
- 2
- Assignees
- 4
- Inventors
- 7
- Latest grant
- 21 Feb 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Double valve21 Feb 2006US 7,000,635 B2Siemens Building Technologies, Inc.
- Shut-off valve11 Jun 2002US 6,401,753 B2Siemens Building Technologies, Inc.
- Valve with pressure compensation14 Feb 1995US 5,388,613 ADragerwerk Aktiengesellschaft
- Double ported expansion valve21 Mar 1978US 4,079,886 AEmerson Electric Co.
Most cited
By later US patents