Y10T 137/7907
Varying effective lever arm
Y10T137/7907 (Varying effective lever arm) appears on 8 US grants and 1 published applications in this corpus.
Search patents in Y10T- Granted patents
- 8
- Published applications
- 1
- Assignees
- 7
- Inventors
- 12
- Latest grant
- 9 Jul 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Safety valve9 Jul 2013US 8,479,764 B2Bhdt GmbH
- Valve apparatus and valve system using thereof21 May 2002US 6,391,019 B1Seiko Instruments Inc.
- Spring-loaded safety valve8 May 2001US 6,227,239 B1Asea Brown Boveri AG
- Compound lever controlled spill valve27 Apr 1993US 5,205,311 AElectromechanical Research Laboratories, Inc.
- Differential loading fluid check valve10 Sep 1991US 5,046,525 AAmes Company, Inc.
Most cited
By later US patents
- Valve apparatus and valve system using thereof127US 6,391,019 B1Seiko Instruments Inc. · 2002
- Differential loading fluid check valve46US 5,046,525 AAmes Company, Inc. · 1991
- Ventilator apparatus11US 4,384,576 AThompson Respiration Products, Inc. · 1983
- Pressure relief valve and regulator7US 4,687,022 A1987
- Compound lever controlled spill valve6US 5,205,311 AElectromechanical Research Laboratories, Inc. · 1993