Y10T 137/7861
Annular head
Y10T137/7861 (Annular head) appears on 111 US grants and 23 published applications in this corpus.
Search patents in Y10T- Granted patents
- 111
- Published applications
- 23
- Assignees
- 67
- Inventors
- 151
- Latest grant
- 1 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 13 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 3 |
| 2003 | 5 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 6 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 4 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Plate valve and method for operating same1 Nov 2022US 11,486,505 B2Burckhardt Compression AG
- Micro water pump capable of controlling flow precisely29 Oct 2019US 10,458,402 B2Xiamen Conjoin Electronics Technology Co., Ltd.
- Valve plate for gas exchange valves11 Jul 2017US 9,702,353 B2Hoerbiger Kompressortechnik Holding GmbH
- Suction valve with unloader4 Mar 2014US 8,662,105 B2Hoerbiger Kompressortechnik Holding GmbH
- Low-pressure valve with an inner and outer throughflow cross section31 Dec 2013US 8,616,523 B2Robert Bosch GmbH
- Plate valve and method for operating same28 Jan 2021US 2021/0025508 A1Burckhardt Compression AG
- Micro water pump capable of controlling flow precisely25 Jan 2018US 2018/0023556 A1Xiamen Conjoin Electronics Technology Co., Ltd.
- Valve plate for gas exchange valves19 Mar 2015US 2015/0075650 A1Hoerbiger Kompressortechnik Holding GmbH
- Suction valve with unloader21 Jun 2012US 2012/0152379 A1Hoerbiger Kompressortechnik Holding GmbH
- Low-Pressure Valve with an Inner and Outer Throughflow Cross Section21 Jul 2011US 2011/0175004 A1Robert Bosch GmbH
Most cited
By later US patents
- Hydraulic shock absorber79US 5,072,812 ATokico Ltd. · 1991
- Suction valve for high pressure slurry pump73US 5,230,363 ADowell Schlumberger Incorporated · 1993
- Valve device, especially for air cushions40US 3,983,907 ACarmo Handels- og Industri A/S · 1976
- Shock absorber36US 3,945,474 AMonroe Auto Equipment Company · 1976
- Sleeve valve for parenteral solution device35US 4,346,704 ABaxter Travenol Laboratories, Inc. · 1982