Y10T 137/87917
Flow path with serial valves and/or closures
Y10T137/87917 (Flow path with serial valves and/or closures) appears on 3,133 US grants and 1,516 published applications in this corpus.
Search patents in Y10T- Granted patents
- 3,133
- Published applications
- 1,516
- Assignees
- 1,455
- Inventors
- 4,200
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 38 | 0 |
| 1977 | 41 | 0 |
| 1978 | 53 | 0 |
| 1979 | 24 | 0 |
| 1980 | 52 | 0 |
| 1981 | 55 | 0 |
| 1982 | 48 | 0 |
| 1983 | 31 | 0 |
| 1984 | 57 | 0 |
| 1985 | 59 | 0 |
| 1986 | 64 | 0 |
| 1987 | 78 | 0 |
| 1988 | 56 | 0 |
| 1989 | 74 | 0 |
| 1990 | 63 | 0 |
| 1991 | 74 | 0 |
| 1992 | 73 | 0 |
| 1993 | 67 | 0 |
| 1994 | 79 | 0 |
| 1995 | 76 | 0 |
| 1996 | 63 | 0 |
| 1997 | 62 | 0 |
| 1998 | 83 | 0 |
| 1999 | 89 | 0 |
| 2000 | 103 | 0 |
| 2001 | 102 | 23 |
| 2002 | 60 | 51 |
| 2003 | 73 | 66 |
| 2004 | 69 | 87 |
| 2005 | 75 | 94 |
| 2006 | 78 | 91 |
| 2007 | 59 | 92 |
| 2008 | 47 | 88 |
| 2009 | 66 | 98 |
| 2010 | 64 | 125 |
| 2011 | 69 | 98 |
| 2012 | 115 | 109 |
| 2013 | 117 | 85 |
| 2014 | 135 | 93 |
| 2015 | 83 | 84 |
| 2016 | 77 | 39 |
| 2017 | 63 | 40 |
| 2018 | 47 | 37 |
| 2019 | 39 | 26 |
| 2020 | 28 | 18 |
| 2021 | 29 | 13 |
| 2022 | 12 | 9 |
| 2023 | 12 | 10 |
| 2024 | 19 | 16 |
| 2025 | 17 | 14 |
| 2026 | 16 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- Y10T 137/87925Separable flow path section, valve or closure in each1,291
- Y10T 137/88054Direct response normally closed valve limits direction of flow428
- Y10T 137/87981Common actuator321
- Y10T 137/88046Biased valve with external operator205
- Y10T 137/88022One valve head provides seat for other head200
- Y10T 137/88038One valve head carries other valve head168
- Y10T 137/88062Coaxial oppositely directed seats138
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Most cited
By later US patents
- Microfabricated elastomeric valve and pump systems619US 6,408,878 B1California Institute of Technology · 2002
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- Valve system with removable fluid interface540US 5,088,515 A1992
- Metering valve516US 4,164,959 AThe Salk Institute for Biological Studies · 1979
- Connector462US 4,334,551 ABecton, Dickinson and Company · 1982