F16K 31/50
With screw-spindle or internally threaded actuating means
Official title: with screw-spindle {or internally threaded actuating means}
F16K31/50 (With screw-spindle or internally threaded actuating means) appears on 631 US grants and 662 published applications in this corpus.
Search patents in F16K- Granted patents
- 631
- Published applications
- 662
- Assignees
- 432
- Inventors
- 1,285
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 9 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 2 |
| 2002 | 3 | 3 |
| 2003 | 6 | 7 |
| 2004 | 5 | 6 |
| 2005 | 3 | 9 |
| 2006 | 10 | 12 |
| 2007 | 9 | 4 |
| 2008 | 3 | 13 |
| 2009 | 7 | 11 |
| 2010 | 10 | 9 |
| 2011 | 4 | 8 |
| 2012 | 9 | 14 |
| 2013 | 8 | 14 |
| 2014 | 11 | 28 |
| 2015 | 15 | 28 |
| 2016 | 26 | 46 |
| 2017 | 25 | 48 |
| 2018 | 29 | 34 |
| 2019 | 48 | 46 |
| 2020 | 43 | 65 |
| 2021 | 47 | 50 |
| 2022 | 49 | 49 |
| 2023 | 42 | 45 |
| 2024 | 58 | 44 |
| 2025 | 29 | 28 |
| 2026 | 17 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16K 31/508The actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element317
- F16K 31/504The actuating means being rotable, rising, and having internal threads which co-operate61
- F16K 31/502Actuating pivotable valve members36
- F16K 31/506With plural sets of thread25
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Most cited
By later US patents
- Cooling control system and expansion valve therefor118US 4,506,518 APacific Industrial Co., Ltd. · 1985
- Motor operated valve55US 6,561,480 B1Kabushiki Kaisha Saginomiya Seisakusho · 2003
- Magnetically actuated valve45US 4,452,423 AMartin Marietta Corporation · 1984
- Fire-control sprinkler system45US 6,601,604 B12003
- Container having gate valve38US 10,472,169 B1Perimeter Solutions LP · 2019