F16K 35/06
Means to prevent accidental or unauthorised actuation: using a removable actuating or
Official title: using a removable actuating or locking member, e.g. a key (F16K35/10, F16K35/12 take precedence)
F16K35/06 (Means to prevent accidental or unauthorised actuation: using a removable actuating or) appears on 331 US grants and 205 published applications in this corpus.
Search patents in F16K- Granted patents
- 331
- Published applications
- 205
- Assignees
- 187
- Inventors
- 500
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 11 | 0 |
| 1994 | 8 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 3 |
| 2002 | 8 | 4 |
| 2003 | 4 | 2 |
| 2004 | 2 | 6 |
| 2005 | 4 | 6 |
| 2006 | 7 | 9 |
| 2007 | 2 | 5 |
| 2008 | 5 | 4 |
| 2009 | 5 | 5 |
| 2010 | 2 | 6 |
| 2011 | 2 | 2 |
| 2012 | 5 | 10 |
| 2013 | 3 | 4 |
| 2014 | 8 | 13 |
| 2015 | 10 | 17 |
| 2016 | 12 | 11 |
| 2017 | 18 | 16 |
| 2018 | 12 | 12 |
| 2019 | 13 | 15 |
| 2020 | 16 | 19 |
| 2021 | 16 | 5 |
| 2022 | 9 | 8 |
| 2023 | 12 | 9 |
| 2024 | 4 | 9 |
| 2025 | 5 | 2 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Lockout modules538US 5,116,018 AAutomax, Inc. · 1992
- Adjustable lockout device for knife gate valves530US 6,044,860 ASPX Corporation · 2000
- Valve lockout/tag out system516US 6,494,065 B2Babbitt Steam Specialty Company · 2002
- Lockout tagout for semiconductor vacuum valve500US 9,404,587 B2ASM IP Holding B. V. · 2016
- Butterfly valve assembly and method of manufacture80US 5,370,148 A1994