F16K 35/10
Means to prevent accidental or unauthorised actuation: with locking caps or locking
Official title: with locking caps or locking bars
F16K35/10 (Means to prevent accidental or unauthorised actuation: with locking caps or locking) appears on 302 US grants and 240 published applications in this corpus.
Search patents in F16K- Granted patents
- 302
- Published applications
- 240
- Assignees
- 158
- Inventors
- 515
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 12 | 0 |
| 2001 | 17 | 5 |
| 2002 | 8 | 4 |
| 2003 | 5 | 6 |
| 2004 | 8 | 9 |
| 2005 | 3 | 6 |
| 2006 | 4 | 11 |
| 2007 | 4 | 6 |
| 2008 | 3 | 4 |
| 2009 | 6 | 11 |
| 2010 | 1 | 5 |
| 2011 | 7 | 5 |
| 2012 | 3 | 10 |
| 2013 | 7 | 8 |
| 2014 | 10 | 6 |
| 2015 | 9 | 24 |
| 2016 | 16 | 11 |
| 2017 | 17 | 19 |
| 2018 | 13 | 7 |
| 2019 | 7 | 16 |
| 2020 | 13 | 16 |
| 2021 | 16 | 9 |
| 2022 | 9 | 10 |
| 2023 | 9 | 13 |
| 2024 | 9 | 7 |
| 2025 | 13 | 6 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sleeve for securing a valve assembly6 Oct 2026US 12,753,857 B1Snf S.A.S.
- Backflow preventer anti-theft system and method18 Aug 2026US 12,710,109 B1
- Valve lockout27 Jan 2026US 12,535,151 B2Brady Worldwide, Inc.
- Safety knob assembly systems23 Dec 2025US 12,504,776 B2RangeSafe, LLC
- Segment isolating valve for pneumatic transport system2 Dec 2025US 12,485,933 B2Aerom Sistemas De Transporte SA
- A locking device for inflatable vehicles17 Sep 2026US 2026/0275765 A1
- Safety valve cap and safety valve2 Jul 2026US 2026/0185632 A1Smolsys AG
- Tank car outlet valve arrangement11 Jun 2026US 2026/0160357 A1A. Stucki Company
- Safety Knob Systems12 Mar 2026US 2026/0072465 A1RangeSafe, LLC
- Butterfly valve15 Jan 2026US 2026/0016092 A1Hayward Industries, Inc.
Most cited
By later US patents
- Valve lock543US 4,681,134 A1987
- Adjustable lockout device for knife gate valves530US 6,044,860 ASPX Corporation · 2000
- Lockout tagout for semiconductor vacuum valve500US 9,404,587 B2ASM IP Holding B. V. · 2016
- Hydrant lock64US 8,353,309 B12013
- Locking device for valves58US 5,806,555 ASpears Manfacturing Co. · 1998