F16P 3/08
In connection with the locking of doors, covers, guards, or like members
Official title: in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts
F16P3/08 (In connection with the locking of doors, covers, guards, or like members) appears on 325 US grants and 261 published applications in this corpus.
Search patents in F16P- Granted patents
- 325
- Published applications
- 261
- Assignees
- 218
- Inventors
- 648
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 8 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 2 |
| 2002 | 8 | 5 |
| 2003 | 5 | 4 |
| 2004 | 1 | 2 |
| 2005 | 4 | 9 |
| 2006 | 7 | 2 |
| 2007 | 1 | 6 |
| 2008 | 4 | 4 |
| 2009 | 4 | 6 |
| 2010 | 3 | 5 |
| 2011 | 5 | 7 |
| 2012 | 4 | 7 |
| 2013 | 4 | 14 |
| 2014 | 9 | 6 |
| 2015 | 9 | 12 |
| 2016 | 8 | 8 |
| 2017 | 7 | 11 |
| 2018 | 12 | 14 |
| 2019 | 12 | 23 |
| 2020 | 15 | 21 |
| 2021 | 15 | 14 |
| 2022 | 15 | 18 |
| 2023 | 13 | 14 |
| 2024 | 20 | 25 |
| 2025 | 15 | 15 |
| 2026 | 13 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bending machine and method for processing a workpiece by means of a bending machine6 Oct 2026US 12,752,333 B2EVOBEND GmbH
- Safety switch for guarding accesses28 Jul 2026US 12,692,980 B2Pizzato Elettrica S.R. L.
- Interface module with safety interlock system, storage medium, and safety verification method16 Jun 2026US 12,655,937 B2ASM IP Holding B. V.
- Safety switch with an electromagnetic lock mechanism16 Jun 2026US 12,658,394 B2Keyence Corporation
- Press cover anti-pinch device and apparatus having press cover9 Jun 2026US 12,650,203 B2Contemporary Amperex Technology (Hong Kong) Limited
- Safety interlock system for industrial machinery24 Sep 2026US 2026/0284673 A1Provisur Technologies, Inc.
- Control method for work machine, control system, and work machine16 Jul 2026US 2026/0201678 A1Yanmar Holdings Co., Ltd.
- Safety switch9 Jul 2026US 2026/0196430 A1Keyence Corporation
- Optoelectronic safety device, its method of operation and the safety system comprising that device2 Jul 2026US 2026/0185661 A1Armonia Srl
- Safety device and procedure26 Mar 2026US 2026/0086508 A1Pizzato Elettrica S.R. L.
Most cited
By later US patents
- Magnetic safety interlock for a food processor utilizing vertically oriented, quadrant coded magnets247US 4,629,131 ACuisinarts, Inc. · 1986
- Electrical and pneumatic lock-out device142US 6,268,574 B12001
- Power tool safety device138US 6,418,829 B12002
- Operation safety device for a portable power tool100US 5,184,534 ASamsung Electronics Co., Ltd. · 1993
- Magnetic safety interlock method and apparatus for food processor86US 4,371,118 ACuisinarts, Inc. · 1983