F16B 41/00
Measures against loss of bolts, nuts, or pins
Official title: Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins ({locking of screws, bolts or nuts F16B39/00;} seals G09F3/00)
F16B41/00 (Measures against loss of bolts, nuts, or pins) appears on 1,182 US grants and 1,000 published applications in this corpus.
Search patents in F16B- Granted patents
- 1,182
- Published applications
- 1,000
- Assignees
- 693
- Inventors
- 2,123
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 9 | 0 |
| 1979 | 6 | 0 |
| 1980 | 11 | 0 |
| 1981 | 15 | 0 |
| 1982 | 10 | 0 |
| 1983 | 11 | 0 |
| 1984 | 16 | 0 |
| 1985 | 13 | 0 |
| 1986 | 20 | 0 |
| 1987 | 21 | 0 |
| 1988 | 29 | 0 |
| 1989 | 35 | 0 |
| 1990 | 36 | 0 |
| 1991 | 27 | 0 |
| 1992 | 20 | 0 |
| 1993 | 19 | 0 |
| 1994 | 13 | 0 |
| 1995 | 12 | 0 |
| 1996 | 10 | 0 |
| 1997 | 12 | 0 |
| 1998 | 15 | 0 |
| 1999 | 15 | 0 |
| 2000 | 28 | 0 |
| 2001 | 27 | 4 |
| 2002 | 14 | 18 |
| 2003 | 16 | 30 |
| 2004 | 24 | 37 |
| 2005 | 16 | 26 |
| 2006 | 17 | 25 |
| 2007 | 21 | 28 |
| 2008 | 16 | 37 |
| 2009 | 9 | 35 |
| 2010 | 18 | 30 |
| 2011 | 24 | 28 |
| 2012 | 23 | 33 |
| 2013 | 19 | 43 |
| 2014 | 37 | 54 |
| 2015 | 39 | 50 |
| 2016 | 41 | 59 |
| 2017 | 51 | 48 |
| 2018 | 37 | 52 |
| 2019 | 54 | 78 |
| 2020 | 45 | 53 |
| 2021 | 51 | 60 |
| 2022 | 38 | 45 |
| 2023 | 37 | 33 |
| 2024 | 49 | 40 |
| 2025 | 33 | 31 |
| 2026 | 9 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Captive screw22 Sep 2026US 12,742,471 B2Cooler Master Co., Ltd.
- Method and apparatus for securing a sawblade8 Sep 2026US 12,728,557 B2Woodpeckers, LLC
- Assembly locking device, a connecting bolt in combination with the assembly locking device, a component with a pre-installed connecting bolt by means of the assembly locking device as well as a manufacturing method for the assembly locking device and an assembly method of a connecting bolt with the assembly locking device within a component opening8 Sep 2026US 12,729,712 B2Bollhoff Otalu S.A.
- Kitchen appliance11 Aug 2026US 12,702,249 B2De' Longhi Braun Household GmbH
- Anti-theft locking bolt assembly28 Jul 2026US 12,692,897 B2Rimgard Sweden AB
- Apparatus for preventing bolt release and ice making machine including the same20 Aug 2026US 2026/0243296 A1BLUENIX Co., Ltd.
- Fastener assembly and connector device for interconnecting multiple objects13 Aug 2026US 2026/0235152 A1
- Fastener movement detection system13 Aug 2026US 2026/0235155 A1
- Anti-Tamper Securing Mechanism and Operation Method thereof23 Jul 2026US 2026/0214816 A1Nanning FuLian FuGui Precision Industrial Co., Ltd.
- Corner casting pin lock with a detachable locking member9 Jul 2026US 2026/0194043 A1BNSF Logistics, LLC
Most cited
By later US patents
- Fixation assembly for orthopedic applications507US 5,931,838 A1999
- Fastener including a screw and a supporting element203US 6,872,040 B2Kamax-Werke Rudolf Kellermann GmbH & Co. KG · 2005
- Tamper-evident bolt125US 5,449,260 A1995
- Torque-setting, tamper-resistant fastener and method and tool for use with same115US 7,066,062 B22006
- Mechanical roof fastener113US 4,744,187 AThe Firestone Tire & Rubber Company · 1988