F16B 23/0046
Having one eccentric circular or polygonal recess or protrusion
Official title: {having one eccentric circular or polygonal recess or protrusion}
F16B23/0046 (Having one eccentric circular or polygonal recess or protrusion) appears on 20 US grants and 23 published applications in this corpus.
Search patents in F16B- Granted patents
- 20
- Published applications
- 23
- Assignees
- 15
- Inventors
- 38
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 4 |
| 2017 | 3 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-feed bit system29 Sep 2026US 12,747,749 B2Black & Decker Inc.
- Screw nail20 May 2025US 12,305,679 B2Max Co., Ltd.
- Flexible head fasteners6 Aug 2024US 12,055,173 B2Lockheed Martin Corporation
- Bolt and method of manufacturing the same10 Jan 2023US 11,549,544 B2Honda Motor Co., Ltd.
- Socket for driving asymmetric fastener heads28 Dec 2021US 11,207,761 B2
- Zero Gravity Fastener13 Nov 2025US 2025/0347310 A1
- Security fasteners22 May 2025US 2025/0163950 A1Ultra PCS Limited
- High torque transmission nut and driving tool therefor3 Apr 2025US 2025/0109765 A1Kwantex Research Inc.
- Spherical bit and fastener design28 Nov 2024US 2024/0391039 A1Rockwell Automation Technologies, Inc.
- Self-feed bit system18 Apr 2024US 2024/0125346 A1Black & Decker Inc.
Most cited
By later US patents
- Torque-setting, tamper-resistant fastener and method and tool for use with same115US 7,066,062 B22006
- Tamper-resistant fastener37US 4,258,596 ASouthco, Inc. · 1981
- Tamper resistant fastener and tool for operating same33US 4,018,111 A1977
- Anti-theft screw part for attaching a wheel rim to a motor vehicle9US 10,612,581 B2ABC Umformtechnik GmbH & Co. KG · 2020
- Locking system for vehicle wheels9US 5,803,690 A1998