F16B 21/20
For bolts or shafts without holes, grooves, or notches for locking members
Official title: for bolts or shafts without holes, grooves, or notches for locking members {(by rings resilient in their plane F16B21/18)}
F16B21/20 (For bolts or shafts without holes, grooves, or notches for locking members) appears on 138 US grants and 97 published applications in this corpus.
Search patents in F16B- Granted patents
- 138
- Published applications
- 97
- Assignees
- 97
- Inventors
- 284
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 2 |
| 2003 | 1 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 3 | 4 |
| 2009 | 0 | 0 |
| 2010 | 3 | 4 |
| 2011 | 2 | 5 |
| 2012 | 5 | 7 |
| 2013 | 0 | 6 |
| 2014 | 3 | 10 |
| 2015 | 8 | 5 |
| 2016 | 8 | 1 |
| 2017 | 3 | 6 |
| 2018 | 3 | 7 |
| 2019 | 1 | 10 |
| 2020 | 6 | 4 |
| 2021 | 8 | 0 |
| 2022 | 4 | 4 |
| 2023 | 2 | 3 |
| 2024 | 3 | 5 |
| 2025 | 2 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Serviceable post retainer8 Sep 2026US 12,729,709 B2Illinois Tool Works Inc.
- Fixing device11 Aug 2026US 12,704,143 B2Deere & Company
- Ceiling mount for medical devices2 Jun 2026US 12,644,563 B2Amtrion GmbH
- Push-on fastener, assembly, and method of making and using the same19 Aug 2025US 12,392,369 B2Saint-Gobain Performance Plastics Pampus GmbH
- Fastening clip11 Feb 2025US 12,221,992 B2Illinois Tool Works Inc.
- Fastener assembly and method of assembly of the fastener assembly10 Apr 2025US 2025/0116288 A1Aptiv Technologies AG
- Clamp for securing roof-mounted equipment to a roof-mounted pedestal27 Mar 2025US 2025/0102007 A1Timothy M. Graboski Revocable Trust
- Serviceable Post Retainer21 Nov 2024US 2024/0384743 A1Illinois Tool Works Inc.
- Ceiling mount for medical devices14 Nov 2024US 2024/0377024 A1Amtrion GmbH
- Fixing device26 Sep 2024US 2024/0318681 A1Deere & Company
Most cited
By later US patents