B23G 9/001
Working screws
Official title: {Working screws}
B23G9/001 (Working screws) appears on 35 US grants and 38 published applications in this corpus.
Search patents in B23G- Granted patents
- 35
- Published applications
- 38
- Assignees
- 30
- Inventors
- 70
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 5 |
| 2013 | 2 | 3 |
| 2014 | 5 | 3 |
| 2015 | 3 | 3 |
| 2016 | 2 | 0 |
| 2017 | 3 | 3 |
| 2018 | 1 | 6 |
| 2019 | 2 | 1 |
| 2020 | 5 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 4 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Machining device, machining method and cutting tool24 Jun 2025US 12,337,402 B2Citizen Machinery Co., Ltd.
- Fastener compatible with helical toothed driver23 Feb 2021US 10,926,384 B2
- Helical toothed driver and compatible fastener22 Sep 2020US 10,780,559 B2
- Rotational cutting tool for trimming workpiece8 Sep 2020US 10,766,074 B2Hong Ann Tool Industries Co., Ltd.
- High-strength screw including an unhardened thread end26 May 2020US 10,662,993 B2KAMAX Holding GmbH & Co. KG
- Deburring external chamfer tool with cutting insert mounting structure4 Jun 2026US 2026/0151834 A1Hong Ann Tool Industries Co., Ltd.
- Enhanced devices, systems, and methods for manufacturing undercut threadforms on fasteners25 Sep 2025US 2025/0296167 A1RTG Scientific, LLC
- Connecting element, method for producing a connecting element and crash management system19 Dec 2024US 2024/0416857 A1Constellium Singen GmbH
- Method for manufacturing a micromechanical fastening element, shaping tool for producing an impression of the micromechanical fastening element, and micromechanical fastening element15 Aug 2024US 2024/0269795 A1Nivarox-FAR S. A.
- Tool and fastener with overhang structures to reduce stripping11 Apr 2024US 2024/0117834 A1Phillips Screw Company
Most cited
By later US patents
- Hole forming apparatus13US 6,179,718 B2L & M Machining and Manufacturing, Inc. · 2001
- Fastener sorting apparatus12US 6,089,985 AL & M Machining and Manufacturing, Inc. · 2000
- Cutting tool for trimming workpiece12US 9,821,393 B22017
- Bone screw and method for manufacturing the same8US 8,801,762 B2Medical Facets LLC · 2014
- Fastener with multilobular tool engaging portion8US 9,261,127 B2ITW Construction Products ApS · 2016