B23F 13/02
Making worms of cylindrical shape
B23F13/02 (Making worms of cylindrical shape) appears on 9 US grants and 13 published applications in this corpus.
Search patents in B23F- Granted patents
- 9
- Published applications
- 13
- Assignees
- 11
- Inventors
- 26
- Latest grant
- 19 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Worm gear machine19 Nov 2024US 12,145,208 B2Chongqing University
- Method for manufacturing gear4 Jun 2024US 11,998,973 B2Aisin Corporation
- Method for producing a workpiece provided with a toothing or profiling9 Aug 2022US 11,407,048 B2Kapp Niles GmbH & Co. KG
- Method for dressing of a grinding worm by means of a dressing roll and dressing roll13 Oct 2020US 10,800,001 B2Kapp Werkzeugmaschinen GmbH
- Method for dressing of a grinding worm by means of a dressing roll and dressing roll13 Oct 2020US 10,800,002 B2Kapp Werkzeugmaschinen GmbH
- Manufacturing method of gear12 Feb 2026US 2026/0042140 A1Aisin Corporation
- Apparatus and method for machining worm shaft of double enveloping worm gear11 Sep 2025US 2025/0281988 A1Khan Stn Co., Ltd.
- Method for manufacturing gear21 Sep 2023US 2023/0294160 A1Aisin Corporation
- Method for producing a rotor of a screw compressor or a workpiece with a helical profile20 Oct 2022US 2022/0331891 A1Kapp Niles GmbH & Co. KG
- Worm gear machine13 Oct 2022US 2022/0324043 A1Chongqing University
Most cited
By later US patents
- Method of cutting a worm screw and a worm screw obtained by the said method6US 4,683,785 AEquipements Automobiles Marchal · 1987
- Device for milling2US 5,516,240 A1996
- Forming method for milling threads of variable tooth worms2US 7,044,691 B2Tsubaki Emerson Gear (Tianjin) Co., Ltd. · 2006
- Method for producing a workpiece provided with a toothing or profiling1US 11,407,048 B2Kapp Niles GmbH & Co. KG · 2022