F16H 25/2238
Using ball spacers, i.e. spacers separating the balls
Official title: {using ball spacers, i.e. spacers separating the balls, e.g. by forming a chain supporting the balls}
F16H25/2238 (Using ball spacers, i.e. spacers separating the balls) appears on 82 US grants and 85 published applications in this corpus.
Search patents in F16H- Granted patents
- 82
- Published applications
- 85
- Assignees
- 30
- Inventors
- 146
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 8 |
| 2003 | 7 | 16 |
| 2004 | 7 | 7 |
| 2005 | 4 | 6 |
| 2006 | 5 | 6 |
| 2007 | 8 | 4 |
| 2008 | 1 | 2 |
| 2009 | 2 | 1 |
| 2010 | 2 | 4 |
| 2011 | 1 | 6 |
| 2012 | 3 | 4 |
| 2013 | 1 | 1 |
| 2014 | 4 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 5 |
| 2019 | 4 | 2 |
| 2020 | 3 | 4 |
| 2021 | 5 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rolling device17 Feb 2026US 12,553,471 B2Nsk Ltd.
- Method and system for evaluating a maintenance requirement of a linear transmission device3 Jun 2025US 12,322,218 B2Hiwin Technologies Corp.
- Ball screw drive and method for operating a ball screw drive1 Oct 2024US 12,104,679 B2Schaeffler Technologies AG & Co. KG
- Ball screw apparatus21 Sep 2021US 11,125,308 B2Jtekt Corporation
- Ball screw device29 Jun 2021US 11,047,459 B2Jtekt Corporation
- Rolling device21 Nov 2024US 2024/0384759 A1Nsk Ltd.
- Method and system for evaluating a maintenance requirement of a linear transmission device7 Dec 2023US 2023/0394890 A1Hiwin Technologies Corp.
- Ball screw drive and method for operating a ball screw drive17 Aug 2023US 2023/0258249 A1Schaeffler Technologies AG & Co. KG
- Separator, Mechanical Element, Operation Guide Device And Manufacturing Apparatus25 Mar 2021US 2021/0087380 A1Kureha Gohsen Co., Ltd
- Ball screw device7 May 2020US 2020/0141475 A1Jtekt Corporation
Most cited
By later US patents
- Linear motion rolling guide unit56US 5,927,858 ANippon Thompson Co., Ltd. · 1999
- Solid-lubricated bearing assembly47US 5,066,145 ATribology Systems, Inc. · 1991
- Ball screw having spacers30US 6,176,149 B1Tsubaki Nakashima Co., Ltd. · 2001
- Ball screw having spacers28US 6,095,009 ATsubaki Nakashima Co., Ltd. · 2000
- Ball screw device and linear motion device28US 6,347,558 B1Nsk Ltd. · 2002