F16C 33/44
Selection of substances
Official title: Selection of substances (F16C33/40, F16C33/41 take precedence)
F16C33/44 (Selection of substances) appears on 201 US grants and 182 published applications in this corpus.
Search patents in F16C- Granted patents
- 201
- Published applications
- 182
- Assignees
- 90
- Inventors
- 507
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 12 |
| 2003 | 8 | 5 |
| 2004 | 6 | 3 |
| 2005 | 4 | 3 |
| 2006 | 3 | 3 |
| 2007 | 1 | 5 |
| 2008 | 0 | 10 |
| 2009 | 4 | 8 |
| 2010 | 5 | 10 |
| 2011 | 5 | 11 |
| 2012 | 5 | 2 |
| 2013 | 4 | 9 |
| 2014 | 8 | 4 |
| 2015 | 9 | 8 |
| 2016 | 5 | 12 |
| 2017 | 7 | 15 |
| 2018 | 9 | 7 |
| 2019 | 10 | 8 |
| 2020 | 8 | 3 |
| 2021 | 5 | 5 |
| 2022 | 1 | 5 |
| 2023 | 6 | 6 |
| 2024 | 3 | 8 |
| 2025 | 3 | 18 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cage for rolling bearing and rolling bearing6 Oct 2026US 12,753,799 B2Japan Aerospace Exploration Agency
- Cage, rolling bearing, and method for molding cage23 Jun 2026US 12,663,043 B2Fukui Seiki Industry Co., Ltd.
- Bearing unit with retaining cage16 Jun 2026US 12,655,872 B2Aktiebolaget Skf
- Angular ball bearing19 May 2026US 12,631,216 B2Ntn Corporation
- Bearing element for a bearing unit, and bearing unit with an increased life5 May 2026US 12,618,439 B2Aktiebolaget Skf
- Sealed ball bearing and bearing device20 Aug 2026US 2026/0243307 A1Ntn Corporation
- Ball bearing with an outer ring-guided cage and an eccentric rotation device15 Jan 2026US 2026/0016049 A1Ntn Corporation
- Bearing with retainer18 Dec 2025US 2025/0382992 A1Nachi-Fujikoshi Corp.
- Composite material rolling-element bearing cage having high interlaminar cohesion and associated rolling-element bearing unit and method4 Dec 2025US 2025/0369478 A1
- Composite material rolling-element bearing cage and associated rolling-element bearing unit4 Dec 2025US 2025/0369479 A1
Most cited
By later US patents
- Ball and roller bearings and bearing components98US 5,067,826 A1991
- Ball and roller bearings and bearing components65US 5,284,394 A1994
- Composition having lubricity and product comprising the composition55US 6,569,816 B2Ntn Corporation · 2003
- Solid lubricant bearing53US 4,797,011 AMatsushita Electric Industrial Co., Ltd. · 1989
- Solid-lubricated bearing assembly47US 5,066,145 ATribology Systems, Inc. · 1991