B29L 2031/04
Bearings
B29L2031/04 (Bearings) appears on 179 US grants and 130 published applications in this corpus.
Search patents in B29L- Granted patents
- 179
- Published applications
- 130
- Assignees
- 131
- Inventors
- 388
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 5 |
| 2002 | 5 | 1 |
| 2003 | 5 | 2 |
| 2004 | 2 | 3 |
| 2005 | 2 | 6 |
| 2006 | 0 | 1 |
| 2007 | 1 | 3 |
| 2008 | 3 | 8 |
| 2009 | 0 | 6 |
| 2010 | 3 | 2 |
| 2011 | 4 | 5 |
| 2012 | 4 | 7 |
| 2013 | 5 | 5 |
| 2014 | 2 | 2 |
| 2015 | 2 | 5 |
| 2016 | 4 | 11 |
| 2017 | 7 | 13 |
| 2018 | 6 | 8 |
| 2019 | 7 | 8 |
| 2020 | 5 | 4 |
| 2021 | 5 | 4 |
| 2022 | 3 | 8 |
| 2023 | 3 | 3 |
| 2024 | 6 | 5 |
| 2025 | 3 | 1 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rotary connecting structure and rotary coupler26 May 2026US 12,638,038 B2YKK Corporation
- Method for producing composite material molded article, method for producing retainer and rolling bearing, and method for producing gearbox constituent component12 May 2026US 12,623,414 B2Nsk Ltd.
- Channeled hardfacing wear protection incorporating matrix composite and hard elements14 Apr 2026US 12,599,963 B2Innovative Mechanical Solutions, LLC
- Process to manufacture a discreet orifice air bearing10 Mar 2026US 12,570,027 B2
- Cage and ball bearing14 Oct 2025US 12,442,415 B2Ntn Corporation
- Channeled hardfacing wear protection incorporating matrix composite and hard elements20 Aug 2026US 2026/0241449 A1Innovative Mechanical Solutions, LLC
- Method for manufacturing a molded functional part28 May 2026US 2026/0145398 A1Sumitomo Riko Company Limited
- Hydraulic bearing and process for manufacturing a hydraulic bearing19 Mar 2026US 2026/0078801 A1Sumitomo Riko Company Limited
- Bushing for heavy-duty vehicle axle/suspension systems22 Jan 2026US 2026/0022736 A1Hendrickson USA, L L C
- Cage, rolling bearing, and method for molding cage20 Nov 2025US 2025/0354582 A1Fukui Seiki Industry Co., Ltd.
Most cited
By later US patents
- Method for manufacturing bearings or other anti-friction elements formed of lubricant contained polyacetal67US 4,100,245 AOiles Kogyo Kabushiki Kaisha · 1978
- Resin molded article65US 6,702,469 B1Canon Kabushiki Kaisha · 2004
- Structural bearing element41US 5,120,279 AINA Walzlager Schaeffler KG · 1992
- Bearing arrangement having a polyimide graphite-fiber reinforced composite embedded therein35US 5,549,394 AHycomp, Inc. · 1996
- Process for preparing a fiber reinforced resin matrix preform31US 4,846,908 AE. I. Du Pont de Nemours and Company · 1989