B21K 1/28
Wheels
Official title: wheels; discs
B21K1/28 (Wheels) appears on 561 US grants and 425 published applications in this corpus.
Search patents in B21K- Granted patents
- 561
- Published applications
- 425
- Assignees
- 299
- Inventors
- 1,145
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 10 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 11 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 13 | 0 |
| 1986 | 10 | 0 |
| 1987 | 13 | 0 |
| 1988 | 5 | 0 |
| 1989 | 11 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 12 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 26 | 0 |
| 1999 | 19 | 0 |
| 2000 | 17 | 0 |
| 2001 | 13 | 10 |
| 2002 | 13 | 10 |
| 2003 | 7 | 12 |
| 2004 | 13 | 21 |
| 2005 | 5 | 18 |
| 2006 | 7 | 17 |
| 2007 | 8 | 27 |
| 2008 | 15 | 13 |
| 2009 | 12 | 14 |
| 2010 | 17 | 19 |
| 2011 | 8 | 17 |
| 2012 | 13 | 19 |
| 2013 | 11 | 17 |
| 2014 | 18 | 14 |
| 2015 | 15 | 21 |
| 2016 | 14 | 15 |
| 2017 | 13 | 18 |
| 2018 | 13 | 27 |
| 2019 | 11 | 20 |
| 2020 | 25 | 26 |
| 2021 | 19 | 19 |
| 2022 | 19 | 22 |
| 2023 | 18 | 14 |
| 2024 | 17 | 6 |
| 2025 | 9 | 6 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing a component which has a toothing profile, and tool device4 Aug 2026US 12,697,656 B2Schaeffler Technologies AG & Co. KG
- Method and system for processing aluminum alloy rims using rim serial numbers16 Jun 2026US 12,657,549 B2House of Metals Company Limited
- Equipment and method for forming a front toothing on an inner ring of a wheel hub12 May 2026US 12,623,273 B2Aktiebolaget Skf
- Method of manufacturing staking assembly, method of manufacturing hub unit bearing, staking device, staking assembly, and method of manufacturing vehicle10 Mar 2026US 12,569,902 B2Nsk Ltd.
- Variable diffusion carburizing method17 Feb 2026US 12,553,118 B2GKN Sinter Metals, LLC
- Method and system for processing aluminum alloy rims using rim serial numbers10 Sep 2026US 2026/0268270 A1House of Metals Company Limited
- Equipment and method for forming a front toothing on an inner ring of a wheel hub23 Jul 2026US 2026/0208259 A1
- Method and mold for cold extrusion forming of wheel hub18 Jun 2026US 2026/0166612 A1Ningbo J.B.J Intelligence Technology Co., Ltd.
- Method for producing a part made of a y/y' nickel-based alloy by hot forging7 Aug 2025US 2025/0250656 A1Aubert & Duval
- Device and method for producing a spur toothing17 Apr 2025US 2025/0121427 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Forged clearing wheel for agricultural residue94US 5,346,020 A1994
- Flexible shaft and method for manufacturing same91US 5,488,761 A1996
- Process for fabricating multi-alloy components80US 4,529,452 AUnited Technologies Corporation · 1985
- Precision closed-die forging method70US 4,433,568 AKabushiki Kaisha Wako · 1984
- Forging press and method68US 4,096,730 AUnited States Steel Corporation · 1978