B21K 1/30
With gear-teeth
Official title: with gear-teeth
B21K1/30 (With gear-teeth) appears on 304 US grants and 236 published applications in this corpus.
Search patents in B21K- Granted patents
- 304
- Published applications
- 236
- Assignees
- 180
- Inventors
- 602
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 17 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 8 |
| 2002 | 8 | 7 |
| 2003 | 3 | 6 |
| 2004 | 8 | 15 |
| 2005 | 2 | 11 |
| 2006 | 6 | 9 |
| 2007 | 7 | 15 |
| 2008 | 11 | 10 |
| 2009 | 5 | 5 |
| 2010 | 13 | 13 |
| 2011 | 4 | 8 |
| 2012 | 8 | 11 |
| 2013 | 6 | 11 |
| 2014 | 9 | 9 |
| 2015 | 11 | 11 |
| 2016 | 9 | 8 |
| 2017 | 7 | 11 |
| 2018 | 6 | 16 |
| 2019 | 5 | 10 |
| 2020 | 14 | 8 |
| 2021 | 11 | 12 |
| 2022 | 9 | 8 |
| 2023 | 4 | 5 |
| 2024 | 5 | 4 |
| 2025 | 7 | 4 |
| 2026 | 3 | 1 |
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
- Equipment and method for forming a front toothing on an inner ring of a wheel hub12 May 2026US 12,623,273 B2Aktiebolaget Skf
- Variable diffusion carburizing method17 Feb 2026US 12,553,118 B2GKN Sinter Metals, LLC
- Differential bevel gear, bevel gear differential and method for producing a differential bevel gear using forming technology9 Dec 2025US 12,492,743 B2Hirschvogel Holding GmbH
- Device and method for producing a spur toothing30 Sep 2025US 12,427,565 B2Schaeffler Technologies AG & Co. KG
- Equipment and method for forming a front toothing on an inner ring of a wheel hub23 Jul 2026US 2026/0208259 A1
- Device and method for producing a spur toothing17 Apr 2025US 2025/0121427 A1Schaeffler Technologies AG & Co. KG
- Method of forming a splined component13 Mar 2025US 2025/0083210 A1MAGNA Powertrain AG & Co KG
- Gear Train Component, Planetary Gear Train, Actuating Drive, Use and Method for Producing an Actuating Drive13 Feb 2025US 2025/0052311 A1Oechsler Aktiengesellschaft
- Differential bevel gear, bevel gear differential and method for producing a differential bevel gear using forming technology2 Jan 2025US 2025/0003474 A1Hirschvogel Holding GmbH
Most cited
By later US patents
- Flexible shaft and method for manufacturing same91US 5,488,761 A1996
- Precision closed-die forging method70US 4,433,568 AKabushiki Kaisha Wako · 1984
- Method and apparatus for producing a stepped hollow article53US 4,580,431 AHitachi, Ltd. · 1986
- Toothed wheel for use in automobiles and its manufacturing method42US 5,310,432 AKubota Iron Works Co., Ltd. · 1994
- Powder compacting apparatus and method of forming helical gear wheel using said powder compacting apparatus36US 6,156,265 ASumitomo Electric Industries, Ltd. · 2000