B21H 5/022
Finishing gear teeth with cylindrical outline
Official title: {Finishing gear teeth with cylindrical outline, e.g. burnishing}
B21H5/022 (Finishing gear teeth with cylindrical outline) appears on 78 US grants and 46 published applications in this corpus.
Search patents in B21H- Granted patents
- 78
- Published applications
- 46
- Assignees
- 46
- Inventors
- 124
- Latest grant
- 19 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 3 |
| 2003 | 2 | 2 |
| 2004 | 5 | 3 |
| 2005 | 0 | 2 |
| 2006 | 3 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 9 |
| 2009 | 0 | 4 |
| 2010 | 2 | 3 |
| 2011 | 3 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 2 |
| 2014 | 5 | 0 |
| 2015 | 2 | 2 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 0 |
| 2019 | 1 | 3 |
| 2020 | 0 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 3 | 1 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Gear-tooth system and shaft/hub connection component19 Sep 2023US 11,761,489 B2GKN Driveline Deutschland GmbH
- Scattered topography rolling of powered metal gears25 Jul 2023US 11,707,792 B2GM Global Technology Operations LLC
- Rolling device for rolling work pieces having a toothing, and associated method2 May 2023US 11,638,981 B2Ecoroll AG Werkzeugtechnik
- Method for manufacturing gear9 Aug 2022US 11,407,085 B2Toyota Jidosha Kabushiki Kaisha
- Method for manufacturing a gear19 Oct 2021US 11,148,187 B2Toyota Jidosha Kabushiki Kaisha
- Gear23 May 2024US 2024/0167555 A1Miba Sinter Austria GmbH
- Method And Device For Grinding Tooth Flanks Of The Teeth Of Toothed Workpieces, And Tool For Carrying Out The Method13 Jul 2023US 2023/0219153 A1Profilator GmbH & Co. KG
- Gear-tooth system and shaft/hub connection component28 Jul 2022US 2022/0235826 A1GKN Driveline Deutschland GmbH
- Scattered topography rolling of powered metal gears31 Mar 2022US 2022/0097159 A1GM Global Technology Operations LLC
- Method for manufacturing gear16 Apr 2020US 2020/0114491 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Apparatus and method for forming powder metal gears46US 6,517,772 B1Federal-Mogul World Wide, Inc. · 2003
- Gear wheels rolled from powder metal blanks and method of manufacture31US 5,711,187 AFormflo Limited · 1998
- Gear tooth smoothing and shaping process31US 6,170,156 B2General Motors Corporation · 2001
- Sintered metal body with at least one toothing25US 4,708,912 ASintermetallwerk Krebsoege GmgH · 1987
- Gears20US 5,729,822 AStackpole Limited · 1998