B21B 35/143
Having slidably-interengaging teeth
Official title: {having slidably-interengaging teeth, e.g. gear-type couplings (universal joints with the coupling parts having slidably-interengaging teeth, in general, F16D3/18)}
B21B35/143 (Having slidably-interengaging teeth) appears on 28 US grants and 12 published applications in this corpus.
Search patents in B21B- Granted patents
- 28
- Published applications
- 12
- Assignees
- 18
- Inventors
- 55
- Latest grant
- 25 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
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| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
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| 2008 | 0 | 1 |
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| 2012 | 0 | 1 |
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| 2014 | 2 | 1 |
| 2015 | 0 | 4 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Device for transmitting a torque from a drive device onto a roller in a roll stand25 Aug 2020US 10,751,775 B2SMS group GmbH
- Journal receptacle for a wobbler connection and roll drive train comprising such a journal receptacle1 Oct 2019US 10,427,196 B2Voith Patent GmbH
- Toothing for operation at a deflection angle and production method29 Jan 2019US 10,190,642 B2SMS Siemag Aktiengesellschaft
- Modular finishing mill9 Aug 2016US 9,409,217 B2Primetals Technologies USA LLC
- Rolling mill drive comprising a toothed articulated spindle5 Jan 2016US 9,227,234 B2SMS group GmbH
- Rolling mill assembly for transmitting high torques5 Jun 2025US 2025/0178055 A1Voith Patent GmbH
- Gear spindle device for rolling mill, rolling mill facility, and method of cooling gear spindle device for rolling mill7 Dec 2023US 2023/0390816 A1Primetals Technologies Japan, Ltd.
- Rolling mill drive and associated gear spindle coupling30 Apr 2020US 2020/0130034 A1Xtek, Inc.
- Journal receptacle for a wobbler connection and roll drive train comprising such a journal receptacle6 Sep 2018US 2018/0250726 A1Voith Patent GmbH
- Device for transmitting a torque from a drive device onto a roller in a roll stand14 Jun 2018US 2018/0161838 A1SMS group GmbH
Most cited
By later US patents
- Telescopic drive spindle assembly23US 4,945,745 ADavy McKee (Sheffield) Limited · 1990
- Gear type coupling with overload protection14US 4,347,715 AKoppers Company, Inc. · 1982
- Connecting rod assembly for downhole drilling11US 4,976,655 AMud Motors, Inc. · 1990
- Automated changeover tube mill9US 5,461,896 AAbbey Etna Machine Company · 1995
- Mill stand8US 4,244,204 A1981