B21B 31/07
Adaptation of roll neck bearings
Official title: Adaptation of roll {neck} bearings (bearings in general F16C)
B21B31/07 (Adaptation of roll neck bearings) appears on 249 US grants and 129 published applications in this corpus.
Search patents in B21B- Granted patents
- 249
- Published applications
- 129
- Assignees
- 99
- Inventors
- 358
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 8 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 10 | 0 |
| 2001 | 5 | 2 |
| 2002 | 8 | 8 |
| 2003 | 9 | 8 |
| 2004 | 7 | 11 |
| 2005 | 8 | 8 |
| 2006 | 5 | 4 |
| 2007 | 2 | 8 |
| 2008 | 6 | 5 |
| 2009 | 5 | 6 |
| 2010 | 4 | 8 |
| 2011 | 5 | 6 |
| 2012 | 7 | 5 |
| 2013 | 4 | 4 |
| 2014 | 4 | 4 |
| 2015 | 7 | 5 |
| 2016 | 4 | 4 |
| 2017 | 2 | 2 |
| 2018 | 2 | 5 |
| 2019 | 2 | 6 |
| 2020 | 3 | 2 |
| 2021 | 4 | 5 |
| 2022 | 3 | 1 |
| 2023 | 2 | 2 |
| 2024 | 2 | 4 |
| 2025 | 2 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Seal assembly and roller10 Mar 2026US 12,571,473 B2Andritz Kuesters GmbH
- Monitoring system for monitoring parameters representative of operating conditions of an oil film bearing3 Mar 2026US 12,566,106 B2Danieli & C. Officine Meccaniche SpA
- Roller assembly7 Oct 2025US 12,434,285 B2SMS group GmbH
- Roll stand21 Jan 2025US 12,203,503 B2SMS group GmbH
- Roll stand18 Jun 2024US 12,011,749 B2Primetals Technologies Austria GmbH
- Rolling machine23 Apr 2026US 2026/0108928 A1Panasonic Intellectual Property Management Co., Ltd.
- Bearing temperature reduction through bushing modification12 Mar 2026US 2026/0071648 A1Primetals Technologies USA LLC
- Modular stand base for stands of a rolling mill20 Nov 2025US 2025/0353057 A1
- Bearing block assembly for calender rollers, systems and methods thereof13 Nov 2025US 2025/0346011 A1Tesla, Inc.
- Bearing temperature reduction through sleeve modification14 Aug 2025US 2025/0256316 A1Primetals Technologies USA LLC
Most cited
By later US patents
- Captured rotor seal45US 5,158,304 AInpro Companies, Inc. · 1992
- Hydrodynamic seal44US 4,770,548 AThe Timken Company · 1988
- Compact seal41US 4,799,808 AThe Timken Company · 1989
- Multirow roller bearing with seals between the races36US 4,692,040 AThe Torrington Company · 1987
- Envelope enhancement system for detecting paper machine press section anomalous vibration measurements36US 5,679,900 ASKF Condition Monitoring, Inc. · 1997