F16C 13/003
Bowed or curved rolls
Official title: {Bowed or curved rolls (rollers with a bowed axis as tentering devices for tensioning, smoothing or guiding webs B65H23/0258)}
F16C13/003 (Bowed or curved rolls) appears on 25 US grants and 18 published applications in this corpus.
Search patents in F16C- Granted patents
- 25
- Published applications
- 18
- Assignees
- 26
- Inventors
- 60
- Latest grant
- 30 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Wireline traversal device30 May 2023US 11,660,478 B1
- Charging roll25 Oct 2022US 11,480,886 B2Nok Corporation
- Roll device25 May 2021US 11,015,643 B2MWN in Nietern Maschinenfabrik GmbH
- Guide roller7 Jul 2020US 10,702,901 B2Aktiebolaget Skf
- Workpiece conveyance method and workpiece conveyance device13 Mar 2018US 9,914,590 B2Nippon Electric Glass Co., Ltd.
- System and method for mobile imaging20 Feb 2025US 2025/0057492 A1Medtronic Navigation, Inc.
- Vacuum-sealing device and vacuum chamber device21 Dec 2023US 2023/0405986 A1Sintokogio, Ltd.
- Thin hinge10 Aug 2023US 2023/0250846 A1Sinher Technology Inc.
- Charging roll10 Feb 2022US 2022/0043367 A1Nok Corporation
- Roller for a skating device9 Jan 2020US 2020/0009447 A1
Most cited
By later US patents
- Method and apparatus for curving glass sheets34US 4,226,608 AShatterproof Glass Corporation · 1980
- Bearing lubrication system for bowed rolls17US 3,951,480 AAlbany International Corp. · 1976
- Spreader roll17US 6,843,762 B2Spencer Johnston Company · 2005
- “Smart” bowed roll12US 6,554,754 B2Appleton International, Inc. · 2003
- Roll with an arched shaft10US 4,872,246 A1989