D21G 1/02
Rolls
Official title: Rolls; Their bearings (in general F16C13/00)
D21G1/02 (Rolls) appears on 628 US grants and 257 published applications in this corpus.
Search patents in D21G- Granted patents
- 628
- Published applications
- 257
- Assignees
- 180
- Inventors
- 787
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 12 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 10 | 0 |
| 1981 | 10 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 12 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 19 | 0 |
| 1988 | 18 | 0 |
| 1989 | 20 | 0 |
| 1990 | 14 | 0 |
| 1991 | 20 | 0 |
| 1992 | 27 | 0 |
| 1993 | 16 | 0 |
| 1994 | 12 | 0 |
| 1995 | 16 | 0 |
| 1996 | 16 | 0 |
| 1997 | 27 | 0 |
| 1998 | 30 | 0 |
| 1999 | 27 | 0 |
| 2000 | 23 | 0 |
| 2001 | 29 | 12 |
| 2002 | 37 | 34 |
| 2003 | 25 | 19 |
| 2004 | 29 | 18 |
| 2005 | 11 | 14 |
| 2006 | 14 | 10 |
| 2007 | 9 | 16 |
| 2008 | 3 | 11 |
| 2009 | 3 | 13 |
| 2010 | 8 | 13 |
| 2011 | 10 | 5 |
| 2012 | 7 | 2 |
| 2013 | 2 | 5 |
| 2014 | 6 | 7 |
| 2015 | 3 | 11 |
| 2016 | 5 | 7 |
| 2017 | 4 | 8 |
| 2018 | 5 | 6 |
| 2019 | 4 | 2 |
| 2020 | 8 | 7 |
| 2021 | 2 | 3 |
| 2022 | 7 | 11 |
| 2023 | 5 | 6 |
| 2024 | 5 | 8 |
| 2025 | 2 | 4 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Smoking rolling paper and a method for packaging the same29 Sep 2026US 12,745,793 B2
- Pneumatic zone-controlled deflection compensation for roll18 Aug 2026US 12,709,842 B2Aalto University Foundation sr
- Roll cover and roll30 Jun 2026US 12,668,922 B2Voith Patent GmbH
- Press cover for a shoe press or transport belt with improved hydrophobicity16 Jun 2026US 12,655,244 B2Voith Patent GmbH
- Method and device for producing or treating a web of fibrous material14 Apr 2026US 12,601,116 B2Voith Patent GmbH
- Collar for compressing sleeve on drum4 Jun 2026US 2026/0151982 A1Suominen Oyj
- A sleeve for a drum7 May 2026US 2026/0125836 A1Suominen Oyj
- Fiber body production apparatus and fiber body production method12 Mar 2026US 2026/0071383 A1Seiko Epson Corporation
- Method and device for in place calender roller dent inspection and repair12 Mar 2026US 2026/0071384 A1Tesla, Inc.
- Roller Having Heating Device, Printing Unit, Embossing Unit, and/or Rolling Mill Having Such a Roller and Method for Converting a Heating Device of a Roller22 Jan 2026US 2026/0021523 A1
Most cited
By later US patents
- Rolls of controllable flexure, especially for machines for the production and processing of webs of paper or plastic75US 4,233,011 AER-WE-PA Maschinenfabrik & Eisengiesserei · 1980
- Roll with induction heating arrangement61US 5,074,019 ASulzer-Escher Wyss GmbH · 1991
- Roll for use in calenders and the like58US 4,729,153 AKleinewefers GmbH · 1988
- Arrangement containing a controlled deflection roll and related regulator48US 4,509,237 AEscher Wyss Limited · 1985
- Roll for use in calenders and the like45US 4,757,584 AKleinewefers GmbH · 1988