D21F 7/02
Mechanical driving arrangements
D21F7/02 (Mechanical driving arrangements) appears on 44 US grants and 25 published applications in this corpus.
Search patents in D21F- Granted patents
- 44
- Published applications
- 25
- Assignees
- 31
- Inventors
- 92
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 4 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 2 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Machine for producing cardboard28 Jul 2026US 12,692,657 B2Renova S.R.L.
- Pulp molding production line and processing method thereof1 Apr 2025US 12,264,435 B2Shurcon Manufacturing, Inc.
- Pulp molding production line and processing method10 Sep 2024US 12,084,812 B2
- Reel editor for pre-print paper, sheet, and box manufacturing systems7 Nov 2023US 11,807,480 B2Georgia-Pacific Corrugated LLC
- Pulp molding production line and processing method thereof24 Jan 2023US 11,560,673 B2Be Green Packaging Co., Ltd.
- Sheet manufacturing apparatus23 Oct 2025US 2025/0327247 A1Seiko Epson Corporation
- Reel editor for pre-print paper, sheet, and box manufacturing systems9 May 2024US 2024/0150146 A1Georgia-Pacific Corrugated LLC
- Drive Arrangement and Drive Arrangement for a Twin-Wire Press14 Dec 2023US 2023/0399798 A1Andritz Inc.
- Machine for producing cardboard30 Nov 2023US 2023/0383466 A1Renova S.R.L.
- Pulp molding production line and processing method thereof5 Oct 2023US 2023/0313459 A1Be Green Packaging Co., Ltd.
Most cited
By later US patents
- Dry end of a machine for the production of a fiber web18US 5,311,672 AJ. M. Voith GmbH · 1994
- Drive unit for the reel-up of a paper machine or paper finishing machine15US 5,069,394 AValmet Corporation · 1991
- Machine for producing a continuous material web10US 6,116,156 AVoith Sulzer Papiermaschinen GmbH · 2000
- Single-tier drying section tailored for compensating stretching and shrinking of paper web9US 5,638,611 AVoith Sulzer Papiermaschinen GmbH · 1997
- Roll drive for paper machines and the like7US 4,103,565 AValmet Corporation · 1978