D21B 1/18
In magazine-type machines
Official title: in magazine-type machines
D21B1/18 (In magazine-type machines) appears on 57 US grants and 17 published applications in this corpus.
Search patents in D21B- Granted patents
- 57
- Published applications
- 17
- Assignees
- 32
- Inventors
- 74
- Latest grant
- 13 Sep 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Steam evacuation in a pulp or fiber refiner13 Sep 2022US 11,440,017 B2Valmet Corporation
- Method for treating biomass and device for treating biomass2 Nov 2021US 11,162,216 B2Valmet Corporation
- Arrangement and system for a treatment process14 Aug 2018US 10,047,408 B2Valmet Corporation
- Feed screw arrangement27 Dec 2016US 9,528,222 B2Valmet Corporation
- Screw segment21 Jul 2015US 9,085,093 B2Toyota Jidosha Kabushiki Kaisha
- Process and fibre processing apparatus for the preparation of a pulp additive from a sugar beet starting material7 May 2026US 2026/0125851 A1SIMPLY BY NATURE GmbH
- Apparatus and Method of Defibrillating and/or Defibering Cellulose Fibres and/or Ligno-cellulosic Fibres26 Mar 2026US 2026/0085470 A1Zelfo Technology GmbH
- Processing of lignocellulosic biomass6 Apr 2023US 2023/0105345 A1Nova Pangaea Technologies (UK) Limited
- Biomass Processing20 Jan 2022US 2022/0018066 A1Earth's Renewable Energy LLC
- Steam Evacuation in a Pulp or Fiber Refiner26 Dec 2019US 2019/0388899 A1Valmet Corporation
Most cited
By later US patents
- Screw conveyor in pulp-making equipment17US 4,121,967 A1978
- Blocking slab for pulp grinder14US 4,595,150 AOy Tampella AB · 1986
- Sealing arrangement for a shutter of a pressure grinder12US 4,305,590 AOy Tampella AB · 1981
- Apparatus for the treatment of milling products11US 5,148,998 A1992
- Method for controlling a piston fed wood grinder10US 4,515,318 AKymi-Stromberg Oy · 1985