D21F 1/08
Regulating consistency
D21F1/08 (Regulating consistency) appears on 100 US grants and 40 published applications in this corpus.
Search patents in D21F- Granted patents
- 100
- Published applications
- 40
- Assignees
- 46
- Inventors
- 165
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 2 |
| 2002 | 9 | 5 |
| 2003 | 4 | 2 |
| 2004 | 2 | 2 |
| 2005 | 3 | 4 |
| 2006 | 2 | 2 |
| 2007 | 1 | 5 |
| 2008 | 1 | 2 |
| 2009 | 5 | 3 |
| 2010 | 3 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sheet manufacturing apparatus19 May 2026US 12,630,977 B2Seiko Epson Corporation
- Formed body producing method2 Jan 2024US 11,859,346 B2Seiko Epson Corporation
- Spacing-aware plant detection model for agricultural task control17 Jan 2023US 11,553,636 B1FarmWise Labs, Inc.
- Method of forming a three-layer board web and a forming section of forming a three-layer board web29 Nov 2022US 11,512,431 B2Valmet Technologies Oy
- Method of and an arrangement for adding at least one additional stock component to an approach flow system of a fiber web machine4 Oct 2022US 11,459,700 B2Valmet Technologies Oy
- Stretchable paper23 Jul 2026US 2026/0210057 A1Billerud Aktiebolag (publ)
- Spacing-aware plant detection model for agriculture task control23 Oct 2025US 2025/0327248 A1FarmWise Labs, Inc.
- Sheet manufacturing apparatus20 Mar 2025US 2025/0092603 A1Seiko Epson Corporation
- Formed body producing method29 Dec 2022US 2022/0412007 A1Seiko Epson Corporation
- Method of and an arrangement for adding at least one additional stock component to an approach flow system of a fiber web machine24 Jun 2021US 2021/0189650 A1Valmet Technologies Oy
Most cited
By later US patents
- Cross-direction actuator and control system with adaptive footprint58US 7,513,975 B2Honeywell International Inc. · 2009
- Method for regulating basis weight of paper or board in a paper or board machine51US 6,203,667 B1Neles Paper Automation Oy · 2001
- Process for controlling or regulating the basis weight of a paper or cardboard web51US 6,521,089 B1Voith Sulzer Papiertechnik Patent GmbH · 2003
- Method for producing paper50US 6,083,348 ABASF SE · 2000
- Introduction of fiber-free foam into, or near, a headbox during foam process web making39US 5,904,809 AAhlstrom Paper Group Oy · 1999