G01N 33/343
Paper pulp
Official title: {Paper pulp}
G01N33/343 (Paper pulp) appears on 179 US grants and 103 published applications in this corpus.
Search patents in G01N- Granted patents
- 179
- Published applications
- 103
- Assignees
- 115
- Inventors
- 366
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 9 | 0 |
| 1995 | 1 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 1 |
| 2002 | 4 | 4 |
| 2003 | 4 | 7 |
| 2004 | 5 | 8 |
| 2005 | 4 | 7 |
| 2006 | 1 | 5 |
| 2007 | 4 | 3 |
| 2008 | 6 | 9 |
| 2009 | 7 | 6 |
| 2010 | 3 | 4 |
| 2011 | 2 | 2 |
| 2012 | 2 | 2 |
| 2013 | 2 | 5 |
| 2014 | 1 | 3 |
| 2015 | 3 | 2 |
| 2016 | 4 | 7 |
| 2017 | 1 | 3 |
| 2018 | 5 | 5 |
| 2019 | 6 | 3 |
| 2020 | 2 | 5 |
| 2021 | 3 | 3 |
| 2022 | 0 | 3 |
| 2023 | 2 | 0 |
| 2024 | 6 | 4 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Determination of a property of a fiber suspension28 Jul 2026US 12,692,656 B2Btg Instruments AB
- Method for detecting a liquid composition applied onto a cellulose blank structure with a detection system and a detection system10 Mar 2026US 12,571,728 B2PulPac AB
- Method and system for determination of starch in a sample17 Jun 2025US 12,332,174 B2Kemira Oyj
- Online method to determine quality standards for incoming wood chips to a papermill25 Mar 2025US 12,259,336 B2Event Capture Systems, Inc.
- Estimating risk level in an aqueous process24 Dec 2024US 12,174,612 B2Kemira Oyj
- Systems and methods for monitoring reject streams from fiber processing units5 Feb 2026US 2026/0035859 A1Kadant Black Clawson LLC
- Method and apparatus for determining properties of containers made of paper or cardboard20 Mar 2025US 2025/0093289 A1Krones AG
- A method for chemical pulp production in a multi-stage process12 Dec 2024US 2024/0410109 A1Andritz Inc.
- Method for estimating the vapor phase corrosion load14 Nov 2024US 2024/0377312 A1Kemira Oyj
- Method for detecting a liquid composition applied onto a cellulose blank structure with a detection system and a detection system1 Aug 2024US 2024/0255422 A1PulPac AB
Most cited
By later US patents
- Method and equipment for controlling properties of paper66US 6,319,362 B1Metso Paper Automation Oy · 2001
- Measurement of paper pulp and fiber visual characteristics55US 5,786,894 AInternational Paper Company · 1998
- Apparatus and method for providing a flow measurement compensated for entrained gas52US 7,165,464 B2CiDRA Corporation · 2007
- Apparatus and method for providing a flow measurement compensated for entrained gas44US 7,367,240 B2CiDRA Corporation · 2008
- Method of monitoring surface associated microbiological activity in process streams40US 7,949,432 B2Nalco Company · 2011