D21H 23/46
Pouring or allowing the fluid to flow in a continuous stream on
Official title: Pouring or allowing the fluid to flow in a continuous stream on to the surface, the entire stream being carried away by the paper (D21H23/66 takes precedence)
D21H23/46 (Pouring or allowing the fluid to flow in a continuous stream on) appears on 190 US grants and 178 published applications in this corpus.
Search patents in D21H- Granted patents
- 190
- Published applications
- 178
- Assignees
- 129
- Inventors
- 469
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 2 |
| 2002 | 8 | 6 |
| 2003 | 9 | 10 |
| 2004 | 5 | 14 |
| 2005 | 1 | 11 |
| 2006 | 2 | 10 |
| 2007 | 5 | 8 |
| 2008 | 3 | 10 |
| 2009 | 4 | 4 |
| 2010 | 5 | 14 |
| 2011 | 6 | 3 |
| 2012 | 2 | 2 |
| 2013 | 6 | 3 |
| 2014 | 2 | 7 |
| 2015 | 1 | 4 |
| 2016 | 1 | 7 |
| 2017 | 8 | 3 |
| 2018 | 6 | 5 |
| 2019 | 5 | 4 |
| 2020 | 2 | 10 |
| 2021 | 3 | 4 |
| 2022 | 6 | 9 |
| 2023 | 5 | 12 |
| 2024 | 3 | 8 |
| 2025 | 6 | 3 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polylactide formulation for improved extrusion processing6 Oct 2026US 12,753,555 B2WestRock MWV, LLC
- Coated paper18 Aug 2026US 12,709,844 B2Koehler Innovation & Technology GmbH
- Electrically conductive smart papers7 Jul 2026US 12,674,279 B2University of Washington
- Method for manufacturing a barrier film comprising highly refined cellulose12 May 2026US 12,624,501 B2Stora Enso OYJ
- Polypropylene coated paper and paperboard3 Feb 2026US 12,540,439 B2Stora Enso OYJ
- A method of manufacturing a multi-layer material6 Aug 2026US 2026/0225361 A1Philip Morris Products S. A.
- Bio-based composites as water vapor barrier on paper21 May 2026US 2026/0138799 A1Koehler Innovation & Technology GmbH
- Biodegradable polymer blend and use thereof23 Apr 2026US 2026/0109876 A1BASF SE
- Application device and method for coating a fibrous material web8 Jan 2026US 2026/0009184 A1Voith Patent GmbH
- Application device and method for coating a fibrous material web8 Jan 2026US 2026/0009187 A1Voith Patent GmbH
Most cited
By later US patents
- Methods and apparatus for applying adhesives in patterns to an advancing substrate240US 8,186,296 B2The Procter & Gamble Company · 2012
- Coating grade polylactide and coated paper, preparation and uses thereof, and articles prepared therefrom80US 6,183,814 B2Cargill, Incorporated · 2001
- Three dimensional macroscopic assemblages of randomly oriented carbon fibrils and composites containing same76US 5,691,054 AHyperion Catalysis Int'l., Inc. · 1997
- Method and apparatus for coating substrates using an air knife51US 5,505,995 AMinnesota Mining and Manufacturing Company · 1996
- Coated substrate having high MVTR50US 6,133,168 AK2, Inc. · 2000