D21H 1/00
Paper
Official title: {Paper; Cardboard (fibreboard D21J)}
D21H1/00 (Paper) appears on 41 US grants and 46 published applications in this corpus.
Search patents in D21H- Granted patents
- 41
- Published applications
- 46
- Assignees
- 19
- Inventors
- 61
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 3 |
| 2013 | 3 | 7 |
| 2014 | 6 | 4 |
| 2015 | 10 | 10 |
| 2016 | 5 | 5 |
| 2017 | 4 | 4 |
| 2018 | 4 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Surface enhanced pulp fibers at a substrate surface15 Jul 2025US 12,359,375 B2Domtar Paper Company, LLC
- Negative Poisson's ratio materials for energy absorption6 Aug 2024US 12,055,612 B2
- Light weight linerboard for corrugated board12 Mar 2024US 11,926,128 B2Stora Enso OYJ
- Scoring rule for forming a folding score on a sheet material11 Jul 2023US 11,697,262 B2Jonco Die Company, Inc.
- Surface enhanced pulp fibers at a substrate surface18 Oct 2022US 11,473,245 B2Domtar Paper Company, LLC
- Corrugated cardboard and a method for producing a corrugated cardboard20 Aug 2026US 2026/0243022 A1Jml Innovation AB
- Negative poisson's ratio materials for energy absorption24 Oct 2024US 2024/0353511 A1
- Negative poisson's ratio materials for energy absorption16 Nov 2023US 2023/0366960 A1
- Surface enhanced pulp fibers at a substrate surface2 Feb 2023US 2023/0035105 A1Domtar Paper Company, LLC
- Hemp paper cardboard cartons and corrugated boxes26 Jan 2023US 2023/0027137 A1
Most cited
By later US patents
- Belt-creped, variable local basis weight multi-ply sheet with cellulose microfiber prepared with perforated polymeric belt44US 8,540,846 B2Georgia-Pacific Consumer Products LP · 2013
- Multi-ply wiper/towel product with cellulosic microfibers44US 8,632,658 B2Georgia-Pacific Consumer Products LP · 2014
- Paper product having unique physical properties38US 9,034,144 B1The Procter & Gamble Company · 2015
- Paper product having unique physical properties34US 8,657,997 B2The Procter & Gamble Company · 2014
- Method of making a wiper/towel product with cellulosic microfibers30US 9,051,691 B2Georgia-Pacific Consumer Products LP · 2015