D21H 27/26
Characterised by the overlay sheet or the top layers of the structures
Official title: characterised by the overlay sheet or the top layers of the structures (decorative panels B44C5/04; wood grain effects B44F9/02)
D21H27/26 (Characterised by the overlay sheet or the top layers of the structures) appears on 231 US grants and 198 published applications in this corpus.
Search patents in D21H- Granted patents
- 231
- Published applications
- 198
- Assignees
- 142
- Inventors
- 491
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 12 | 0 |
| 1985 | 8 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 7 | 8 |
| 2003 | 8 | 15 |
| 2004 | 7 | 11 |
| 2005 | 4 | 8 |
| 2006 | 5 | 10 |
| 2007 | 5 | 14 |
| 2008 | 2 | 7 |
| 2009 | 2 | 7 |
| 2010 | 5 | 12 |
| 2011 | 2 | 9 |
| 2012 | 4 | 5 |
| 2013 | 12 | 6 |
| 2014 | 6 | 10 |
| 2015 | 7 | 15 |
| 2016 | 1 | 6 |
| 2017 | 4 | 4 |
| 2018 | 8 | 8 |
| 2019 | 4 | 3 |
| 2020 | 3 | 5 |
| 2021 | 6 | 8 |
| 2022 | 3 | 0 |
| 2023 | 3 | 7 |
| 2024 | 6 | 8 |
| 2025 | 3 | 7 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for manufacturing laminate, impregnated decorative paper and laminate obtained thereby25 Aug 2026US 12,715,206 B2Unilin BV
- Method for producing wet-running friction paper28 Jul 2026US 12,692,663 B2Schaeffler Technologies AG & Co. KG
- Method for manufacturing a laminate, an aminoplast resin catalyst used therein, and a laminate obtained thereby23 Dec 2025US 12,502,880 B2Unilin BV
- Stainable decorative board3 Jun 2025US 12,320,072 B2SWISS KRONO Tec AG
- Continuous processing of cellulose nanofibril sheets through conventional extrusion22 Apr 2025US 12,281,216 B2Purdue Research Foundation
- Wrapping material or packaging material20 Aug 2026US 2026/0240224 A1Tannpapier GmbH
- Method for Producing a Composite Material that is Free of Melamine-Formaldehyde Resin13 Aug 2026US 2026/0234869 A1Flooring Technologies Ltd.
- Coating material and oil-proof paper4 Jun 2026US 2026/0152657 A1Sustainable Carbohydrate Innovation Co., Ltd.
- Decorative paper, decorative board, and methods for producing decorative paper and decorative board26 Feb 2026US 2026/0054517 A1Toppan Holdings Inc.
- Aqueous Coating Compositions Having Excellent Storage Stability and Coatings Thereof Having Excellent Water Barrier Properties25 Dec 2025US 2025/0388776 A1Covestro (Netherlands) B.V.
Most cited
By later US patents
- Decorative thermosetting laminate143US 5,034,272 APerstorp AB · 1991
- Aesthetic surface layer116US 5,266,384 ANevamar Corporation · 1993
- Process for the production of a floor strip107US 6,517,935 B1Pergo (Europe) AB · 2003
- Textured laminate flooring106US 7,243,469 B2Columbia Insurance Company · 2007
- Abrasion-resistant laminate100US 4,430,375 ANevamar Corporation · 1984