D21H 27/18
Paper- or board-based structures for surface covering
D21H27/18 (Paper- or board-based structures for surface covering) appears on 412 US grants and 427 published applications in this corpus.
Search patents in D21H- Granted patents
- 412
- Published applications
- 427
- Assignees
- 256
- Inventors
- 962
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 13 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 17 | 0 |
| 1985 | 10 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 9 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 4 |
| 2002 | 9 | 10 |
| 2003 | 9 | 22 |
| 2004 | 9 | 13 |
| 2005 | 5 | 16 |
| 2006 | 5 | 23 |
| 2007 | 9 | 23 |
| 2008 | 2 | 14 |
| 2009 | 2 | 14 |
| 2010 | 9 | 15 |
| 2011 | 6 | 21 |
| 2012 | 6 | 14 |
| 2013 | 24 | 18 |
| 2014 | 8 | 16 |
| 2015 | 18 | 34 |
| 2016 | 8 | 14 |
| 2017 | 11 | 15 |
| 2018 | 19 | 23 |
| 2019 | 9 | 17 |
| 2020 | 20 | 13 |
| 2021 | 17 | 16 |
| 2022 | 10 | 10 |
| 2023 | 7 | 13 |
| 2024 | 7 | 21 |
| 2025 | 11 | 20 |
| 2026 | 6 | 8 |
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
- Modified melamine-formaldehyde resin, a paper impregnated with a modified melamine-formaldehyde resin, a method for manufacturing a floor panel, and use of dicyandiamide as a modifier in a melamine-formaldehyde resin26 May 2026US 12,636,861 B2Unilin BV
- Board, method for manufacturing a board and a panel comprising such board material26 May 2026US 12,637,810 B2Unilin BV
- Method for producing a structuring agent for texturing an embossable material surface, in particular a resin-containing laminate surface, and structuring agent of this kind21 Apr 2026US 12,605,867 B2Fritz Egger GmbH & Co. OG
- 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.
- Biodegradable nonwoven sheets, a method of manufacturing the same and uses thereof6 Aug 2026US 2026/0223788 A1
- Decorative sheet, resin-impregnated decorative panel, and method for manufacturing resin-impregnated decorative panel16 Jul 2026US 2026/0200215 A1Dai Nippon Printing Co.Ltd.
- Coating material and oil-proof paper4 Jun 2026US 2026/0152657 A1Sustainable Carbohydrate Innovation Co., Ltd.
Most cited
By later US patents
- Substrate for wallboard joint tape and process for making same802US 10,106,932 B2International Paper Company · 2018
- Decorative thermosetting laminate143US 5,034,272 APerstorp AB · 1991
- Conductive laminate flooring134US 4,724,187 ANevamar Corporation · 1988
- Aesthetic surface layer116US 5,266,384 ANevamar Corporation · 1993
- Process for the production of a floor strip107US 6,517,935 B1Pergo (Europe) AB · 2003